Workshop Manual Chassis Supplement Mitsubishi 3000 GT 1997 Euro

7/28/2019 Workshop Manual Chassis Supplement Mitsubishi 3000 GT 1997 Euro

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0^^,MITSUBISHIMOIORS

Workshop qnuqlchossisSUPPTEMENT

3ClCloGiT'97/

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Pub. o.PWUE9I9-F


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v MITSUBISHI3000GiTWORKSHOPMANUALSUPPLEMENT

FOREWORD,r , ThisWorkshopManual ontains roceduresor\ / remova l ,d isassemb ly ,nspect ion ,ad jus tment ,reassemb ly nd ins ta l la t ion ,t c . o r se rv icemechanics.Use he ollowing anualsn combinationith hismanual s required.

TECHNICALNFORMATIONANUALPYUE92O1WORKSHOPANUALCHASSIS ROUP

General EIEEE

FuelServiceBrakesSupplementalSystem SRS)Restraint

ENGINE ROUPELECTRICALIRING

PARTS ATALOGUE

PWUE9119(Loose-leaf dition)PWUE9119-E(Supplement)PWEEN!trN(Loose-leaf dition)PHUE92O1(Loose-leaf dition)PHUE92O1-D(Supplement)PHUE92O1.E(Supplement)8608K4onAn8608K454Atr8608K406An8608K407An

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All nformation,llustrationsnd product escrip-tions ontainedn hismanual recurrent s at thetimeof publication. e,however,eservehe rightto make hanges t any imewithout riornotice robligation.

v o Mitsubishi Motors Corporation July 1996


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WARNINGSEGARDINGFSUPPLEMENTALESTRAINTYSTEM(sRs)EQUTPPEDEHTCLESWARNING!(1) lmproper erviceor maintenance Jany component f the SRS,or any SRS-relatedomponent,can ead o personal niuryor death_to_serviceersonnel from nadvertentiringof the ir Uagl

or to the driver from enderinghe SRS noperative).(2) lt it is possible hat he SRScomponents resubjectedo heatover93"C 200'F)n bakingor indryingafterpainting, emove he SRScomponentsai rbag module,SRS-ECU)eforehand.(3) Serviceor maintenance J any SRScomponent r SRS-relatedomponentmust be performedonlyat an authorizedMITSUBISHIealer.(4) MITSUBISHIealerpersonnelmust thoroughly eview his manual,and especially ts GROUp528 - Supplemental estraintSystem SRS), eforebeginningany serviceor maintenance fany component f the SRSor any SRS-relatedomponent.

lJ-


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GENERAL Vehicledentification 00-1v GROUPOOGENERAL

VEHICLEDENTI ICATIONMODELS

AsiaJapanMITSUBISHIA - For Europe, ighthanddriveB - For Europe, eft handdriveBodystyleM - 2-doorhatchbackTransmissionypeN - 5-speedmanual ransmissionJ - 6-speedmanual ransmissionDevelopment rder216 2,972m I (Fu l l ime4WD)

CHASSIS UMBERThe chassisnumber s stampedon the toeboard nside heengine ompartment.

000001 AT107. SortA - Passengerar8. Model earP-1993R-1994s-1995T - 1996v-1997L PlantY - OheMotorVehicleWorks10.Serial umber

A JMBMJ216A PYTTT-tTTTT_t12 3 4 5 6 7 I I1.2 .3.

4.5 .6 .

Modelcode Enginemodel Transmission odel Fuel upply ystemZl6AMJGFL6 6G72(2 ,972m/ ) W6MG1 M PIZl6AMJGFR6

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00-2 GENERAL MajorSpecificationsMAJORSPECIFICATIONS

ooFoo64Dimensions

I tems Zl6AMJGFL6 Zl6AMJGFR6Overal lengthmm (in.) o 4,570 179.9) 4,570 179.9)Overal lwidth m (in.) @ 1,84O72.4\ 1,84O72.4)Overall eight unladen)mm (in.) @ 1,285 50.6) 1,285 50.6)Wheelbase m (in.) @ 2,470 97.2) 2,470 97.2)Track-front m (in.) !9 1 ,560 61 .4 ) 1 ,560 61 .4 )Track-rear m (in.) @ 1,580 62.2) 1,580 62.2)Ground learanceunladen)mm (in.) ) 140 5.5) 140 5.5)Overhang-front m (in.) @ 1,030 40.6) 1,030 40.6)Overhang-rear m (in.) o 1 ,070 42 .1 ) 1 ,070 42 .1 )Angleof approach egrees @ 1 1 . 0 " 1 1 . 0 'Angleof departure egrees o 17 .6 ' 17.6'

WeightItems Zl64MJGFL6 Z.I64MJGFR6Kerbweight g (lbs.) 1,730 3,858) 1,730 3,858)Gross ehicleweight g (lbs.) 2,120 4,674) 2,120 4,674)Max.axleweight g ( lbs.) f ront 1 ,1502 ,535) 1,150 2,535)

rear 1,O202,249) 1,02O2,249)Seating apacity

I tems Zl64MJGFL6 Z16AMJGFR6Seatingcapacity 4 4

EngineItems Z16AMJGFL6 Zl6AMJGFR6Model 6G72 6G72Totaldisplacementm I 2,972 2,972

TransmissionI tems Z16AMJGFL6 Z16AMJGFR6Model W6MG1 W6MG1Type 6-soeedmanual 6-soeedmanual

LL


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13-1

FUELCONTENTS

GENERAL . . . . . .2O u t l i n efC h a n g e . . . . . . . . . . . . . 2

SPEC|F|CATTONS ... . . . . . . . . .2Genera l pec i f i ca t ions. . . . . . . . . . . . . . . . . . . . . . . .2

ON.VEHICLENSPECTION F MPIcoMPoNENTS... . . . . . . . . . . .3Power upp ly nd gn i t ion w i tch- lG. . . . . . . . . . . . . . . . . . . .F u e lP u m p . . . . . . . . . . . . . . . . . . . . . .


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13-2 FUEL - General/SpecifcationsGENERALOUTLINE FCHANGEThemaintenanceervice oints elow avebeenestablishedo correspondo theseparationf he enginecontrolelay nd uelpump ontrolelaywhichwerepreviouslyntegrated.

SPECIFICATIONSGENERAL PECIFICATIONS

J

v

Items SpecificationsEnginecontrolunit

ldentificationmodelNo. Vehicleswithoutimmobilizer ystem E2T61379 L.H.drive ehicles>E2T61380 R.H.drive ehicles>Vehicleswith mmobilizersystem E2T61383 L.H.drivevehicles>E2T61384 R.H.drivevehicles>

o


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FUEL- On-vehiclenspection f MPIComponents 13-3y oN-vEHtcLENSpECTtONFMptCOMPONENTS

POWER UPPLY ND GNITION WITCH.IG

Engine ontroluni t

9FU0l0l

Batteryrlrlrlrlrl lgnition witch G]

YVV-j- -J-, Ll$ i l : ; l lG; ;p i ; l H-\trVIA?V-ilri? F U 1 9 4 3

Engineontrol nit


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13-4 FUEL- On-vehiclenspection f MPIComponents

Repair heharness.(lgnitionswitch ozor check heignitionswitch

Measurehe gnition witch lG) erminalinput oltage.o Engine ontrol nitconnector:Disconnected

lgnition witch Voltage V)OFF 0 - 1ON SV

? F U t 9 2 8

Measure he powersupplyvoltageof thecontrol elay.o lgnition witch:OF Fo Control elay onnector:Disconnected

Voltage V)SV

Repairheharness.(Battery@ s )(Battery@ a )Check or an open-circuit,r a short-circuitto earth,between he enginecontrolunit andthe control elay.o Engine ontrol nitconnector:Disconnectedo Control elayconnector:Disconnected Repair heharness.( @ z - o a ;(@ - rz ,25)

Malfunctionof controlrelayorenginecontrol nit? F U 1 9 3 0

Measurepowervoltage o the actuator.o Control elayconnector:Connected. Engine ontrol nitconnector:Connected

Engine Voltage V)Cranking 8V or higherRacing SV

CONTROLRELAY NSPECTION

? F U 1 9 3 1

(1) Checkorcontinuityetween ontrolelay erminals.Batteryvoltage Terminal o.1 2 3 4Notsupplied C ---cSuppl ied C- --{

----@o-(2 ) Replace he control elay f faulty.


