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SERVICE CAMPAIGN BULLETIN

The information contained in this bulletin is subject to change. For the latest version of this document, go to the Mitsubishi Dealer Link,MEDIC, or the Mitsubishi Service Information website (www.mitsubishitechinfo.com).

Copyright 2015, Mitsubishi Motors North America, Inc. continued

(4323)

SUBJECT:

MOTOR CONTROL UNIT (MCU) −SERVICE CAMPAIGN

No: SC−15−002

DATE: September, 2015

MODEL: 2012 i−MiEVCIRCULATE TO: [X] GENERAL MANAGER [X] PARTS MANAGER [X] TECHNICIAN

[X] SERVICE ADVISOR [X] SERVICE MANAGER [X] WARRANTY PROCESSOR [X] SALES MANAGER

PURPOSEDue to a manufacturing error, the electrical resistance of the insulated base inside the Motor Control Unit(MCU) may decrease and lead to unstable voltage within the circuit. This condition can result in reducedelectric motor power (turtle mode) and in the worst case, prevent the vehicle from being restarted or theMain Drive lithium−ion battery from being recharged.

This campaign bulletin instructs dealers to replace the MCU on all affected vehicles with acountermeasure unit.

AFFECTED VEHICLESCertain 2012 i−MiEVs built November 4, 2011 to May 8, 2012.

CUSTOMER NOTIFICATIONS

A letter will be sent to all owners of affected vehicles requesting they schedule an appointment with theirlocal Certified Mitsubishi i−MiEV dealer to have their vehicle remedied. A copy of the customer notificationletter appears at the end of this bulletin.

REQUIRED OPERATIONS

Repairs must be completed by a certified i−MiEV technician.

WARNING! Since this procedure involves the handling of high voltage components(330V), there is a possibility of electric leakage and/or risk of electric shock. Caution must beused to avoid serious injury, especially during removal, disassembly, or disconnection of thehigh voltage wiring (orange in color). Ensure the service plug is unplugged prior to working withthe high voltage wiring.

IMPORTANTAffected new or used inventory vehicles must be repaired before the vehicle is delivered.Dealers must check their inventory vehicles’ VINs on the Warranty Super Screen to verifywhether the vehicle is involved in this service action.

IMPORTANTPlease ensure the Main Drive battery is fully charged prior to vehicle delivery. This will limitcustomer inconvenience and maximize customer satisfaction.

SPECIAL EQUIPMENTThe following equipment is needed to remove and install the MCU and air bleed the radiatorcoolant:� Kit, OTC Hybrid Meter − 3990

� Gloves Set, Electric Insulated − MB99264801

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� Socket, Insulated − MB992337

� VCI (Vehicle Communication Interface) or VCI Lite − MB991824 or MB992744V.

� MEDIC Laptop/Tablet with A/C power adapter − 520924, or FZG1MK2.

� MUT−III main harness ’A’ (blue connector at the DLC end) − MB991910 or MB992745V.

� USB 2.0 cable − MB991827 or RRAR1MBR−108L.

MCU REPLACEMENT PROCEDURE

1. Partially discharge the Main Drive lithium−ion battery.

a. Set the electric motor switch to the “ON” position.Confirm the “READY” light is displayed. Set theheater to the highest temperature and the blowerspeed to MAX. Allow the battery to discharge untilthe power down warning light (turtle) is illuminatedon the gauge cluster.

b. Open the liftgate.

2. Set the electric motor switch to “LOCK” (Off). Wait one minute before proceeding to Step 3.

REMINDER: If not equipped with MMCS Navigation, please record all radio station presets andreprogram when repair is completed.

WARNING! To avoid causing any trouble to the electric motor unit components, do notdisconnect the 12V battery negative (−) terminal for one minute after turning off the electric motorswitch to “LOCK” (Off).

3. Open the hood. Remove the 12V battery cover anddisconnect the negative (−) terminal of the battery.Insulate disconnected negative (−) terminal post withelectrical tape.

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4. Slide the front driver side seat to its rearmost position.Reach under the seat and release the floor carpethook and loop fastener to expose the service lid.

