Mitsubishi Montero (2002-2004). Manual - part 50

 

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Mitsubishi Montero (2002-2004). Manual - part 50

 

 

REAR AIR CONDITIONING DIAGNOSIS

TSB Revision

HEATER, AIR CONDITIONING AND VENTILATION

55A-63

NOTE: Also check intermediate connectors G-26-1, D-112, 
rear heater unit connectors G-26 and G-24. If intermediate con-
nector G-26-1, D-112, rear heater unit connector G-26 or G-24 
is damaged, repair or replace the connector as described in 
GROUP 00E, Harness Connector Inspection 

P.00E-2

.

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

connector E-20 (terminal 14, 6, 4, 7 and 8) and air mixing 
damper control motor and potentiometer G-26-2 
(terminal 2, 1, 5, 3 and 7) in good condition?
YES : 
Go to Step 10.
NO :  Repair the wiring harness. Check that the rear air 

conditioning works normally.

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

AC204197

CONNECTORS : G-24, G-26
 <VEHICLES WITH AIR 
     CONDITIONING SYSTEM>

AD

G-24

G-26

G-24

HARNESS SIDE

G-26

HARNESS SIDE

1

2

3

4

2

4 3

1

REAR AIR CONDITIONING DIAGNOSIS

TSB Revision

HEATER, AIR CONDITIONING AND VENTILATION

55A-64

STEP 10. Measure the voltage at rear A/C unit connector G-
24. 
(1) Disconnect rear A/C unit connector G-24, and measure the 

voltage at the harness side.

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

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

• The measured value should be approximately 12 volts 

(battery positive voltage).

Q: Does the measured voltage correspond with this range?

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

STEP 11. Check rear A/C unit connector G-24 for damage.
Q: Is rear A/C unit connector G-24 in good condition?

YES : Go to Step 12.
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-24

AQ

HARNESS SIDE

1

2

3

4

AC204738

HARNESS SIDE : G-24

CP

1

2

3

4

AC204179

CONNECTOR : G-24

AQ

HARNESS SIDE

1

2

3

4

REAR AIR CONDITIONING DIAGNOSIS

TSB Revision

HEATER, AIR CONDITIONING AND VENTILATION

55A-65

STEP 12. Check the wiring harness between rear A/C unit 
connector G-24 (terminal 2) and the ignition switch (IG2).

AC204179

CONNECTOR : G-24

AQ

HARNESS SIDE

1

2

3

4

REAR AIR CONDITIONING DIAGNOSIS

TSB Revision

HEATER, AIR CONDITIONING AND VENTILATION

55A-66

NOTE: Also check intermediate connector D-112, joint connec-
tor (6) D-01, junction block connectors D-210 and D-208. If 
intermediate connector D-112, joint connector (6) D-01, junc-
tion block connectors D-210 and D-208 is damaged, repair or 
replace the connector 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 2) and the ignition switch (IG2) 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.

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

AC204170

CONNECTOR: D-01

AB

9 10

8

6 7

31 32

30

29

18 19 20 21

5

4

2

1

3

27

26

24

23

25

12 13 14 15 16 17

28

11
22
33

AC204191

CONNECTORS: D-208, D-210

D-208

AC

HARNESS SIDE

HARNESS SIDE

D-210

D-208

D-210

1

2

3

5

6

4

1

2

7 6

3

9

4

11

12

10

13

5

8

 

 

 

 

 

 

 

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