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FUEL On-vehiclenspection f MPIGomponents 13-5FUELPUMP

)-t

\ \


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1,3-6 FUEL On-vehiclenspection f MPIComponentslgnit ion witch Gl

Resistor(for ue lpump)-N/-t@tO Equipmentconnector

IFuelpumprelayNo.1

@ Equipmentsideconnector @ Harness ideconnectorquipmentconnector-g-lmll l t a t lFuel umprelayNo.2

@ Equipment id econneclor ,

Engine ontrol ni t 8 or 22 *

NOTE-:Vehiclesith mmobil izerystem.

O Fuel umpcheckerminal

? F U 2 0 3 ?

9FU0l0l

Engine ontrol ni tconnector


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FUEL- On-vehiclenspection f MPIComponents 13-7HARNESS NSPECTION

Check he uel pump.o Applybatteryvoltage o the checkingterminal ndoperate he pump.

l-Y-ll-X-lL____\z_JCheck heearthcircuit f the uelpump.o Fuelpumpconnector:Disconnected

Repairhenarness.( @ z -Earth)

I-\-----ll ; \ ---=: lto loFI Check or continuity etween he fuel pumpand hecheckingerminal.o Connector:Disconnected Repair he

narness.( @ t -O r)

o

TCheck or continuity etween he checkingterminal nd he uelpump elayNo.2,andbetween he resistor for uel pump).o Fuelpump relayNo.2connector:Disconnectedo Resistor for uel pump)connector:Disconnectedr Fuelpumpconnector:Disconnected

Repair heharness.( O t -@ z)(Oz-O z)

Check or an open-circuit, r a short-circuitto earth,between he fuel pump relayNo.2and he engine ontrol nlt.o Fuelpump relayNo.2connector:Disconnectedo Engine ontrol ni tconnector:DisconnectedRepairheharness.( @ r - z r ;


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FUEL- On-vehiclenspection f MPIComponents r

Repairhenarness.( O + -@ r )

Check or continuity etweenhe uelpumprelayNo.2and he resistor fo r ue lpump)'o Fuelpump elayNo.2connector:Disconnectedo Resistor fo r uel pump)connector:Disconnected

Repair henarness.(lgnitionswitch@ e + ) o rcheck heignit ionwitch.

Measure he powersupplyvoltageof thefuelpump elayNo.1.o Fuelpump elayNo.1connector:Disconnected

lgnit ion witch Voltage V)OFF 0ON SV

? F U 1 9 2 8

,Check or an open-circuit,r a short-circuilto earthbetween he fuelpumprelayNo.1an d heengine ontrol nit.o Control elayconnector:Disconnectedo Engine ontrol ni tconnector:Disconnected Repair heharness.

( @ z - sor zz)

Repairhenarness.( @ t -@ s )( @ r -O s)

Check or continuity etween he controlrelayNo.1and he control elayNo.2.. Control elayNo.'lconnector:Disconnectedo Control elayNo.2connector:Disconnected

? F U 2 0 3 8

Repairhenarness.( @ r -O z )

Check or an open-circuit,r a short-circuitto earth, etweenhe ue lpump elayNo'2an d he uelpumP.r Fuelpump elayNo.2connector:Disconnectedo Fuelpumpconnector:Disconnected

tFtI-E-lt ____v__J

t,


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FUEL On-vehiclenspection f MPIComponents 13-9

? F U 1 9 3 1

FUELPUMPRELAY o.1 NSPECTTON(1) Check o r con t inu i ty e tweenuel pump e layNo.1terminals.

Batteryvoltage Terminal o.1 2 3 4Not upplied a)Suppl ied 1-)

@--(2) Replacehe uelpump elayNo.1 f autty.


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35-1

SERVICEBRAKESCONTENTS

SERVICEDJUSTMENTROCEDURES... . , .20ABSOperationheck .....20Valve elay ndMotor elay heck ABS>.......21

HYDRAULIC NIT . . . . . . . . . .21G SENSOR .. . . . . . . . . . . . . . . . . . .2

(L,


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35-2 SERVICEBRAKES- General/Servicepecification/SpecialoolsGENERALOUTLINE FCHANGES. The hydraulic nithas beenmademore ightweight nd compact.. The ABSvalve elayand he ABS motor elayhavebeenseparatedrom he hydraulic nit.o TheG-sensor nd heABS-ECU avebeenchanged.

(

SERVICE PECIFICATIONItems Standard alueHydraulic nitsolenoid alve nternal esistance OUT 4.04 4.54

I N 8.04 9.04Resistance etween peedsensorerminals O 1 . 4 1 . 8G-sensor utput oltage V When nstal led 2 . 4 2 . 6

Whenremovedwitharrowmark acinodown 3.4 3 .6

SPECIAL OOLSTool Number Name Use

MB991529 ABS checkharness Forchecking f ABS (Diagnosisode displaywhenusing heABSwarningamp)

M8991638 ABS checknarness Forcheckino f ABS

M8991348 Test harness et Forchecking f G-sensor

(L


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SERVICEBRAKES ABSTroubteshooting 35-3ABSTROUBLESHOOTTNGSTANDARDLOWOFDIAGNOSTICROUBLESHOOTING

NOTESWITHREGARDTO DIAGNOSISThephenomenaistedn he ol lowingableare notabnormal.

Diagnosis etection ondition an varydepending n the diagnosis ode.

Verify omplaint

o Diagnosisod eo diagnosis od eo r M U T - l l c a n ' tcommuntcate

I Reoccurs I cV Y F""d,I l (RererJ oiaonosisooe isotaveol-

oes not reoccur

"S""rb a"d"to P.35-4.)iagnosis odedisplayed -t NI

Read (and writedown) al l d isplayeddiagnosiscodes and tfre serviceciata( fau l tdura t ion nd how manv imesm e m o r i e s r e e r a s e d ) .A n d e r a s ethem. Refer o P.35-5.)lnspection hart for troublesymptoms(Refer o P.35-14.).---- l-

tNo Diagnosisod eRead rouble odes

Diagnosis ode displayedInspection hart or diaqnosis odes(Refer o P.35-6.) Intermittentmalfunction

Phenomenon Explanation f phenomenonWhenstarting fr" "nheenginecompartment,ut his s becausehe systemoperation heck s deingperformed, nd s notan abnormalitv.1. soundof the motor nside he ABS hydraulic nitoperation whine)2. sound s generated tongwithvibration f the brakepedal. scrapfng;3. WhenABSoperates,.sounds generatedrom he vehicle hassis ib to repeatedbrakeapplicationnd release.(Thump: uspension;queak;yres)For roadsurfaces r"for vehicleswithABScan sometimes e longer hanlhat or othervehicles. .corJingty,advise he customer o drivesafelyon such oadsby loweringhe vehicle peed"nJ"noteing oo overconfdent.