5. Remove the two service lid thumb screws and theservice lid.

WARNING! Use the electric insulated gloves to protect from electric shock.

CAUTION! Prior to removing the service plug, wait five minutes or more afterdisconnecting the 12V battery negative (−) battery cable instructed in Step 3.6. Use the electric insulated gloves and pull up on the lever to remove the service plug.

Place the service plug in a secure location to prevent inadvertent reinstallation.

7. Apply duct tape over the terminal to prevent intrusion of foreign material.

Wing Nuts

8. Fold the rear seatbacks forward into the passengercompartment.

9. Remove and store the rear access cover.

10. Unscrew the four wing nuts from the power unitinspection lid and open the lid.

3

11. Remove the service lid (1) on the Motor Control Unit(MCU).

NOTE: The service lid o−ring (2) must be replaced.

NOTE: One bolt securing the center of the service lid (3) is a Torxbolt (T30).

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Front ofVehicle

12. Using a high voltage multimeter, ensure the measuredvoltage at the terminals shown in the picture, isapproximately 0V. If it is not approximately 0V, thenwait until the measurement is approximately 0V.

WARNING! Use the electric insulated gloves and socket to protect from electric shock.

13. Use the electric insulated gloves and insulated socketto remove the five cable mounting bolts from inside theMCU.

14. Use the electric insulated gloves and insulated socketto remove the eight outer cable mounting bolts fromthe rear of the MCU.

NOTE: Do not remove the five inner cable mounting bolts fromthe rear of the MCU.

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1

98

765

3

2

N

N 22 � 4 N�m16 � 2 ft−lb

7.0 � 3.0 N�m62 � 26 in−lb

22 � 4 N�m16 � 2 ft−lb

4N

7.0 � 3.0 N�m62 � 26 in−lb

7.0 � 3.0 N�m62 � 26 in−lb

6.0 � 2.0 N�m53 � 17 in−lb

7.0 � 3.0 N�m62 � 26 in−lb

5.5 � 1.5 N�m49 � 13 in−lb

7.0 � 3.0 N�m62 � 26 in−lb

FIGURE 1

A 10

WARNING! Be careful because the coolant may be hot.

CAUTION! Prior to radiator hose disconnection, place a clean container under thecoolant inlet/outlet to collect coolant spillage. Wipe clean any surface exposed to spilled coolant.Keep the coolant clean since it will be reused.

15. [Figure 1] Mark the radiator hose (7) clip location with a marker or tape. Place a hose clamp on thehose to prevent coolant leakage. Squeeze and reposition the hose clip further down the hose anddisconnect the hose.

16. Place a cap or plug over the MCU’s coolant inlet/outlet to prevent coolant spillage during MCUremoval.

17. [Figure 1] Mark the radiator hose (8) clip location with a marker or tape. Place a hose clamp on thehose to prevent coolant leakage. Squeeze and reposition the hose clip further down the hose anddisconnect the hose.

18. Place a cap or plug over the MCU’s coolant inlet/outlet to prevent coolant spillage during MCUremoval.

CAUTION! Prior to new MCU installation, ensure the area and the harness connectorsare clean and dry.

19. [Figure 1] Remove and replace the MCU (9) with the countermeasure part indicated in the PARTSINFORMATION section.

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NOTE: [Figure 1] Reinstall the ground bolt (10) where indicated.Ground bolt (left) is marked with an “E”.

NOTE: [Figure 1] During removal of the wiring harnessconnectors highlighted in section A, ensure the supportbracket is removed first to prevent damage to theconnectors and clips.

20. [Figure 1] Reinstall the radiator hoses (7) and (8), ensuring the hose clips are secured in the marked,original location. Remove the hose clamps from the radiator hoses.

WARNING! Use the electric insulated gloves and socket to protect from electric shock.

CAUTION! Prior to high voltage battery cable reinstallation, ensure the area is cleanand dry.

21. Use the electric insulated gloves and insulated socket to replace the two o−rings (P/N 9499A790 andP/N 9499A969) and reinstall the eight outer cable mounting bolts on the rear of the MCU. Torque to62 + 26 in−lb (7.0 + 3.0 N−m).

