Mitsubishi Montero (2002-2004). Manual — part 921

DIAGNOSTIC TROUBLE CODE PROCEDURES <AUTOMATIC TRANSMISSION>

TSB Revision

DIAGNOSTIC TROUBLE CODE PROCEDURES

23Ac-167

STEP 10. Check the harness for an open circuit or short
circuit to ground between A/T control solenoid valve
assembly connector C-03 terminal 9 and A/T control relay
connector D-13 terminal 3.
Q: Is the harness wire in good condition?

YES : Go to Step 11.
NO : Repair or replace the harness wire.

AC204395

CONNECTOR : C-03

AE

C-03 (B)

6

10

4

9

5

3

8

2

7

1

AC204750

CONNECTOR : D-13

AB

PCM

1
3 4

2

DIAGNOSTIC TROUBLE CODE PROCEDURES <AUTOMATIC TRANSMISSION>

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DIAGNOSTIC TROUBLE CODE PROCEDURES

23Ac-168

STEP 11. Check A/T control solenoid valve assembly
connector C-03, PCM connector D-136 and intermediate
connector E-114 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 12.
NO : Repair or replace the damaged components. Refer to

GROUP 00E, Harness Connector Inspection

P.00E-

2

.

AC204395

CONNECTOR : C-03

AE

C-03 (B)

6

10

4

9

5

3

8

2

7

1

AC204681AD

CONNECTOR: D-136

D-136 (GR)

121 122

123

124

125 126 127 128 129 130

131 132

133

134 135

136 137 138

139 140

141

142 143

144

145

146

AC204176

CONNECTOR : E-114

BD

38

28

16

33

22

10

31

19

7

1

18

30

29

17

5

6

21

20

32

8

2

9

25

13

3

24

23

3435

1112

27

26

3637

14

4

15

DIAGNOSTIC TROUBLE CODE PROCEDURES <AUTOMATIC TRANSMISSION>

TSB Revision

DIAGNOSTIC TROUBLE CODE PROCEDURES

23Ac-169

STEP 12. Check the harness for an open or short circuit to
ground between A/T control solenoid valve assembly
connector C-03 (terminals 3, 4 and 5) and PCM connector
D-136 (terminals 136, 137 and 138).
Q: Are the harness wires in good condition?

YES : Go to Step 13.
NO : Repair or replace the harness wire(s).

AC204395

CONNECTOR : C-03

AE

C-03 (B)

6

10

4

9

5

3

8

2

7

1

AC204681AD

CONNECTOR: D-136

D-136 (GR)

121 122

123

124

125 126 127 128 129 130

131 132

133

134 135

136 137 138

139 140

141

142 143

144

145

146

DIAGNOSTIC TROUBLE CODE PROCEDURES <AUTOMATIC TRANSMISSION>

TSB Revision

DIAGNOSTIC TROUBLE CODE PROCEDURES

23Ac-170

STEP 13. Check the harness for an open or short circuit to
ground between A/T control solenoid valve assembly
connector C-03 (terminals 3, 4, 5, and 9) and solenoid valve
connectors C-03-1, C-03-2 and C-03-3.
Q: Is the harness wire in good condition?

YES : Replace the PCM.
NO : Replace the harness wire.

AC204395

CONNECTOR : C-03

AE

C-03 (B)

6

10

4

9

5

3

8

2

7

1

AC204749

1
2

CONNECTORS : C-03-1, C-03-2, C-03-3

C-03-1

C-03-1

1
2

C-03-2

1
2

C-03-3

C-03-2

C-03-3

AB