System hecksound

ABSoperation ound

ABSoperationLongbraking istance)


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35-4 SERVICEBRAKES ABSTroubleshootingW4DIAGNOSISUNCTIONDIAGNOSIS ODESCHECKWith thE MUT.IIConnect he MUT-II o the diagnosis onnector,hen checkdiagnosis odes.CautionTurn the ignition switch off before connecting or discon-necting the MUT-II.

Without the MUT-II1. Use he specialool o eadh diagnosis onnectorerminalNo .1 .

2. Turn he ignition witch o ON and then take a readingofthe diagnosis odes rom he flashingof the ABS warninglamp.

NEE

When diagnosiscode No.24 s output

oN r secs.OFFPause ime Tens Place3 secs. signal division2 secs.

Unitssignal14 tO 173

Whenno diagnosis ode s output


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SERVICEBRAKES ABSTroubteshooting 35-5ERASING IAGNOSISODESwith the MUT-rr1. Connecthe MUT-II o the diagnosisonnector,henerasehediagnosisodes.NOTECommandsannot e receivedrom he MUT-II fter hememory asbeenerased. ocheck he diagnosisodes,stop heengine ndstart t again. heMUT-II an henbeused gain.2. Check he diagnosisodes o confirmhat he memoryhasbeenerased.Without he MUT-II1. Use hespecialoo l o earthdiagnosisonnectorerminalNo .1 .

2. Turn he--ignitionwitch o ON and urn he stop ampswitch ff andon ten timesas shown n the llustratiohbelow.Once hishas beendone,al l of the diagnosiscodeswillbe erased.

lgnitionswitch

AB Swarning am p

ONOF F

ONOFF

ABS-ECU emoryj within i within withini 3sec. i 1 sec. 1 sec.# First Second

i within i; t sec.i, _i Rtter second,Third T;rh* erasingscomplete.14CO120

ffiG:-=\\U\\ED


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35-6 SERVICEBRAKES ABSTroubleshootingINSPECTIONHARTFORDIAGNOSISODESInspect ccordingo the nspection hart hat s appropriateor the malfunction ode.

DiagnosiscodeNo . Inspectionte m Diagnosis ontent Referenceage

1 1 Front ightwheel peed ensor Open ircuit 35-71 2 Frontef twheel peed ensor13 Rear ightwheel peed ensor1 4 Rear eftwheelspeedsensor1 5 Wheelspeed ensor Abnormalutput ignal 35-81 6 Power upply ystem 35-821 Front ightwheelspeedsensor Short ircuit 35-922 Front ef twheelspeedsensor23 Rear ightwheelspeedsensor24 Rear eftwheelspeedsensor26 G sensor Ooen-crrcuit.hort-circuitrabnormalutput igna. 35-938 Stop am pswitchsystem 35-104 1 Front ightsolenoid alve N 35-142 Front eftsolenoid alve N43 Rear ightsolenoid alve N44 Rear eftsolenoid alve N45 Front ightsolenoid alveOUT46 Front ef tsolenoid alveOUT47 Rear ightsolenoid alveOUT48 Rear eftsolenoid alveOUT5 1 Valve elay 35-1253 Motor elay,motor 35-1363 ABS-ECU Reolacehe ABS-ECU.


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SERVICEBRAKES ABSTroubteshooting 35-7INSPECTIONROCEDUREORDIAGNOSISODES9odeNo.l112,13,14Wheel peed ensor pencircuit Probable auseTheABS-ECUdetermineshatan opencircuitoccurs n more han one ineof wheelspeeosensors. aaa Malfunction f wheelspeedsensorMalfunction f wirinqharness r connectorMalfunction f ABS-ECU

Measure t the ABS-ECU onnector.E - 1 0. Disconnecthe connector nd mea-sure rom he harness ide.. Resistance aluesbetween46 and73 , 69 and 70,71 and 72,24 an dOK: 1 .4 1 .8 O

Check the followinq conn'ectors.A-12,A-33,C-26,E-- i3 nd E-15

Wheelspeedsensor nspection. Replacehe wheelspeedsensor.

Check he harnesswire betweeneachwhee lspeedsensorand ABS-ECU.and repair f necessary.


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35-8 SERVICEBRAKES ABSTroubleshootingCodeNo.15Wheel peed ensor Abnormal utputsignal) Probable auseA wheelspeedsensoroutputsan abnormal ignal other han an open or short-circuit ) .

. lmproper nstallation f wheelspeedsensoro Malfunction f wheelspeedsensoro Malfunction f rotoro Malfunction f wheel bearing. Malfunction f wiringharness r connector. Malfunctionf ABS-ECU

Wheel speedsensor nsta l la t ionn-soeclron.

Replace he wheelspeedsensor.heelspeedsensor nspection.heelspeed sensoroutputvoltage n-spectron.

Check he harnesswire betweeneachwhee lspeedsensorand ABS-ECU,and repair f necessary.

Replace he rotor.

GodeNo.l6 Power upplysystem Probable auseThe voltaqeof the ABS-ECUpowersupplydrops oweror riseshigher han hespecified alue. f the voltage elurns o the specified alue, his code s no longeroutput.

. Malfunction f wiringharnessor connector.. Malfunctionf ABS-ECU

Cautionlf batteryvoltagedrops or rises during nspection,his codewill be output as well. f the voltagereturns o standard alue, his code s no longeroutput.Before arryingout the ollowing nspection, heck he battery evel,and refill t if necessary.

Check he harnesswire between heignit ion-switchnd the ABS-ECU, ndreparr l necessary.

Check the following connectors.C-25,C-59,C-66and C-78easureat the ABS-ECUconnectorE-10 .o Disconnecthe connector nd mea-sure rom he harness ide.r Start the engine.Voltagebetween83 - BodyearthOK: Systemvoltage Check rouble ymptoms.

tI)


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SERVICEBRAKES ABSTroubteshooting 35-9CodeNo.2122,23,24Wheel peed ensor hortcircuit Probable auseThesecodesare outputat the ollowinqimes:o Whenan opencircuit annotbe fou'nd, ut more han one wheelspeedsensordoesno toutput ny signal ur ing r iving t 8 km/hor higher.. Wnena chrpped r ptugged-up otor ooth,etc. s detected.. When he sensoroutputdropsand anti-lock ontrol s continuouslvarriedoutdue to a defective ensoror a waroed otor.

. Malfunction f wheelspeedsensoro Malfunction f rotoro Malfunction f wheelbearinoo Malfunction f wiringharnesior connector. Malfunctionf ABS-ECU

Measureat the ABS-ECUconnectorsE-1 .. Disconnecthe connector nd mea-sure rom he harness ide.. Resistance aluesbetween46 and73 , 69 and 70,71 and 72,74 an dOK: 1 .4 1 .8 f )

Check he following connectors.A-12 , -33 ,C-26,E-13 ndE-15

Check he harnesswire betweeneachwhee lspeedsensorand ABS-ECU,and repair f necessary.

Replacehe wheelspeedsensor.

Replacehe rotor.

CodeNo.26G-sensor ystem open-, hort-circuitedrsignalabnormal) Probable auseOutput s providedn the ollowing ases.. G-sensor utputdropsbelow0.5V or risesabove4.5V. G-sensor ystemharness s brokenor shorted

o G-sensor efective. Harnessandconnector efectiveo ABS-ECUdefective

ReplaceG-sensor

ReplaceABS-ECU.

