13
NOTE:- INJ O/P NUMBERING IS FIRING ORDER NOT CYLINDER NUMBER. SEE PAGE 6. WIRING SCHEMATIC FOR S100PRO LAST UPDATED 18/11/2014 NEEDS FIRMWARE V77.00 AND HIGHER FOR ALL OPTIONS 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 Coil 3 Coil 1 Coil 2 Coil 4 Inj 1 Inj 2 Inj 4 Inj 3 Aux 4 / ALS Valve / VTEC GND Aux 1 / Cam Control Turbo Pressure Valve Idle Valve Tel +44 (0)161 877 1419 Fax +44 (0)161 877 7086 Email [email protected] NOTE POWER CONNECTOR HAS ONLY ONE KEY HERE NOTE:- COIL O/P NUMBERING IS FIRING ORDER NOT CYLINDER NUMBER. SEE PAGE 5. S100PRO Power Connections Drawn from pin insertion side Note this connector has Three keyways in total Latch For Firing Order 1 3 4 2 Cyl Numbers In Green Cyl 1 Cyl 3 Cyl 4 Cyl 2 Cyl 3 Cyl 1 Cyl 4 Cyl 2 Fused 12 V To Page 2 Fused 12V Fused 12V Fused 12V Fused 12V 12v supply circuit Fuse 40 Amp Ignition switch Relay Bosch 0332 014 112 or equiv Battery - Battery + 40 Amp Fuse MUST be Fitted 30 87 86 85 86 85 Why The Fuse? The fuse protects the ECU in the case of severe errors in the wiring (12V to Sensor GND for instance). With it you cannot damage the ECU, without it you can. The choice is yours. Aux 3 / VTEC Valve / Bosch 3 Pin Idle Valve Fast Side Earth Pin on Case Aux 9 / Tacho Aux 2 / Fan Relay Aux 7 / Fuel Pump Relay Aux 8 / Shift Light / Elec Dump Valve

40 Amp Fuse MUST - DTAFast...Injector Wiring Note all injectors must be high impedance types or use a ballast resistor. Sequential Remember that the outputs are numbered in firing

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Page 1: 40 Amp Fuse MUST - DTAFast...Injector Wiring Note all injectors must be high impedance types or use a ballast resistor. Sequential Remember that the outputs are numbered in firing

NOTE:- INJ O/P NUMBERING IS FIRING ORDER NOT CYLINDER NUMBER. SEE PAGE 6.

WIRING SCHEMATICFOR S100PRO

LAST UPDATED 18/11/2014NEEDS FIRMWARE V77.00 AND HIGHER FOR ALL OPTIONS

1 2 3 4 5 6 7 8 9

10 11 12 13 14 15 16 17

18 19 20 21 22 23 24 25

26 27 28 29 30 31 32 33 34

Coil 3

Coil 1

Coil 2

Coil 4

Inj 1

Inj 2

Inj 4

Inj 3

Aux

4 /

ALS

Valv

e /

VT

EC

GND

Aux

1 /

Cam

Contr

ol

Turb

o P

ress

ure

Valv

e

Idle

Valv

e

Tel +44 (0)161 877 1419Fax +44 (0)161 877 7086Email [email protected]

NOTE POWER CONNECTORHAS ONLY ONE KEY HERE

NOTE:- COIL O/P NUMBERING IS FIRING ORDER NOT CYLINDER NUMBER. SEE PAGE 5.

S100PRO Power Connections

Drawn from pin insertion sideNote this connector has Three keyways in total

Latch

For Firing Order1 3 4 2 Cyl NumbersIn Green

Cyl 1

Cyl 3

Cyl 4

Cyl 2

Cyl 3

Cyl 1

Cyl 4Cyl 2

Fused 12 VTo Page 2

Fused 12V

Fused 12V

Fused 12V

Fused 12V

12v supply circuitFuse 40 Amp

Ignition switch

Relay Bosch 0332 014 112or equiv

Battery -

Battery +

40 Amp Fuse MUST be Fitted

30

87

86 85

86

85

Why The Fuse?

The fuse protects the ECU in the case of severe errors in the wiring (12V to Sensor GND for instance). With it you cannot damage the ECU, without it you can. The choice is yours.

