Mitsubishi Montero (2004+). Manual - part 601

REAR AIR CONDITIONING DIAGNOSIS

TSB Revision

HEATER, AIR CONDITIONING AND VENTILATION

55A-47

STEP 13. Check the wiring harness between rear cooler 
unit connector G-13 (terminal 1 and 2) and magnetic valve 
connector G-13-2 (terminal 1 and 2).

NOTE: Also check intermediate connector G-13-1. If intermedi-
ate connector G-13-1 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 cooler unit 

connector G-13 (terminal 1 and 2) and magnetic valve 
connector G-13-2 (terminal 1 and 2) in good condition?
YES : Go to Step 14.
NO :  Repair the wiring harness. Check that the rear air 

conditioning works normally.

AC204179

CONNECTOR : G-13

AO

HARNESS SIDE

1

2

3

4

AC204699

CONNECTORS : G-13-1, G-13-2

AE

G-13-1

G-13-2

G-13-1

G-13-2

HARNESS SIDE

<VEHICLES WITH REAR COOLER>

2 1

8

4

7

3

5

1

6

2

REAR AIR CONDITIONING DIAGNOSIS

TSB Revision

HEATER, AIR CONDITIONING AND VENTILATION

55A-48

STEP 14. Check rear cooler unit connector G-13 and air 
thermo sensor connector G-13-3 for damage.

Q: Is rear cooler unit connector G-13 and air thermo sensor 

connector G-13-3 in good condition?
YES : Go to Step 15.
NO :  Repair or replace the connector. Refer to GROUP 

00E, Harness Connector Inspection 

P.00E-2

. Check 

that the rear air conditioning works normally.

AC204179

CONNECTOR : G-13

AO

HARNESS SIDE

1

2

3

4

AC204698

CONNECTOR : G-13-3

AD

HARNESS SIDE

1
2

REAR AIR CONDITIONING DIAGNOSIS

TSB Revision

HEATER, AIR CONDITIONING AND VENTILATION

55A-49

STEP 15. Check the wiring harness between rear cooler 
unit connector G-13 (terminal 4 and 3) and air thermo 
sensor connector G-13-3 (terminal 1 and 2).

NOTE: Also check intermediate connector G-13-1. If intermedi-
ate connector G-13-1 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 cooler unit 

connector G-13 (terminal 4 and 3) and air thermo sensor 
connector G-13-3 (terminal 1 and 2) in good condition?
YES : Go to Step 16.
NO :  Repair the wiring harness. Check that the rear air 

conditioning works normally.

AC204179

CONNECTOR : G-13

AO

HARNESS SIDE

1

2

3

4

AC204699

CONNECTORS : G-13-1, G-13-3

AF

G-13-1

G-13-3

G-13-1

G-13-3

HARNESS SIDE

<VEHICLES WITH REAR COOLER>

8

4

7

3

5

1

6

2

1
2

REAR AIR CONDITIONING DIAGNOSIS

TSB Revision

HEATER, AIR CONDITIONING AND VENTILATION

55A-50

STEP 16. Check rear cooler unit connector G-13 and rear 
cooler control unit connector E-09 for damage.

Q: Is rear cooler unit connector G-13 and rear cooler 

control unit connector E-09 in good condition?
YES : Go to Step 17.
NO :  Repair or replace the connector. Refer to GROUP 

00E, Harness Connector Inspection 

P.00E-2

. Check 

that the rear air conditioning works normally.

STEP 17. Check the wiring harness between rear cooler 
unit connector G-13 (terminal 1, 4 and 3) and rear cooler 

control unit connector E-09 (terminal 1, 8 and 12).

AC204176

CONNECTOR : E-09

AW

7

8

3

10 9

2

4

11

1312

5

14

6

1

HARNESS SIDE

AC204179

CONNECTOR : G-13

AO

HARNESS SIDE

1

2

3

4

AC204176

CONNECTOR : E-09

AW

7

8

3

10 9

2

4

11

1312

5

14

6

1

HARNESS SIDE

AC204179

CONNECTOR : G-13

AO

HARNESS SIDE

1

2

3

4