CheckG-sensor.Refer o P.35-22.)

Measureat ABS-ECU onnectorE-1 .o Disconnect onnectors nd makemeasure.mentson harness ide.. lgnition witch:ON. VoltagebetweenNo.62and 45O K : 2 . 3 - 2 . 7V

Check he following connector.D-27

Check harnessbetweenG-sensor nd ABS-ECU,and repair f necessary.Check he following connector. E-10

Check rouble ymptoms.

;


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35-10 SERVICEBRAKES ABSTroubleshootingcorle No-38 Stoo lamp switch system Probable auseThesecodesare outputat the ollowingimes:a" WH;ih; iiop rampswiicrrs not b5 turnedof f (when he stop ampswitchstavson for 15 minLtes r morealthough he ABS s not operating). wd; in l Aa6-ECUOeterminesnat there s an opehcircuil' inharnessof thestop ampswitchsystem.

Malfunction f stop ampswitchMalfunction f harnessor connectorMalfunction f ABS-ECUaoa

Stop ampswitch nspection Replace he stop ampswitch

S t o p l a m p s w i t c h i n s t a l l a t i o ninspection.oes the stoP amP l lumina te nc lswitchof t normallY?

Check he harnessbetweendedicatedf u s e N o . 1 7a n d h e A B S - E C U ' n drepair f necessary.

Measure t ABS-ECU onnectorE-1 .. D i s c o n n e c t h e c o n n e c t o ra n dmeasureat the harness ide.. Stop ampswitchON.o Voliage6etween36 - bodYearthOK: Systemvoltage

Check he following connectors.C-50,C-65and C-79

Check he harnessbetweenstop ampswitch nd he ABS-ECU' nd reparr lnecessary.

Check he following connector.


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SERVICEBRAKES ABSTroubteshooting 35-11Code No.41,42, 43, 44, 45, 46, 47,48 Solenoid valve Probable auseThe ABS-ECUalwaysmonitorshe solenoid alvedrivecircuit. t determineshatthere s an open or short-circuitn the solenoid oil or in a harness:when no currenlflows n the solenoideven hough he ABS-ECU urnson it,and viceversa.

aaaMalfunction f harnessor connectorMalfunction f hvdraulic ni tMalfunction f Ai3S-ECU

Solenoid alve nsDection(Refer o P.35-21.)

Measureat hydraulic ni l connectorA-78 an dABS-ECU onnectors -10.r D i s c o n n e c t h e c o n n e c t o ra n dmeasureat the harness ide.. Cont inu i ty e tween he fo l low ingterminalsOK: ConlinuitvHUsideABS-ECUsideHUsideABS-ECUside

1 2 3 4t t t l30 31 78 795 6 7 8l t t l58 59 50 51

Check he harnessbetween he hv-draul icunit and ABS-ECU, nd repdirrs necessary.

Check the following connectors.A-78.C-25.C-59and E-10

Replacehe ABS-ECU.


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SERVICEBRAKES ABSTroubleshooting 35-13CodeNo.53Motor elay,motor Probable auseThesecodesare outputat the followinq imes:when the motor rela! is on bul no sign-als input o the molormonitor ine(motor snotoperating, tc.)When he motor elay s off bu ta signal s input o the motormonitor ine or 5s.etonds r more(motorcontinues perating, tc.)When he motor elavdoes not ooerite

o Malfunction f motor elav. Malfunctionf wiring arness r connector. Malfunction f hvdraulic ni t. Malfunctionf ABS-ECU

CautionBecauseorce'drivingof the motorby meansof the actuator es t will drain he battery, he engineshouldbe startedand eft o runfor a whileafter esting s completed.Check he harnesses etween he hv-draul icunrtand ABS-ECU, nd repdirrrnecessary.

Repair

Check he harnessbetweenmotorre layand ABS-ECU, nd repair f nec-essary.

Replacehehvdraul icnit .

MUT-II actuator testls the sound of the motor operatinghead?

A?:-ffi"t relavnsnectionRerero

Measureat motor relav connectorA-77 .. Disconnecthe connector nd mea-sureat he harness ide.. Voltagebetween5 - bodyearthOK: Systemvoltage

Check he harnessbetween us ib lel inkNo.7and motor elay, nd repair fnecessarv.

Measure t ABS-ECU onnector -10.. Disconnecthe connector nd mea-sureat the harness ide. Resistance elween77-82O K : 7 8 - 8 8 O

Measure t ABS-ECU onnector -10.. Disconnecthe connector nd mea-sureat the harness ide.. Resis tancebetween65 - bodvearthO K : 0 . - 0 . 3 O

Check he harnessbetween he hv-draulic nit and ABS-ECU, nd reodiri f necessary.Motor ear th . repa i r fnecessary.

y.Blo_rrii"r",'"nnspectionRefero

Replacehe ABS-ECU.

Yes

Repair


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35-14 SERVICEBRAKES ABSTroubleshootingINSPECTIONHART ORTROUBLE YMPTOMSGetan understandingf the troublesymptoms nd checkaccordingo the inspection rocedure hart.

Caution1. lf steeringmovements re madewhen drivingat high speed,or when drivingon roadsurfaceswith low frictional esistance, r whenpassingover bumps, he ABS may operateeven houghsuddenbraking s not beingappl ied.Because f th is, when gett ing nformationrom thecustomer, heck f the problemoccurredwhiledrivingundersuchconditionsas these.2. DuringABS operation,he brakepedalmayvibrateor may not be able o be depressed. uchphenomenaare ue to intermit tent hanges n hydraul ic ressure nside he brake ine oprevent he wheels rom lockingand s notan abnormality.

Trouble ymptom InspectionproceoureNo.Referencepage

Communicat ioni thMUT-IIis notpossible. Communicationit hall systems s notpossible. 1 35-1Communicationit hABS only s not possible. 2 J C - t OWhen he gnition ey s turned o "ON" engine topped),heABS warning ampdoesnot l luminate. 3 35-17After he enginestarts,he amp remainslluminated. 4 35-17Faulty BSoperation Unequal raking oweron bothsides

Insufficient raking owerABS operates ndernormalbraking onditions

5 35-1

ABS operates efore ehicle topsundernormalbrak-ing conditionsLargebrakepedalvibrationCaution .)


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SERVICEBRAKES ABSTroubleshooting 35-15rNspEcnoN RocEDUREoRTRoUBLEyMproMsInspection rocedureCommunication ith MUT-II s not possible.(Communication ith all systems s not possible.) Probable auseThe cause s probably defect n the powersupplysystem including arth) or thediagnosisine. o Malfunction f the connector. Maliunction f the harnesswire

Measureat the diagnostic onnector. Voltagebetween16 and earthOK: Systemvoltage

Check the following connectors.A-11x.C-65.C-67an dC-79

Measureat the diagnostic onnec tor. Continuity etween andeartho Continuitv etween5 andearth

OK: Cohtinuitv Check he harnesswire between hediagnosis onnector nd earth,and re-parr rnecessary.Reolacehe MUT-ll

Check he harnesswire between hepowersupplyand diagnosis onnectorand repair f necessary.