22. Use the electric insulated gloves and insulated socket to reinstall the five inner cable mounting boltsinside the MCU. Torque to 62 + 26 in−lb (7.0 + 3.0 N−m).

23. Remove the cap or plug from the old MCU’s coolant inlet/outlet and empty coolant into the coolantcontainer.

24. Replace MCU service lid o−ring (P/N 9499A797) and reinstall the service lid. Torque the torx bolt to53 + 17 in−lb (6.0 + 2.0 N−m) and the remaining 5 bolts to 62 + 26 in−lb (7.0 + 3.0 N−m).

WARNING! Use the electric insulated gloves to protect from electric shock.

25. Remove the tape covering the service plug terminal. Use the electric insulated gloves to reinstall theservice plug. Secure the service lid with the two thumbscrews and fasten the floor carpet to cover thearea.

26. Remove the tape from the negative (−) battery post and reinstall the negative (−) battery cable. Torquespecifications for the negative (−) terminal is 44 + 8 in−lb (5 + 1 N−m).

CAUTION! To prevent water pump damage, do not turn on the vehicle and engage“READY” mode until the coolant is refilled.

27. Refill the rear radiator condenser tank with the collected coolant until it reaches the “F” (Full) mark.

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VIN WRITING AND COOLANT SYSTEM BLEEDING PROCEDURE

Battery Charger

1. Attach a battery charger (with a charging rate not toexceed 10 amps) to the 12V battery.

NOTE: Ensure battery charger does not time outduring this procedure.

NOTE: Connect the positive (+) terminal of the 12Vbattery (1) to the positive (+) battery chargercable (2). Connect the negative (—) batterycharger cable (3) to the designated groundlocation (4).

2. Connect the equipment as follows:

� Turn the MEDIC PC/tablet on. If the battery indicator in the lower right hand corner of the screendoes not show a full charge, it is recommended that either the battery be charged prior tobeginning, or be used with the A/C power adaptor connected.

� Connect the USB cable to the VCI/VCI Lite.

� When the laptop/tablet displays the MUT−III main screen, connect the USB cable to the device.

� Connect the MUT−III main harness with the blue DLC connection to the VCI/VCI Lite.

� Connect the blue connection of the MUT−III main harness to the vehicle’s data link connector.

� Turn the VCI power switch ON . Verify that the indicator lamp in the upper right corner of the screenis green.

NOTE: VCI and MEDIC 3 Laptop shown for illustration purposes only

MEDIC−3 / MUT−IIIMAIN HARNESS

BLUE END

MEDIC 3 / MUT−III PCVCI\VCI Lite

USB CABLEVCI − LAPTOP

3. Set the electric motor switch to the “ON” position. Confirm the “READY” light is displayed. Turn offall electrical systems (exterior/interior lights, blower motor, radio, etc…).

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4. From the MUT−III menu, select “Special Function.”

5. Select “All DTCs.”

6. Select “Read all DTCs.”

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7. Ensure the vehicle information matches the vehiclebeing inspected. Select the “car” icon.

(1)

(2)

8. If the VIN listed does not match the vehicle beinginspected, click on the eraser icon at the bottom of thepage (1).

Click on the VIN button (2).

(1)

(2)

(3)

9. Click on the icon in the lower RH corner of the screento have the MUT−III automatically read the VIN (1). Ifa message appears saying that the VIN cannot beread automatically, manually type the 17 digit VIN intothe VIN field (2).

When the VIN is entered correctly, click on the checkmark icon to continue (3).

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(1)

(2)

10. Ensure the VIN entered is correct (1).

When prompted, select the appropriate transmission.

Click on the check mark icon to continue (2).

11. Click on the check mark icon at the bottom of the pageto initiate DTC scan.

Confirm scanning for all DTCs by clicking on the checkmark icon when prompted.

12. When the DTC scan completes, there may be 4 DTCsdisplayed with codes “U1111” and “U1116”. This isnormal. If there are separate DTCs displayed, troubleshoot the DTC’s according to the service manual.

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13. Return to the MUT−III menu.

14. Select “System select.”

15. Select “16. MCU.” Click on the check mark icon tocontinue.

16. Select “Coding.”

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17. Select “Chassis No./VIN Writing.”

