Mitsubishi Montero (2002-2004). Manual — part 46
REAR AIR CONDITIONING DIAGNOSIS
TSB Revision
HEATER, AIR CONDITIONING AND VENTILATION
55A-47
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 or D-208 is damaged, repair or
replace the connector as described in GROUP 00E, Harness
Connector Inspection
.
Q: Is the wiring harness between rear cooler unit
connector G-13 (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
REAR AIR CONDITIONING DIAGNOSIS
TSB Revision
HEATER, AIR CONDITIONING AND VENTILATION
55A-48
STEP 10. Check the air thermo sensor.
When the resistance between the sensor terminals is mea-
sured at two or more temperature conditions, the resistance
should satisfy the value shown in the illustration.
NOTE: The temperature condition at the check shall be within
the range shown in the characteristic diagram.
Q: Does air thermo sensor work normally?
YES : Go to Step 11.
NO : Replace the air thermo sensor.
STEP 11. Check the expansion valve (magnet valve).
The valve is in normal condition if the actuation sound is heard
from the magnet valve when battery voltage is applied to mag-
net valve terminal 1 and terminal 2 is grounded.
Q: Does expansion valve work normally?
YES : Go to Step 12.
NO : Replace the expansion valve (magnet valve).
STEP 12. Check rear cooler unit connector G-13 and
magnetic valve connector G-13-2 for damage.
Q: Is rear cooler unit connector G-13 and magnetic valve
connector G-13-2 in good condition?
YES : Go to Step 13.
NO : Repair or replace the connector. Refer to GROUP
00E, Harness Connector Inspection
that the rear air conditioning works normally.
AC001043
RESISTANCE k
Ω
8
6
4
2
0
-10
0
10
20
30
40
TEMPERATURE ˚C(˚F)
AB
(14)
(32)
(50)
(86)
(104)
(68)
1 2
AC102582
AC204179
CONNECTOR : G-13
AO
HARNESS SIDE
1
2
3
4
AC204698
CONNECTOR : G-13-2
AC
HARNESS SIDE
2 1
REAR AIR CONDITIONING DIAGNOSIS
TSB Revision
HEATER, AIR CONDITIONING AND VENTILATION
55A-49
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
.
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-50
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
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
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