30/50

35-16 SERVICEBRAKES ABSTroubleshootingInspection rocedureCommunication ith MUT-II s not possible.(Communication ith ABS only s not possible.) Probable auseWhen communication ith he MUT-ll s not possible,he cause s probably n opencircuitn he ABS-ECU ower ircuit r an opencircuitn he diagnosis utput ircuit. . Blown useo Malfunction f wiringharnessor connectoro Malfunctionf ABS-ECU

Measureat diagnosisconnectorC-70an dABS-ECU onnector -10.. Disconnecthe connector nd mea-sureat he harness ide.. Cont inu i ty e tween he fo l low ingterminalsOK: ContinuityABS-ECU 38 68sideDiagnosis onnector 7 1stoe

Check the following connectors.C-27 ,C-70 ndE-10

Check he harnessbetween he ABS-ECU and diagnosis onnector, nd re-pair f necessary.

Gheck he following connectors.C-25,C-66and C-78Measureat ABS-ECU onnectorE-1 .. Disconnecthe connector nd mea-sureat the harness ide.o lgnition witchON. Voltagebetween83 bodyearthOK: Systemvoltage

Measure t ABS-ECU onnector -10.o Disconnecthe connector nd mea-sure at the harness ide.. Continuity etween55, 56 - bodyearthOK: Continuity

Check he harnessbetween use No.3ins ide he junct ionb lock and ABS-ECU,and repair f necessary.


31/50

SERVICEBRAKES ABSTroubleshooting 35-17Inspection rocedure

Inspection rocedure

Replacehe ABSwarningampbulb

Replacehe combinationmeter.

NOTEThis rouble ymptoms imitedo caseswhere ommunicationith heMUT-IIs possibleABS-ECUower upplysnormal)nd hediagnosisode sa normal iagnosisode.

When gnitionkey s turned o o'ON"(engine topped),ABSwarningampdoesnot lluminate. Probable ausel f the ampdoesnot lluminate,he causema ybe :an opencircuit n he amppowersupplycircuit,a_blownampbulb,an opencirbuitbetween he ABS warning a'mpand he ABS-ECU.

o Blown use. Burnt utABS warning am pbulbo Malfunction f wiringhirness or connector

Fuse inspection,Mult i-purpose us e Refer o InspectionService Points ora BlownFuse.

Measure t connector -16. Disconnecthe onnector and mea-sureat he maleoin.o lgnit ion witch:ONo D o e s t h e A B S w a r n i n g l a m pi l l u m i n a t e h e n t e r m i n a l7 i searthed?OK: ll luminates

Checkwhether he ABS warning am pbulb s burnt ut.

Check the followinq connectors.C-68.C-78.D-04ana D-45

Check he harnessesbetween heA B S - E C U a n d c o n n e c t o rD - 1 6 .Repair, f necessary.

Evenafter heengine s started, he ABSwarning ampremainslluminated. Probable auseTh ecause s probably short-crrcuitn he ABSwarningamp lluminationircuit . a Malfunction f combinationmeterMalfunctionf ABS-ECUMalfunction f wiringharnessaa

Disconnectonnector -16and urn he gnit ion witcho ON.o Does he ABSwarningamp emain lluminated?

. Disconnect BS-ECU onnector -10.. lgnit ion witch:ONo Does he ABSwarning ampswitchoff?

Check he harnesses elween he combinationmeter and theABS-ECU. epair.f necessarv.


32/50

35-18 SERVICEBRAKES ABSTroubleshootingInspection rocedureBrakeoperations abnormal. Probable auseThis variesdepending n the driving onditions nd he roadsurface onditions, opioOfemCiagnbsissAifficutt.Howeier, f a normaldiagnosis ode s displayed, arryout he followingnspection

lmpropernstallation f wheelspeedsensorlncorrect ensorharness ontactForeignmaterial dhering o wheelspeedsensorMalfuhction f wheelspeedsensorMalfunction f rotorMalfunctionf wheelbearingMalfunctionf hydraul ic ni tMalfunctionf ABS-ECU

aaaaaaoa

Wheel speedsensor nsta l la l ionn-speclron

Replace he wheelspeedsensor.

Check the following connectors.A-12 , -33 ,C-26,E-13 ndE-15

Measureat ABS-ECU onnectorC-29.. Disconnecthe connector nd mea-sureat he harness ide. Resistance alue between erml-nals46-73,69-70,71-72and74'75OK: 1 .4 1 .8kC)(Thesensorharnessand connectorihou ld be movedwh i le hese n-spections re carriedout.)

Rotor nspection.

Check the following connector.E - 1 0


33/50

SERVICEBRAKES ABSTroubteshooting 35-19SERVICE ATAREFERENCEABLEThe ollowingtems anbe readby heMUT-IIrom heABS-Ecu nput ata.1. When he system s normal

2. When he ABS-ECU hutoff ABSoperation.When hediagnosisystem topsheABS-ECU,heMUT-II isplay atawillbe unreliable.ACTUATORESTREFERENCEABLETheMUT-II ctivateshe ollowingctuatorsor esting.NOTE1. lf theABS-ECUunsdown, ctuatoresting annot ecarried ut .2' Actuatorestings only possible hen he vehicles stationary.f the vehicle peedduringactuatortesting xceeds 0km/h,orced ctuation illcancels.

ItemNo. Check tem Checking equirements NormalVa lue1 1 Front-rightheel peedsensor Doa test un Vehicle peedsdisplayed n thespeedometerand MUT-IIar eidentical.12 Front-left heelspeedsensor13 Rear-right heelspeedsensor1 4 Rear-leftheel peed ensor1 6 ABS-ECUower upply ott-age lgnitionwitch ower upply oltage ndvalvemonitoroltage Systemvoltage1 7 G-sensorutput oltage Vehicle s stationary. 2 . 4 2 . 6 V

Performctual unning. Displayedaluerises boverdropselow.5V.3B Stop ampswitch Depresshe brakepedal. ON

Releasehe brakepedal. OFF

Activation atternHydraulic Startof forcedactuationressure lincreases I

Sote- Hydraulic inoid pressure ivatve l19r9s . iHydraulac ipressure !decreases it r4 0 - 4 5 m s i i

ONPumpmotorOF F

ACTUATORESTSPECIFICATIONSNo. Item01 Solenoid alve or ront-rightwheelandmotor Solenoid alvesandpumpmotors n th ehydraul ic ni t simpleinspectionmode)2 Solenoid alve or ront-left heeland motor03 Solenoid alve or rear-rightwheelandmotoro4 Solenoid alve or rear-left heeland motor


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35-20 SERVICE RAKES Service diustment rocedures

Main wir ing harness M8991638 i4co13o

SERVICE DJUSTMENTROCEDUREABSOPERATIONHECKWHEEL PEED ENSOR UTPUT OLTAGE HECK1. Liftup hevehicle nd eleaseheparking rake.2. Disconnecthe ECUharness onnector nd use hespecialtoolo measurerom heharness ideconnector'3. iotate thewheel o be measured t approximately12-1rotation ersecond, ndcheckhe output oltage singcircuitester r an oscilloscope.

WheelspeedsensorFront ef t Frontright Rear eft Rear ight

TerminalNo. 1 9 1 4 1 6 1 820 1 5 1 7 46Outputvoltage

Whenmeasuringwith a circuit ester:70 mV or moreWhenmeasuringwith an oscilloscope:100mV P-Por morelf the output oltages lower han he abovevalues,hereason ould e as ollow:o Faulty heel peed ensor.So replacehewheel Peed ensor.