Aux

3 / V

TE

C V

alv

e /

Bosc

h 3

Pin

Idle

Valv

e F

ast

Sid

e

Earth Pin onCase

Aux

9 / T

ach

o

Aux

2 /

Fan R

ela

y

Aux

7 / F

uel

Pum

p R

ela

y

Aux

8 /

Shift

Lig

ht /

Ele

c D

um

p V

alv

e

Page 2: 40 Amp Fuse MUST - DTAFast...Injector Wiring Note all injectors must be high impedance types or use a ballast resistor. Sequential Remember that the outputs are numbered in firing

NOTE:- INJ O/P NUMBERING IS FIRING ORDER NOT CYLINDER NUMBER. SEE PAGE 6.

1 2 3 4 5 6 7 8 9

10 11 12 13 14 15 16 17

18 19 20 21 22 23 24 25

26 27 28 29 30 31 32 33 34

Coil 5

Coil 7

Coil 8

Coil 6

Inj 5

Inj 6

Inj 7

Inj 8

NOTE POWER CONNECTORHAS ONLY ONE KEY HERE

NOTE:- COIL O/P NUMBERING IS FIRING ORDER NOT CYLINDER NUMBER. SEE PAGE 5.

S100PRO Power Connections

Drawn from pin insertion sideNote this connector has Three keyways in total

Latch

Fused12 Volts from Page 1

GND

AU

X5 n

ote

this

giv

es

out 12V

!

AU

X6

Fused 12V

Fuse

d 1

2V

Fuse

d 1

2V

Fused 12V

Coil

9 o

r C

am

4or

Neutr

al I

nte

rlock

Coil

10 o

r T

hro

ttle

Blip

per

Inj 9

or

VA

NO

Sor

Cam

2 V

alv

eor

Gear

Up V

alv

e

Inj 1

0 o

r V

AN

OS

or

Cam

3 V

alv

eor

Gear

Dow

n V

alv

e

Page 3: 40 Amp Fuse MUST - DTAFast...Injector Wiring Note all injectors must be high impedance types or use a ballast resistor. Sequential Remember that the outputs are numbered in firing

1 2 3 4 5 6 7 8 9

10 11 12 13 14 15 16 17

18 19 20 21 22 23 24 25

26 27 28 29 30 31 32 33 34CAN H (CAN +)

OilTemp

WaterTemp

TPS

Senso

r G

ND

Senso

r G

ND

Hall

Effect

Left

Undrive

n W

heel S

peed

Ana 3

/ G

ear

Pot

Launch

Button

Oil

Pre

ssure

Fuel P

ress

ure

Air T

em

p

5 V

NOTE SENSOR CONNECTORHAS TWO KEYS HERE

Left or OnlyLambda Signal

Sensor GND

Senso

r G

ND

CAN L (CAN -)

Cam

Senso

r H

all

Effect

Cam

Senso

r M

agnetic

Cra

nk

Sen

sor

Magnetic

Cra

nk

Sen

sor

Hall

Effect

Manifo

ld/B

aro

Pre

ssure

ALS

/Map 2

or

Lam

bda S

w o

rP

addle

Input

S100PRO Sensor Connections

Drawn from pin insertion sideNote this connector has four keyways in total

Latch

5 V

O/P

Fro

m E

CU

Cam And Crank Connections

2 inputs are provided for each of these sensors to accommodate differing types. Only one of each must be used at any one time.

Some OEM Hall Effect sensors require 12V supply. This will cause no problem to the ECU.

Ana2/ Log Switch/TPS 2 S

hift

Cut or

E85 S

enso

rA

ir C

on S

ignal o

r S

haft S

peed

or

Up P

addle

Ana 1/Traction Cut %/Launch RPM

Page 4: 40 Amp Fuse MUST - DTAFast...Injector Wiring Note all injectors must be high impedance types or use a ballast resistor. Sequential Remember that the outputs are numbered in firing

1 2 3 4 5 6 7 8 9

10 11 12 13 14 15 16 17

18 19 20 21 22 23 24 25

26 27 28 29 30 31 32 33 34

Senso

r G

ND

Sensor GND

S100PRO Sensor Connections

Drawn from pin insertion sideNote this connector has four keyways in total

Latch

Rig

ht U

ndrive

n W

heel S

peed

or

Paddle

In

put

Rig

ht D

rive

n W

heel

Speed o

r C

am

4

Left D

rive

n W

heel

Speed o

r C

am

3

Tra

ctio

n O

n/O

ff

Tra

ctio

n W

et/D

ry

Cam

2 H

all

Effect

or

Paddle

Input

Cam

2M

agnetic

Right Lambdaor Launch RPMlor Paddle Input

Aux

Sw

itch

or

Pit

Lane S

peed

or

Paddle

In

put

5v

Fro

m E

CU

Cam And Crank Connections

2 inputs are provided for each of these sensors to accommodate differing types. Only one of each must be used at any one time.