18. Ensure the correct VIN is displayed.

Click on the check mark icon to begin VIN writing.When prompted, click on the check mark icon again toexecute VIN writing.

When VIN writing is complete, click on the check markicon to continue.

19. Return to the “System select” menu.

20. Select “11. EV−ECU.” Click on the check mark icon tocontinue.

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21. Select “Actuator Test.”

22. Select item “No. 3 Water pump actuate.”

Press the check mark icon to continue. This will initiatewater pump actuation in 20 seconds.

NOTE: If water pump actuation cannot be completed, or ifthe vehicle cannot enter “READY” mode, reset thesystem by setting the electronic motor switch to the“OFF” position and wait at least 60 seconds. Once60 seconds have elapsed, set the electric motorswitch to the “ON” position and confirm the vehiclecan be placed in “READY” mode.

Repeat the water pump actuation process startingfrom Step 20.

23. Within 20 seconds of performing Step 22, position yourself next to the rear radiator condenser tank.Once the 20 seconds have elapsed, the water pump will actuate for 4 seconds. Once the water pumpstops actuating, there will be a 30 second intermission until the water pump starts actuating again for4 seconds. During this 30 second intermission, fill the radiator condenser tank with coolant until itreaches the “F” (Full) mark.

24. Water pump actuation (4 seconds) and intermission (30 seconds) will cycle 11 more times (12 cyclestotal − approximately 7 minutes in length). Add coolant to the rear radiator condenser tank to the “F”(Full) mark during each intermission. When water pump actuation does not decrease the amount ofcoolant in the radiator condenser tank, you may stop the water pump actuation process by turningthe vehicle OFF.

NOTE: If coolant recovered from the old MCU is insufficient in filling the rear radiator condenser tank, procureadditional coolant as necessary.

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25. Select item “No. 9 Water pump actuate 2.”

Press the check mark icon to continue. This will initiatewater pump actuation.

NOTE: If water pump actuation cannot be completed, or ifthe vehicle cannot enter “READY” mode, reset thesystem by setting the electronic motor switch to the“OFF” position and wait at least 60 seconds. Once60 seconds have elapsed, set the electric motorswitch to the “ON” position and confirm the vehiclecan be placed in “READY” mode.

Repeat the water pump actuation process startingfrom Step 20 and skipping Steps 22 − 24.

26. Allow the water pump to operate for at least 1 minute. Then set the electric motor switch to the ”LOCK”(OFF) position to stop the water pump.

27. Check the coolant level in the rear radiator condenser tank:

NOTE: If coolant recovered from the old MCU is insufficient in filling the rear radiator condenser tank, procureadditional coolant as necessary.

a. If the coolant level is lower than the “L” (Low) mark, refill the coolant to the “F” (Full) mark andrepeat Steps 25 − 27.

b. If the coolant level is above the “L” (Low) mark, air bleeding is complete. Refill coolant to the “F”(Full) mark and secure the radiator condenser tank cap (ensure click is heard).

28. Ensure there is no coolant leaking from the vehicle.

29. Reinstall the 12V battery cover. Torque specifications is 35 + 8 in−lb (4.0 + 1.0 N−m).

30. Reinstall the power unit lid and rear access cover. Return the rear seatbacks to its original position.Set the clock. Fully charge the i−MiEV Main Drive lithium−ion battery. If not equipped with MMCSNavigation, set radio station presets previously noted before returning the vehicle to the customer.

PARTS INFORMATION

Use the genuine Mitsubishi Part listed below:

Description Part Number Quantity

Motor Control Unit, EV Kit 9410A092 1

Packing, EV Control Electrical (O−Ring) − MCU Service Lid 9499A797 1

Packing, EV Motor Cable Flange (O−Ring) − Electric Motor Cable 9499A969 Included in Kit9410A092

Packing, EV Control Electrical (O−Ring) − EV Battery Cable 9499A790 Included in Kit9410A092

DiaQueen SUPER LONG LIFE COOLANT PREMIUM or Equivalent MZ320125 As needed

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WARRANTY INFORMATIONThere is only 1 repair scenario for this campaign number.If involved in C1508E01

# CampaignOp#

Labor Time Repair Description Part Number

1 C1508E01 1.4 hrs Replace the motor control unit on involved vehicles only.

9410A092

9499A797

MZ320125

WARRANTY / RECALL CAMPAIGN CLAIM INFORMATIONEnter all claims as claim type ’C’ − Recall/Campaign Claims

Please follow the campaign instructions when entering each claim in order to select theapplicable operation code that correctly matches up with the work that was actually performed.A claim example is provided below.