InspectingWaveFormsWith An Osc illoscopeUse he ollowing ethodo observehe output oltagewaveform romeachwheel ensorwithan oscilloscope .o Start he engine, nd rotatehe rontwheels y engagin1stgear vehicles ith manual ransmission)r D range(vehicles i thautomaticransmission).urn he rearwheelsmanuallyo hat hey otate t a constantpeed.NOTE1. Check he connect ion f the sensorharness ndconnectorefore singheoscilloscope.2. Thewave ormmeasurementsanalsobe takenwhilethevehiclesactually oving.3. Theoutput oltagewillbe smallwhen hewheel peedslow,andsimilarlyt willbe argewhen hewheel peedshigh.

4.


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sERVlcEBRAKES service djustmentrocedure/HydrauticUnir 3S-21

$)iu""JrJy

VALVERELAYAND MOTORRELAYCHECKRemove he splashshield FR)and remove he relavs.

/lrel,EL- IjFJ-Fffirlf.X.Xetl

HYDRAULICNITINSPECTIONSOLENOIDALVE HECKMeasurehe esistanceetweenerminals.Standard alue:

MOTOR PERATIONHECKconnect he battery nd check o be sure hat he soundofthehydraulicni tmotor peratinganbe heard.CautionThebatterypowershouldnot be applied or more han 1second.

Battery oltage Terminal o.1 3 4 5

Continuity o voltage G- --{Continuity it hvoltage0- --

c- --{

Solenoid alve Measurementterminals

Resistance etweenterminals.

Front N (right ide) 1 - 1 1 8.04 9.04OFront N (leftside) 1 1 1 1- - | |Rear N (right ide) 3 - 1 1Rear N ( lef t ide) 2 - 1 1FrontOUT (right ide) 5 - 1 1 4.O4 4.54AFrontOUT (leftside) 8 - 1 1RearOUT (right ide) 7 - 1 1RearOU T (leftside) 6 - 1 1


36/50

35-22 SERVICEBRAKES HydraulicUniUG-SensorINSTALLATION ERVICEPOINT1. BRAKEPIPE NSTALLATION

Connect he tube to the hydraulic nit as shown n thei l lustration.(1) Fromhydraulic nit o frontbrake L.H.)(2) Fromhydraulic nit o rearbrake R.H.)(3) Fromhydraulic nit o rearbrake L.H.)(4) Fromhydraulic nit o frontbrake R.H.)(5) Frommaster yl indero hydraulic nit (frontL.H. ineandrearR.H. ine)(6) Frommaster yl indero hydraulic nit frontR.H. ineand rearL.H. ine)

G-SENSORINSPECTION1. DisconnectheG-sensoronnectorndconnecthespecial ool between he terminalsof the disconnectedconnector.2. Turn the ignitionswitch o ON and take a readingof thefollowing utPut oltage.Betweenerminals o.2andNo.3.

Standardvalue: 2.4- 2.6 VWith the special ool stillconnected, ecure he G-sensorso that the labelsurface s facingstraightdown,and thentake a reading f the following utputvoltage'Betweenerminals o.2and No.3.Standardvalue: 3.4- 3.6Vlf the voltage s outside he standard alue,aftercheckingto be sure ha t here s no abnormalityn the powersupplyand earthwires, eplace he G-sensor.

MB991 48

4.


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528-1

SUPPLEMENTALRESTRAINTSYSTEM SRS)CONTENTS

TROUBLESHOOTING ..". . .4Standard lowof Diagnosticroubleshooting.. . . . . .Inspec t ionhar t orD iagnos t i codes . . . . . . " . . . . . . . ' . . 'Inspection rocedureClassified yDiagnos isode . . . . . . . . . . . . ' . . .lnspection hart orTrouble ymptoms".-. . . ' . ' . ' . " 2lnspection rocedureorTrouble ymptoms'." ' . ' . 2

AIR BAG MODULE AND CLOCK SPRING . . . . . . 4

o


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52B'-2 SRS - SRSServicePrecautionsSRSSERVICE RECAUTIONS1. In order o avoid njury o yourself r othersfromaccidental eployment f the air bagduring ervicing,eadandcarefullyollowallthe precautionsndproceduresescribednthismanual.2. Do notuseanyelectricales tequipmentn ornearSRScomponents,xcepthose pecifiedon P.52B-4.3 . NeverA t tempt o Repa i r he Fo l low ingComponents:. SRSairbagcontrol nit SRS-ECU)o Clock pring. AirBagModule(Driver'sideor rontpassenger'side)

SRS-ECUonnector

4. Do not attempt o repair he wiringharnessconnectors fthe SRS. f any of the connectors re diagnosed s faulty,replace he wiringharness. f the wires are diagnosedasfaulty, eplaceor repair he wiring harnessaccording othe ollowingable.


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SRS- SRSServiceprecautions 528-3Correctivection

21 pins, el lowBodywiring arness Clock pring Ai rbagmoduleDrive/s ide) Corrector replaceeachwiringharness.Replace

clockspring.Bodywiring arness--- irbagmoduleFrontpassenger'side) Corrector replaceeachwrnng arness.

Bodywiring arness Diagnosisonnector Correct r replace achwiring arness.Bodywiring arness-.+Junction lock fuseNo.1 Correct r replace achwiring arness.Bodywiring arness--rJunction lock fuseNo.1g)Bodywiring arness SRSwarningamp1 6 o 1 9Bodywiringharness -+Earth Correct r replace odywiring arness.

Insulatingap e Battery5. A f te r d isconnect ing he ba t te ry cab le , wa i t 60seconds or m_ore^be fo reroc ;ed ing * l tn - tnefottowingwork.The.sRS ystdm s oeiiln-eo o'i"t"in

enough ottage o deptoy he ai r bag foi JJrrortiirn"even after the battery has been aisconneci"-ol'"oserious njury_may esult from unintended"ii 'O"geptoyment f work is done on the SRC "V"i" ,mmediatery f ter the batterycabres"r" o i""on-nected.

6 .7.8 .9 .

SRScomponentshould otbe subjectedo hearover93.C, o removeheSRS-ECU,irndclock prino *1" gryjp ql oa!1s thevehicre flei[aintinswhenever ou finishservicirigne snb, checkwarningampoperationo makesure hatunctionsroperly.Make ertainhat he gnitionwitchsoFF when heMUT-IIsconnectedrdisconnected.f youhaveanyquestionsboutheSRS,pr""r" .oitaciyour ocal istributor.NOTESERIOUSNJURY ANRESULT ROMUNINTENDEDIR BAGDEPLOYMENT,OHEPROCEDURESNDEQUIPMENTPECIFIEDNTHISMANUAL.

bag modulethe system

USEONLY


40/50

52B'-4 SRS- SpecialTool/Test quipmenUTroubleshootingSPECIAL OOLTool Number Name Use

M 8 9 9 1 6 1 3 SR Scheckharness Checkinghe SRSelectricalircuitry

TESTEQUIPMENTTool Name Use

Digitalmult i -meter Checkinghe SRSelectrical ircuitryUsea mult i -meterorwhich hemaximumestcurrent s 2 mA or lessatthe minimum angeof resistancemeasurement

TROUBLESHOOTINGSTANDARDLOWOFDIAGNOSTICROUBLESHOOTINGGathering nformation from customer - IVerify omplaint

osrsCheck diagnosis coi'*qrr**,'.*.il-d"

I *"o".r,..t--T-

I D i a g n o s i sc o d eJ displayed

resno l reoccuragnosis code

Recheckdiagnosis code(s) hen erase

1n=t-{ No Diagnosis

Check rouble codes(Refer o P.528-5.)

cooe

D i a g n o s i sc o d edisplayedI n s p e c t i o n c h a r t f o r t r o u b l esyniptoms (Refer o P.52B-12.) i r n " - @ ' l| (nefer to P.528-5.) |

lntermittentmallunction


41/50

SRS- Troubleshooting 528-5INSPECTIONHARTFORDIAGNOSISODESInspect ccordingo the nspection hart ha t s appropriateor the malfunctionode.