Some OEM Hall Effect sensors require 12V supply. This will cause no problem to the ECU.

Page 5: 40 Amp Fuse MUST - DTAFast...Injector Wiring Note all injectors must be high impedance types or use a ballast resistor. Sequential Remember that the outputs are numbered in firing

ANALOGUE 2 WIRING FOR LOG SWITCH

If using the analogue 2 input for switching the log on and off use the following wiring.

4K7 resistor

Toggle switch

5 volts

Sig Gnd

Analogue 2

Log on = switchedclosed

Throttle pot

Connect 5 v to sideto which throttle wipergoes at full open

any value 500 Ohm to20 K Ohm

Colvern (Jenvey) pot

Red = WiperGreen or Blue = 5vYellow or Black = Sensor GND

Crank sensor connections

Use twisted pair wire with overall screen for crank sensor VR sensor pin outs (magnetic)Ford inc DuratecPin 1 to pin 12Pin 2 to Sensor GNDShield to Sensor GND at ECU

Vauxhall/Opel/BMW/Volvo/Saab/etc. (Bosch & Siemens)

Pin 1 to pin 12Pin 2 to pin Sensor GNDPin 3 to shield to Sensor GND at ECU

MarelliPin 2 to pin 12Pin 1 to Sensor GNDShield to Sensor GND at ECU

Serial Port Connections

1 -> 12 -> 23 -> 3 9 - 15 pin (Dyno Control Box uses the rest)4 -> 45 -> 5

All 5 volt and Sensor Gnd connections are equivalent (except Lambda Gnd). Use the ones which are most suitable for the sensors connected. If not using twisted pair wire, twist together separate wires a pitch of approx. 2.5 cm

Bosch Map 0261 230 0041= 5 Volt2= GND3=Signal

GM MapA = Sensor GNDB = SignalC= 5 Volt

Marrelli MapA = 5VB = Sensor GNDC = Signal

Sensor Connections

Manifold Pressure Sensors

Coil Wiring

Coil Per Plug

Remember that the outputs are numbered in firing sequence, that is 1 is the first to fire, 2 the second etc. For a 4 cylinder with a firing sequence of 1/3/4/2 connect wires as below. A cam sensor MUST be fitted for coil per plug operation.

Cyl 1 3 4 2O/P 1 2 3 4

And similarly for 6 or 8 cylinder engines.

Wasted Spark

Use the lowest outputs. For a 6 cylinder engine with a firing order of 1/3/6/4/5/2 wire as below.

Cyl 1 3 6Cyl 4 5 2O/P 1 2 3

Distributor

Use Coil output 1..

Twin Spark

Depends on the number of cylinders. Say the engine is a six cylinder, wasted spark, twin spark then 1,2 and 3 are plugs 1, 4, 5, 6 are plugs 2. Four a similar 4 cylinder the groupings are 1,2 are plugs 1, 3 and 4 are plugs 2. 8 cylinder wasted spark, twin spark is the maximum allowed configuration.

Output Driver Limitations

All Auxilliaries Unless otherwise stated 1 Amp

ALS Valve 4 AmpAux 3 4 Amp

Injector Drivers 4 AmpCoil Drivers 9 amp

Flash ProgrammingSwitch

8

13

Page 6: 40 Amp Fuse MUST - DTAFast...Injector Wiring Note all injectors must be high impedance types or use a ballast resistor. Sequential Remember that the outputs are numbered in firing

Injector Wiring

Note all injectors must be high impedance types or use a ballast resistor.

Sequential

Remember that the outputs are numbered in firing sequence, that is 1 is the first to fire, 2 the second etc. For a 4 cylinder with a firing sequence of 1/3/4/2 connect wires as below.

Cyl 1 3 4 2O/P 1 2 3 4

A cam sensor MUST be fitted for sequential injection. Up to 5 cylinders can run sequentially twin injection.

Non Sequential

Use O/P’s 1,2,3 etc, up to the number of cylinders to any injector

Non Sequential Twin Injector

Injectors 1:- Use O/P’s 1,2,3,4,5. Wire equal numbers of injectors on each if possible

Injectors 2:- Use O/P’s 6,7,8,9,10. Wire equal numbers of injectors on each if possible.

