Mitsubishi Montero (2002-2004). Manual - part 737

TSB Revision

DIAGNOSTIC TROUBLE CODE PROCEDURES

13Ac-645

STEP 13. Check for harness damage between accelerator 
pedal position sensor connector D-138 (terminal No. 8) and 
PCM connector D-135 (terminal No. 97).
Q: Is the harness wire in good condition?

YES : Go to Step 14.
NO :  Repair it. Then go to Step 17.

AK200945

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8

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7

AB

CONNECTOR: D-138

HARNESS 
CONNECTOR: 
COMPONENT SIDE

D-138(GR)

AK200947

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120

CONNECTOR: D-135

HARNESS CONNECTOR: 
COMPONENT SIDE

AB

PCM

D-135(GR)

TSB Revision

DIAGNOSTIC TROUBLE CODE PROCEDURES

13Ac-646

STEP 14. Check for harness damage between accelerator 
pedal position sensor connector D-138 (terminal No. 3) and 
PCM connector D-135 (terminal No. 114).
Q: Is the harness wire in good condition?

YES : Go to Step 15.
NO :  Repair it. Then go to Step 17.

AK200945

3

4

5

1

2

8

6

7

AB

CONNECTOR: D-138

HARNESS 
CONNECTOR: 
COMPONENT SIDE

D-138(GR)

AK200947

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CONNECTOR: D-135

HARNESS CONNECTOR: 
COMPONENT SIDE

AB

PCM

D-135(GR)

TSB Revision

DIAGNOSTIC TROUBLE CODE PROCEDURES

13Ac-647

STEP 15. Check for harness damage between accelerator 
pedal position sensor connector D-138 (terminal No. 6) and 
PCM connector D-135 (terminal No. 107).
Q: Is the harness wire in good condition?

YES : Go to Step 16.
NO :  Repair it. Then go to Step 17.

STEP 16. Using scan tool MB991502, read the diagnostic 
trouble code (DTC).

CAUTION

To prevent damage to scan tool MB991502, always turn the 
ignition switch to the "LOCK"(OFF) position before con-
necting or disconnecting scan tool MB991502.
(1) Connect scan tool MB991502 to the data link connector.
(2) Turn the ignition switch to the "ON" position.
(3) After the DTC has been deleted, read the DTC again.
(4) Turn the ignition switch to the "LOCK"(OFF) position.
Q: Is DTC P2138 set?

YES : Replace the PCM. Then go to Step 17.
NO :  It can be assumed that this malfunction is intermittent. 

Refer to GROUP 00, How to Use Troubleshooting/
Inspection Service Points 

P.00-6

.

AK200945

3

4

5

1

2

8

6

7

AB

CONNECTOR: D-138

HARNESS 
CONNECTOR: 
COMPONENT SIDE

D-138(GR)

AK200947

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114

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119

120

CONNECTOR: D-135

HARNESS CONNECTOR: 
COMPONENT SIDE

AB

PCM

D-135(GR)

ACX01539

16-PIN

MB991502

AC

TSB Revision

DIAGNOSTIC TROUBLE CODE PROCEDURES

13Ac-648

STEP 17. Using scan tool MB991502, read the diagnostic 
trouble code (DTC).
(1) Connect scan tool MB991502 to the data link connector.
(2) Turn the ignition switch to the "ON" position.
(3) After the DTC has been deleted, read the DTC again.
(4) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is DTC P2138 set?

YES : Retry the troubleshooting.
NO :  The inspection is complete.

ACX01539

16-PIN

MB991502

AC