Mitsubishi Montero Sport (2004+). Manual - part 690

 

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Mitsubishi Montero Sport (2004+). Manual - part 690

 

 

AUTOMATIC TRANSMISSION DIAGNOSIS

TSB Revision

AUTOMATIC TRANSMISSION

23A-325

STEP 4. Measure the supply voltage at A/T control relay 
connector C-97.

(1) Disconnect the A/T control relay and measure at the 

harness side.

(2) Measure the voltage between terminal 1 and ground.

• The measured voltage should equal battery positive 

voltage.

Q: Is the measured voltage equal to battery positive 

voltage?
YES : 
Go to Step 7.
NO :  Go to Step 5.

STEP 5. Check junction block connectors D-09 and D-02 
for loose, corroded or damaged terminals, or terminals 
pushed back in the connector.

Q: Are the connectors and terminals in good condition?

YES : Go to Step 6.
NO :  Repair or replace the damaged components. Refer to 

GROUP 00E, Harness Connector Inspection 

P.00E-2

.

AC202440

1
3 4

2

CONNECTOR: C-97

AB

C-97

AC100560

1

2

3

4

C-97 HARNESS CONNECTOR:
COMPONENT SIDE 

AD

AC202390

JUNCTION BLOCK (FRONT)

1

D-02 (GR)

AB

CONNECTOR: D-02

AC202391

JUNCTION BLOCK (REAR)

7 8

2

3

6

5

1

4

CONNECTOR: D-09

D-09

AB

AUTOMATIC TRANSMISSION DIAGNOSIS

TSB Revision

AUTOMATIC TRANSMISSION

23A-326

STEP 6. Check the harness for open circuit or short circuit 
to ground between A/T control relay connector C-97 
terminal 1 and fusible link.

Q: Is the harness wire in good condition?

YES : Go to Step 17.
NO :  Repair or replace the harness wire.

STEP 7. Measure the resistance at A/T control relay 
connector C-97.

(1) Disconnect the A/T control relay and measure at the 

harness side.

(2) Measure the resistance between terminal 2 and ground.

• The resistance should measure less than 2 ohms.

Q: Is the measured resistance less than 2 ohms?

YES : Go to Step 9.
NO :  Go to Step 8.

STEP 8. Check the harness for open circuit or damage 
between A/T control relay connector C-97 terminal 2 and 
ground.

Q: Is the harness wire in good condition?

YES : Go to Step 17.
NO :  Repair or replace the harness wire.

AC202440

1
3 4

2

CONNECTOR: C-97

AB

C-97

AC202440

1
3 4

2

CONNECTOR: C-97

AB

C-97

AC100561

1

2

3

4

C-97 HARNESS CONNECTOR:
COMPONENT SIDE

AD

AC202440

1
3 4

2

CONNECTOR: C-97

AB

C-97

AUTOMATIC TRANSMISSION DIAGNOSIS

TSB Revision

AUTOMATIC TRANSMISSION

23A-327

STEP 9. Measure the control voltage to A/T control relay 
connector C-97.

(1) Disconnect the A/T control relay and measure at the 

connector side.

(2) Turn the ignition switch to the "ON" position.

(3) Measure the voltage between terminal 4 and ground.

•  The measured voltage should equal battery positive 

voltage.

(4) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the measured voltage equal to battery positive 

voltage?
YES : 
Go to Step 14.
NO :  Go to Step 10.

AC202440

1
3 4

2

CONNECTOR: C-97

AB

C-97

AC100562

1

2

3

4

C-97 HARNESS CONNECTOR:
COMPONENT SIDE 

AD

AUTOMATIC TRANSMISSION DIAGNOSIS

TSB Revision

AUTOMATIC TRANSMISSION

23A-328

STEP 10. Measure the supply voltage at PCM connector 
C-90 by backprobing.

(1) Do not disconnect connector C-90.
(2) Turn the ignition switch to the "ON" position.

(3) Measure the voltage between terminal 50 and ground by 

backprobing.

•  The measured voltage should equal battery positive 

voltage.

(4) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the measured voltage equal to battery positive 

voltage?
YES : 
Go to Step 11.
NO :  Go to Step 13.

PCM

60

46

66

57

45

44

64

55 56

65

62 63

52 53

5051

61

42

59

48

41
47
58

43
49

54

AC202313

C-90 (GR)

AB

CONNECTOR: C-90

C-90 (GR)

AC002010 AJ

C-90  HARNESS CONNECTOR:
HARNESS SIDE

 

 

 

 

 

 

 

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