Special Nissan Connections

Connections for combined Nissan/Denso Cam Shaft mounted sensor system.Engine codes RB25, RB26, RB20.General Engine Settings, Flywheel Mode 5

4 3 2 1

1 - TDC Signals - White2 - 360 degree signal - Green3 - +5V - Red4 - Signal GND - Black

Note:- Before Firmware V49.02 Connect TDC signal to Undriven wheel speed on the ECU sensor connector, after V49.02 the normal Cam input. Connect 360 degree signal to normal hall effect crank shaft sensor input Pin 13

The connector is drawn looking at the sensor output.

VDO Pressure Adapter Connections

150mm

560 OhmPull Up

3 pin AMPSuperseal

4 mm Ring

This sensor comes in 4 and 6 cylinder versions, either is acceptable.

1

2

3

Gnd

Signal

5 Volt

1 - TDC Signals - White2 - 360 degree signal - Green3 - +5V - Red4 - Signal GND - Black

Note:- Before Firmware V49.02 Connect TDC signal to Undriven wheel speed on the ECU sensor connector, after V49.02 the normal Cam input. Connect 360 degree signal to normal hall effect crank shaft sensor input Pin 13

Special Nissan Connections

Connections for combined Nissan/Denso Cam Shaft mounted sensor system.Engine Code SR20.General Engine Settings, Flywheel Mode 8

We have seen various connectors on this one but the wire colours are always the same

This sensor comes in 4 and 6 cylinder versions, Only the 4 cylinder version is acceptable.

1 2 3 4

5 6 7 8

Alternative Connector

1 = GND, 2 = 5V, 3 = 360 Deg, 4 = TDC

Page 7: 40 Amp Fuse MUST - DTAFast...Injector Wiring Note all injectors must be high impedance types or use a ballast resistor. Sequential Remember that the outputs are numbered in firing

Sensor ConnectionsAll drawn looking at the sensor/actuator

1 2 3

1 2 3

K20 Crank & K20/24 CamPin 1 = SignalPin 2 = Sensor GNDPin 3 = 12VTPSPin 1 = Sensor GNDPin 2 = SignalPin 3 = 5VMAPPin 1 = 5VPin 2 = SignalPin 3 = Sensor GND

Power Connections

Idle ValvePin 1 = GNDPin 2 = 12VPin 3 = Signal

Coil Connections

Pin 1 = SignalPin 2 = GNDPin 3 = 12V

Connect VTEC Valve to AUX3

Honda F20C (S2000)LOAD S2000 MAP BEFORE CONNECTING

COILSGeneral Engine Settings, Flywheel Mode 9.Connect exhaust cam sensor to normal cam input, Pin 22. Crank to Pin 12.

Sensor ConnectionsAll drawn looking at the sensor/actuator

1 2 3

1 2 3

Crank SensorPin 1 = SignalPin 2 = Sensor GNDPin 3 = ShieldEx. Cam Sensor (2 pin)Pin 1 = SignalPin 2 = GNDTPSPin 1 = Sensor GNDPin 2 = SignalPin 3 = 5VMAPPin 1 = 5VPin 2 = SignalPin 3 = Sensor GND

Power ConnectionsIdle ValvePin 1 = GNDPin 2 = 12VPin 3 = Signal

Coil Connections

Pin 1 = SignalPin 2 = GNDPin 3 = 12V

Connect VTEC Valve to AUX3 Via Relay

1 2

Honda B16 & B18 Distributor

General Engine Settings, Flywheel Mode 6.Connect cam sensor to cam input, Pin 22. Crank to Pin 12.

Requires Firmware V17.02 or Higher

Distributor Connections

All drawn looking at the sensor/actuator

Crank SensorPin 2 = SignalPin 6 = Sensor GNDCam SensorPin 8 = SignalPin 4 = Sensor GNDCoil TriggerPin 1TachoPin 912VPin 10

Connect VTEC Valve to AUX3 Via Relay

1 2 3 4

5 6 7 8

9 10

Honda K20ALOAD K20A MAP BEFORE CONNECTING

COILSGeneral Engine Settings, Flywheel Mode 7.Connect Inlet Cam Sensor to Pin 29, from firmware version 38.01. Exhaust cam sensor to normal cam input, Pin 23. Crank to Pin 13.