,t,.'lff;J;,1ffii:t;:?n returnsonormal,hediasnosisodewifl eautomaricalyrased,nd hesRSwarning(2) ff the vehiclehas,a discharged attery t will store he faultcodes41 or 42.when thesediagnosis ooesar edisplayed, heck he batterv.

Replacehe SRS-ECU.

AnalogG-sensor ystem n heSRS-ECUSafingG-sensor ystem n heSRS-ECU

2 1 , 2 2 , 6 1 , 6 2 Driver's id eai rbag modute squib) ystem24,25,64, 5 Frontpassenger'sideair bagmodule squib) ystem

SRS-ECU apacitor vsremConnectorocksystemSRS-ECU deployed ir bag)systemlG, (A) powercircuit ystemlG, (B) powercircuit ystemSRSwarning am pdrivecircuitsysrem Lampdoesnot l luminate.Lampdoesnot switchoff.SR Swarningampdrivecircuit ystemsRS-ECu on-volatiteemoryEEpRoM) ndA/DconvertervstemDriver's ideair ba gmodure squib gnition rivecircuit) ystemFrontpassenger'sid eai rbag modure squib gnition rivecircuit) vstem

NOTE

INSPECTIONROCEDURELASSIFIEDYDIAGNOSISODEGode No.14Analog G-sensorsystem in the SRS-EC- ProbablecauseIne sH5-EL;Umonitorshe output f th eanalogG-sensornsidehe sRS-Ecu.It outputs hiscode whenany of the ollowinq ri Celecteo.r When he analogG-sens6rs notoperatiio. When he characteristicsf the analogG_sensor re abnormal. When heoutput rom heanalogG-s6nsors abnormal

. Malfunctionf SRS-ECU


42/50

528-6 SRS - Troubleshootingcocle No-l5 Safino G-sensorsvstem in the SRS'ECU Probable ause

. Malfunctionf SRS-ECUThis code s output f there s a shortor opencircuitbetween he erminals f thesafinqG-sensornsidehe SRS-ECU.in" tiornte ciuses for eachdiagnosis odeNo are as follows'

TroubleymPtomShort ircuitn hesafingG-sensor

CodeNo.1 51 6

Replacehe SRS-ECU.

CoO"No.2122,61or 62Driver's ideairbagmodule{errrrih\ svstem Probable auseMalfunctionf clock PringMalfunction f wiringharnesses r conneclorsMalfunction f drivei'ssideai r bag module squib)Malfunction f SRS-ECU

aaaa

Thesediaqnosis odesare output f there s abnormal esistance etween he Inpulterminals f he drivefssideai rba gmodule squlb) 'in " irJrorc iiuses tor eachdiagnosis odeNo are as follows'

Trouble ymPtomo short n driver's id eair bag module squib) r harness hortr Short n clocksPring

CodeNo .2 122 a Ooencrrcurtn driver's id eair ba gmoduleOpencircuit n clocksPringMalfunction f connector ontact

(squib) r openharnessaa

6 1 o Short n driver's ideair bagmodule squib) arness eadingo the powersupply62 o Short n driver's id eai rbag module squib) arness eading o the earth

C h e c k th e f o l l o w i n gconnectors:C-92and D-51MUT-llSelf -d iagod eo D i s c o n n e c i c l o c k s P r i n gconnectorC-92.o ConnectSRS checkharnessconnector1) .. E r a s e d i a g n o s i s c o d ememory.ArecodeNo.2122,61 or 62outout?

SR Scheckharness(M8991613)

Check he harnesswlreb e t w e e n h e S R S - E C Uan dclock pring.

Reolacehe driver's ideai rba gmodule.


43/50

528-8 SRS- TroubleshootingCodeNo.35SRS-ECUdeployed ir bag)system Probable auseThis diagnosis ode s outputafter he air bag deploys. f this code s output eto_rethe airba ghas deployed,he cause s probably malfuncl ionnside he SRS-ECU. . Malfunctionf SRS-ECL

Reolacehe SRS-ECU.

Measureat SRS checkharnessconnector5) .. D i s c o n n e c t S R S - E C Uconnector -51.r ConnectSRScheckharnessconnector3) .r Continuitv etweenerminals(20)and 21 )OK : Continuity

CodeNo.41G1 A) powercircuitsystem Probable auseo Malfunction f wiringharnesses r connectors. Malfunctionf SRS-ECUThisdiagnosis ode s output f he voltage etweenhe Gi (A)terminal nd heearth s fower han he specified alue or a continuous eriodof 5 secondsor more.However,f he vehicle ondit ioneturnso normal, iagnosisod eNo.41wil lbeautomaticallyrased, nd heSRS warning am pwil lswitch ff .

Check the fo l l ow ingconnectors:C74,C78ndD51SR Scheckharness(M8991613)

Check he harnesswire between he SRS-ECUand ear th, andrepair l necessary.

Measure t SRScheckharness onnector5).. Disconnect RS-ECU onnector -51.o ConnectSRS checkharness onnector 3) .. Connectnegativebattery ableo lonit ion witch:ONo Vbltagebetween erminal 14)and bodyearthO K : 9 V o r m o r e

Check the fo l l ow ingconnectors:C-74 ndD-51

Check he harnesswire be tween he SRS-ECU nd iqn i t ionswitch G1, nd repair f necessary.


44/50

SRS- Troubleshooting 528-9CodeNo.42G1 B) powercircuitsystem Probable ause]frl; Qqagnosis.,codes outpu.tf he voltagebetween he lG1 B) erminal nd heeann rs ower nan he specified alue or a continuous eriodof 5 secondsor more.However, t he vehicle ondilio_neturns o normal,diajnosiscodeNo.42willbeautomaticallyrased, nd he SR Swarningampwil lswitch ff .

. Malfunction f wiringharnesses r connectors

SR Scheckharness(M89e1613) Measure t SRS checkharnessconnector5) .o D i s c o n n e c t S R S - E C Uconnector -51.o Connect RS checkharnessconnector3) .. Continuity etween erminals(20)an d 21 )OK : Continuity

C h e c k t h e f o l l o w i n gconnectors:C-74,C-78an dD-51

Check he harnesswire between he SRS-ECUand earlh,andrepair f necessary.

Measure t SRScheckharness onnector5) .. Disconnect RS-ECU onnector -51 ' '. Connect RS checkharness onnector3) .. Connectnegative attery able. lgnit ion witch:ON. Y91taS9etween erminal 13)and bodyearthO K : 9 V o r m o r e

C h e c k _ h e f o l l o w i n gconnectors:C-79and D-51

Check he harnessw i re between he SRS-ECUand ign i t ionswitch G1, nd repair f necessary.


45/50

52B-10 SRS- TroubleshootingCodeNo.43SRSwarning ampdrivecircuitsystem(Lampdoesnot illu

Probable auseThis diaonosis ode s outputwhenan opencircuito_ccursor a continuous eriodoli ' ; i l ; i l ;h i t i l [e SnsEcu in monitoringhesBS warningam p nd he am p sOFF transistor FF).ii,*duJi,iilhis code!s outputdue o an opencircuit, f thevehicle ondition eturnsiJrioimli, this diagnosis oOJ .r f.+Swill b'eautomatically rased,and he SRSwarning ampwill return o normal.