Certain 2012 MY i−MiEV Models

Required Operation to be performed Labor Operation Labor Time1. 2012 MY i−MiEV Motor Control Unit − C1508E01 1.4 hrsClaim Header Section:

C1508E

Enter in the first 6 characters ofthe applicable campaign number: C1508E.

JA…………..….

15500

This campaign is for repairs to the motor control unit oncertain 2012 MY i−MiEVs.

Check the Open Campaign area of the Superscreen eachtime to be certain of a vehicle’s eligibility and what cam-paign number applies. Only i−MiEV VINs showing C1508Eas open are involved.

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After entering the required customer data, vehicle information, selecting the applicable repaircampaign and scenario performed (please note there is only 1 possible repair scenario), andthen hitting the “Save and Continue” button, the system will automatically fill−in several fields.

Labor and Parts:

There is only 1 repair scenario for this campaign. The Superscreen will show if a vehicle isinvolved in the specific campaign.

Campaign C1508E01 requires the motor control unit and the listed parts to be replaced andclaimed.

Parts: Only the parts shown may be claimed.

(Note: 9499A969 and 9499A790 are already included in Kit #9410A092 and should not beclaimed)

Labor:

Rental Cars:

If there is a need to provide the owner with a rental car, claim the applicable charges in thissection of the claim on the lower portion of the labor entry screen.

Replaced Parts Retention:

Retain all replaced parts for the standard parts retention holding period of 30 days past the endof month claim statement where the claim was shown as paid.

AFFECTED VEHICLESMODEL: 2012 i-MiEV

This notice applies to your vehicle, _________________.

Date: September, 2015

Re: Customer Satisfaction Campaign SC-15-002

Dear Mitsubishi Owner,

Mitsubishi Motors always strives to build vehicles with the highest level of quality, and continuously improvethat quality with every vehicle built. To help assure continued satisfaction with your Mitsubishi vehicle, weare recommending that the following product improvement be performed on certain 2012 i-MiEV vehiclesbuilt from November 4, 2011 to May 8, 2012.

Recommended Product Improvement:The Motor Control Unit (MCU) in your i−MiEV may contain certain internal components that were notmanufactured to factory specifications. This can lead to an unstable voltage within the circuit, potentiallyresulting in reduced electric motor power (turtle mode) during vehicle operation. In the worst casescenario, MCU related functions such as starting the vehicle and/or charging the Main Drive lithium−ionbattery may be prohibited.

What your dealer will do:Your local certified i-MiEV Mitsubishi dealer will replace the MCU, free of charge. This repair will takeapproximately 1.5 hours to complete. However, the dealer may need your vehicle for a longer period oftime due to scheduling. Every effort will be made to minimize your inconvenience.

What you should do:Please contact your local Certified i−MiEV Mitsubishi dealership to schedule an appointment. Althoughnot required, it is recommended to bring this letter when you take your vehicle into the dealership.

If you have any questions regarding this customer satisfaction campaign, please contact us:

Mitsubishi Customer Relations DepartmentP.O. Box 6400Cypress, CA 90630−0064Phone 1-888-648-7820Hours: Monday – Friday 7 a.m. – 4 p.m. Pacific Time

If you have already encountered a problem with the MCU and had it replaced as a result of this specificcondition and have paid for the repair, you may send your original repair order or invoice, and originalreceipt/proof of payment to the following address for reimbursement consideration:

Mitsubishi Customer Relations Department, P.O. Box 6400, Cypress, CA 90630-0064

We appreciate your prompt attention to this matter, and apologize for any inconvenience.

Sincerely,

Mitsubishi Motors North America, Inc. C1508E

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