The Vtec Valve is on the exhaust side of the engine, inlet adjustment valve on the front

K24 CrankPin 1 = 12VPin 2 = SignalPin 3 = Sensor GND

Page 8: 40 Amp Fuse MUST - DTAFast...Injector Wiring Note all injectors must be high impedance types or use a ballast resistor. Sequential Remember that the outputs are numbered in firing

Suzuki GSXR 1000 K5 & K6

All drawn looking at the sensor/actuator

1 2

Crank Sensor

Pin 1 Signal (Black)Pin 2 GND (Green)

Rover Red Connector S60 Pin

1 Cam+ 22 Sensor2 Cam- 21 Sensor9 Tacho Out 2 Power12 INJ 1 9 Power13 INJ 2 25 Power14 INJ 3 17 Power25 Crank+ 12 Sensor26 Crank- 21 Sensor27 Lambda+ 19 Sensor28 Lambda- 18 Sensor35 INJ 4 34 Power

Rover Black Connector S60 Pin

2 VVC inc 33 or 32 Power8 MAP 5V 9 Sensor10 Oil Temp 17 Sensor12 TPS Sig 34 Sensor13 Sensor GND 23 Sensor14 Air Temp 7 Sensor15 Water Temp 25 Sensor18 TPS 5 V 9 Sensor20,21,22,33 See Below23 VVC Decrease 5 Power25 Coil 2 18 Power26 Coil 1 10 Power27 +12V 31 Power28 Fan 1 4 Power30 Fuel Pump 3 Power36 MAP Sig 16 Sensor

Ignition Relay Black Con. Relay

20 & 21 85 & 8722 3033 86

S60 Power Con Pins 13 & 14 To Bat Negative

Rover 1800 K VVC Loom to S60

36 25

13 24

121

Rover 1800 K VVC Connector Pin Outs

Latch

Drawn From ECU Side of Loom Connectoron Vehicle

Honda CBR600 Sequential

General Engine Settings, Flywheel Mode 10Requires Firmware V19.02 or higher.

Any Honda bike engine fitted with the cam wheel below and a 12 tooth (no gaps) crank wheel.

1 2

Crank Sensor

Pin 1 GND (Yellow/White)Pin 2 Signal (Yellow)

1 2

Cam Sensor

Pin 1 Signal (Grey)Pin 2 GND (Yellow/White)

Drawn looking at connector attached to sensor

Page 9: 40 Amp Fuse MUST - DTAFast...Injector Wiring Note all injectors must be high impedance types or use a ballast resistor. Sequential Remember that the outputs are numbered in firing

Air Conditioner Connections

30

87

8586Relay Bosch 0332 014 112or equiv

Air Compressor

12V ControlTo Compressor

S60 Pin 14Sensor side

Signal Ground

Power Ground

BMW Single VANOS S50B30

All drawn looking at the sensor/actuator, wiring colours are sensor not loom colours

1 2

Crank Sensor

Pin 1 SignalPin 2 GNDPin 3 Shield

Cam Sensors (Both)

Pin 1 GND Pin 2 SignalPin 3 ShieldEX Cam to Cam 1 Mag inputInlet Cam to Cam 2 Mag Input

TPS Sensor

Pin 1 5V Pin 2 SignalPin 3 GND

Cam Solenoids

Pin 1 12V Pin 2 Signal

Connect top solenoid to Cam Output, Bottom to Aux 3/Vetec output.

1 2 3

1 2 3

1 2 3

Note Old ECU phase sensor is not used. The two VANOS sensors which are used are situated at the front of the engine.

Firing order 1 5 3 6 2 4

Suzuki Hyabusa

All drawn looking at the sensor/actuator, wiring colours are sensor not loom colours

1 2

Crank Sensor

Pin 1 GND (Green)Pin 2 Signal (Blue)

Cam Sensor

Pin 1 GND Pin 2 Signal

TPS Sensor

Pin 1 GND Pin 2 SignalPin 3 5v

1 2

1

2 3

1

2 3

1 2 3

MAPPin 1 = 5VPin 2 = SignalPin 3 = Sensor GND

GearPin 1 = SupplyPin 2 = Variable Resistor EndPin 3 = Switch to 1

Resistance Values Ohms1st 5602nd 8273rd 15854th 27335th 68006th 15000

Page 10: 40 Amp Fuse MUST - DTAFast...Injector Wiring Note all injectors must be high impedance types or use a ballast resistor. Sequential Remember that the outputs are numbered in firing

BMW Twin VANOS S50B32 S100 Only

All drawn looking at the sensor/actuator, wiring colours are sensor not loom colours

