Mitsubishi Montero (2004+). Manual - part 606

REAR AIR CONDITIONING DIAGNOSIS

TSB Revision

HEATER, AIR CONDITIONING AND VENTILATION

55A-67

NOTE: Also check intermediate connector G-26-1. If intermedi-
ate connector G-26-1 is damaged, repair or replace the con-
nector as described in GROUP 00E, Harness Connector 
Inspection 

P.00E-2

.

Q: Is the wiring harness between rear A/C unit connector 

G-24 (terminal 4 and 8) and air thermo sensor connector 
G-26-3 (terminal 1 and 2) in good condition?
YES : Go to Step 19.
NO :  Repair the wiring harness. Check that the rear air 

conditioning works normally.

STEP 19. Check rear A/C unit connector G-24 and rear A/C 
control unit connector E-20 for damage.

Q: Is rear A/C unit connector G-24 and rear A/C control unit 

connector E-20 in good condition?
YES : Go to Step 20.
NO :  Repair or replace the connector. Refer to GROUP 

00E, Harness Connector Inspection 

P.00E-2

. Check 

that the rear air conditioning works normally.

AC204699

CONNECTORS : G-26-1, G-26-3

AO

G-26-1

G-26-3

G-26-1

G-26-3

HARNESS SIDE

8

4

7

3

5

1

6

2

1
2

AC204179

CONNECTOR : G-24

AQ

HARNESS SIDE

1

2

3

4

AC204176

CONNECTOR : E-20

AY

HARNESS SIDE

7

8

3

10 9

2

4

11

1312

5

14

6

1

REAR AIR CONDITIONING DIAGNOSIS

TSB Revision

HEATER, AIR CONDITIONING AND VENTILATION

55A-68

STEP 20. Check the wiring harness between rear A/C unit 
connector G-24 (terminal 1, 3 and 4) and rear A/C control 
unit connector E-20 (terminal 1, 12 and 8).

NOTE: Also check intermediate connector D-112. If intermedi-
ate connector D-112 is damaged, repair or replace the connec-
tor as described in GROUP 00E, Harness Connector 
Inspection 

P.00E-2

.

Q: Is the wiring harness between rear A/C unit connector 

G-24 (terminal 1, 3 and 4) and rear A/C control unit 
connector E-20 (terminal 1, 12 and 8) in good condition?
YES : Check that the rear air conditioning works normally.
NO :  Repair the wiring harness. Check that the rear air 

conditioning works normally.

AC204179

CONNECTOR : G-24

AQ

HARNESS SIDE

1

2

3

4

AC204176

CONNECTOR : E-20

AY

HARNESS SIDE

7

8

3

10 9

2

4

11

1312

5

14

6

1

AC204171 AL

CONNECTOR : D-112

2 3

27

32

28

33

16

15

4 5

19

18

29

17

34

7 8

35

22

21

9 10

30

36

31

37

25

24

23

6

20

1

14

26

11

13

12

38

REAR AIR CONDITIONING DIAGNOSIS

TSB Revision

HEATER, AIR CONDITIONING AND VENTILATION

55A-69

INSPECTION PROCEDURE 5: Rear Blower Motor does not Operate

Rear A/C Blower Motor Circuit

REAR AIR CONDITIONING DIAGNOSIS

TSB Revision

HEATER, AIR CONDITIONING AND VENTILATION

55A-70

AC204170

CONNECTORS : D-01, D-28, D-30

EF

D-01

D-30

D-28

AC204171

CONNECTOR : D-112

AU

AC204173 BK

D-210

D-213

D-208

CONNECTORS : D-208, D-210, D-213

AC204176

CONNECTORS : E-06, E-12

BK

E-06

E-12

AC204175

CONNECTORS : E-17, E-21, E-22

AL

E-17, E-21, E-22

AC204179

CONNECTORS : G-06, G-22

AY

G-06
G-22