. Malfunction i wiringharnesses r connectorso Blownbulb. Malfunctionf SRS-ECLo Malfunction f combinationmeter

r

,l

C h e c k t h e f o l l o w i n gconnectors:C-74,C-78 nd D-51Measureat SRS checkharnessconnector5) .. D i s c o n n e c t S R S - E C Uconnector -51.o ConneclSRS checkharnessconnector3) .o Continuity etweenerminals(20)and (21)OK : Continuity

SR Scheckharness(MB991613)

Check he harnesswire between he SRS-ECUand earth, andrepair f necessary.

Measureat SRS checkharness onnector 5) '. Disconnect RS-ECU onnector -51.o Connect RScheckharness onnector3)'. lonition witch:ONo Connectnegative attery able ,. Connecterminal 15 ) o the bodyeann.OK: LamP lluminatesC h e c k t h e l o l l o w i n gconnectors:c - 1 3 , c - 6 8 , C - 7 8 ,D - 0 4and D-05

ReDlacehe SRS-ECU

Check he harnesswirebetween he SRS-ECUand gnit ion witch lGr).

Replace he combinationmeter.


46/50

SRS- Troubleshooting 528-11CodeNo.43SRSwarning ampdrivecircuitsystemllgtp doesnot switchoff.) Probable auseThisdiagnosis ode s outputwhena short o earthoccurs n the harnessbetweenthe.lamp nd he-SFS-ECUwhiteSRS-ECU s monitoringn" SRS;a-r,;!l;;;"and he am o s ON. . Malfunction f wiringharnesses r conneclors. Malfunctionf SRS:ECUo Malfunction f combinationmeter

SRSwarningamp nspection. lgnit ionwitch:ONo Does amp swi tcho f f when SRS-ECU onnectorD-51 sdrsconnected?C h e c k t h e l o t l o w i n gconnectors:C-l3, D-05and D51

Fleplacehe SRS-ECU.

Check he harnesswireb e t w e e n h e S R S - E C Uand combina t ionmeter ,and repair f necessary.

cuit system| ! igo1991osi9.9odeisoutputWhenaShortoccursint f f imafuncrront heoutputransistornsidehesRS-Ecu sddtected hilehesRS_EC UsmonitoringheSRSwarningam p rive iicLrrt.

Probable ause. Maltunction f wiringharnesses r connectorso Malfunctionf SRS-ECU

- -| t n ; t . ; t i ; - e r s z E - i T . j ' ' . . , | q | l | P u | | v c u | | U u | t 5 y > t E l | | . r uCodeNo.45. RS-ECU on-votatite emory EEPROM)andA/Dconvertersystem Probable auseTfrisdiagno_sis_codes output f there s a malfunctionn the sRS-ECUnon-volatilememory EEPROM) nd A,/D onverter. o Malfunctionf SRS-ECL

i ReplaceheSRS-ECU.t lGodeNo.51 r 52 Driver's ideai r bagmodule squibignitiondrivecircuit)system Probable auseI nrsoragnosrsode s output fa short No.51) r an opencircuit No.52)s detectedin the circuit or thedriver'3 ear. . Malfunctionf SRS-ECU

Replacehe SRS-ECU.

CodeNo.54 r 55 Frontpassenger's ideai r bagmodule(squib gnitiondrivecircuit)syslem Probable auseThisdiagnosis ode s output f a short No.sa)or an opencircuit No.55) s detectedin hecircuit or the passenoer's eat. . Malfunctionf SRS-ECL

Replacehe SRS-ECU.


47/50

528-12 SRS- TroubleshootingINSPECTIONHARTFORTROUBLE YMPTOMSGet an understandingf the troublesymptoms nd checkaccordingo the nspection rocedure har1.

INSPECTIONROCEDUREORTROUBLE YMPTOMSInspection rocedure t|r

,&

Troubleymptom Inspection rocedureNo . Reference ag eCommunicat ioni thMUT-I l s notoossible. Communicat ioni thal lsvstemssnotoossible.

I I 528-12

Communicat ions notpossible i thSRSonly. 2 52B-12When he gnition ey s turned o "ON" engine topped),heSRSwarningampdoesnot l luminate. Refer o diagnosis odeNo.43. 5 2 8 - 1 0After he gnition witch s turned o ON, he SRS warning ampis stillon afterapproximately secondshavepassed. Refer o diagnosis odeNo.43. 528-11

Communication ith MUT-II s not possible.(Gommunication ith all systems s not possible.) Probable auseThe cause s probably power upply ystem includingarth ircuit ) f th ediagnosisine. Malf nction f connectorsMalfunctionf wiring arnessaa

Refer o GROUP 5 - Troubleshootino

Inspection rocedureCommunication ith MUT-II s not possible.(Communications notpossiblewithSRSonly.) Probablecausel f communications no tpossib le i th he SRSonly, hecause s probably n opencircuitn he diagnosis utput ircuit f he SRSor n hepower ircuit includingearth ircuit ) .

aa

Malfunctionf wir ing arnesses r connectorsMalfunctionf SRS-ECU


48/50

SRS- Troubleshooting 528-13SR Scheckharness(M8991613) Measureat SRS check harnessconnector5) .o D i s c o n n e c t S R S - E C Uconnector -51.. ConnectSRS check harnessconnector 3) .o Continuity etween erminals(20)an d (21)OK : Continuitv

C h e c k . h e fo l l o w i n gconnectors:C-74.C-78and D-51

Check he harnesswire between he SRS-ECUand earth,andrepair s necessary.

Measure t SRS checkharness onnector S) .. Disconnect RS-ECU onnector -51. '. Connect RS checkharness onnector3) .. Connectnegative attery able. lgnit ion witch:ON. Y-olt"Sg etween erminal 13)and bodyearthO K : 9 V o r m o r e. Yg.ltaSgetween erminat 14)and bodyearthO K : 9 V o r m o r e

C h e c k t h e f o l l o w i n oconnectors:C-74,C-79an dD-51

Check he harnesswire between he SRS-ECU nd ign i t ionswitch ct , and repair f necessary.

Check he harnesswire between he SRS-ECUand diagnosisconnector.


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528-14 SRS- Air BagModule ndClockSpringAIRBAGMODULE NDCLOCKSPRINGCLOCKSPRINGINSPECTIONlf, as resultof fol lowing hecks,even one abnormal oint sdiscovered,eplaceheclockspringwitha newone.1. Checkconnectors nd protectiveube for damage,andterminalsordeformation.2. Visually heck hecase ordamage3. Check hat there s continuity etween he clockspringconnectorso.1,No.2,No.3andNo.4.ConnectorNo . 1 2 .t 4Terminal o. I 2 3 4 J I 2 1 2Continuitybetweenterminals

G _CG -cG _C_C

G CWhen oiningSRS Checkharness onnectorNo.2andclockspringconnectorNo.6alignpaintof the No.2 withthe arrowportion f the No.6.Check or continuity etween erminal 5 and terminal26of SRSCheckharness onnector o.3.

4 .5 .Resistance3 Q)

SR Scheckharness

ViewA

Paintedmark,""*0k)'".@+


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Pub.No.PWUE9I9-FENGTISHEUROPE

Documents

Workshop Manual Chassis Supplement Mitsubishi 3000 GT 1997 Euro