Exhaust Cam Sensor

Pin 1 Sig Pin 2 GNDPin 3 ShieldConnect to CAM1 Pin 22

Inlet Cam Sensor

Pin 1 GND Pin 2 SigPin 3 ShieldConnect to CAM2 Pin 30

TPS Sensor

Pin 1 5V Pin 2 SignalPin 3 GND

Exhaust Cam Solenoids

Pin 1 Bottom (Brown) Pin 2 12V (Green/Red)Pin 3 Top (Black)Connect top solenoid to Cam Output, Bottom to Aux 3/VTEC

Inlet Cam Solenoids

Pin 1 Bottom (Brown) Pin 2 12V (Green/Red)Pin 3 Top (Black)Connect top solenoid to Inj 9 Output, Bottom to Inj 10.

Crank Sensor

Pin 1 SignalPin 2 GNDPin 3 Shield

1 2 3

1 2 3

1 2 3

1 2 3

1 2 3

Firing order 1 5 3 6 2 4

It is essential the connectors on the solenoid valves are removed and replaced. The standard connector contains diodes which will fuse when connected as shown.

BMW Mini (Chrysler Engine)

All drawn looking at the sensor/actuator, wiring colours are loom colours

Crank/Cam Sensors

Pin 1 GND (Brown/Stripe)Pin 2 Signal (Black/Stripe)Pin 3 12V (Red/Stripe)

TPS Sensor

Pin 1 GND Pin 2 SignalPin 3 5v

Coil

Pin 1 Cyl 2 & 3 (Black / Yell) Pin 2 12V (Red)lPin 3 Cyl 1 & 4 (Black / Blue)

1 2 3

1 2 3

GndGreen/Black

SigRed

5VYellow

Page 11: 40 Amp Fuse MUST - DTAFast...Injector Wiring Note all injectors must be high impedance types or use a ballast resistor. Sequential Remember that the outputs are numbered in firing

Remove these diodes insideVANOS unit

BMW Twin VANOS S54B32 S100 Only

All drawn looking at the sensor/actuator, wiring colours are sensor not loom colours unless otherwise stated

Crank Sensor

Pin 1 SignalPin 2 GNDPin 3 Shield

1 2 3

TPS Sensor

Pin 1 5V Pin 2 SignalPin 3 GND

1 2 3

4 5 6

1 2 3

VANOS Solenoids

Pin 1 INJ 10 (Green)Pin 2 12V (Brown)Pin 3 INJ 9 (Black)Pin 4 Aux 3/VTEC (Green)Pin 5 12V (Brown)Pin 6 Aux1/Cam Control

NOTE Wire colours are loom colour. Pin numbers are on the loom side connector

Exhaust Cam Sensor

Pin 1 - Red/White to 12VPin 2 - Yellow to Cam1 HallPin 3 - Brown to Sensor GND

Inlet Cam Sensor

Pin 1 - Red/White to 12VPin 2 - Yellow to Cam2 HallPin 3 - Brown to Sensor GND

NOTE Wire colours are loom colour.

Page 12: 40 Amp Fuse MUST - DTAFast...Injector Wiring Note all injectors must be high impedance types or use a ballast resistor. Sequential Remember that the outputs are numbered in firing

Orientation of Magnetic Rotating Sensors

Cam Sensor

Shown is an oscilloscope trace of a typical magnetic cam sensor pattern when cranking. The orientation is correct when the voltage seen at the signal pin rises as the tooth approaches and falls sharply when the tooth recedes.

If the sensor is connected with reversed polarity then the signal position will appear to move causing cam shaft errors and apparent movement in cam position.

Note the presence of high frequency noise on this signal. This is the result of not using shielded twisted pair wire for this sensor. If this is strong enough cam shaft errors will result and the engine may not run at all.

Page 13: 40 Amp Fuse MUST - DTAFast...Injector Wiring Note all injectors must be high impedance types or use a ballast resistor. Sequential Remember that the outputs are numbered in firing

Crank SensorOn the left is an oscilloscope trace of a good clean signal from a magnetic crank sensor on a 36 - 1 wheel. Note the voltage rising through the gap. This is the correct polarity.

If the voltage falls through the gap then the engine may start but at a certain RPM will begin to give crank shaft errors and re-synchronisations.

The voltage variation is caused by successive compression strokes slowing the rotation speed during cranking.

On the right is a more detailed view of the gap itself. Note the voltage rising as the gap traverses the sensor.

You can also see that this signal is free of high frequency noise. The correct screened twisted pair wire has been used for this sensor. Both cam and crank traces are from the same vehicle.