Mitsubishi Montero (2004+). Manual — part 608
REAR AIR CONDITIONING DIAGNOSIS
TSB Revision
HEATER, AIR CONDITIONING AND VENTILATION
55A-75
STEP 8. Measure the voltage at rear blower relay
connector D-213.
(1) Disconnect rear blower relay connector D-213, and
measure the voltage at the junction block side.
(2) Measure the voltage between terminal 5 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 11.
NO : Go to Step 9.
STEP 9. Check rear blower relay connector D-213 for
damage.
Q: Is rear blower relay connector D-213 in good condition?
YES : Go to Step 10.
NO : Repair or replace the connector. Refer to GROUP
00E, Harness Connector Inspection
blower motor should operate normally.
STEP 10. Check the wiring harness between rear blower
relay connector D-213 (terminal 5) and the fusible link (2).
AC204173
CONNECTOR : D-213
AY
JUNCTION
BLOCK SIDE
2 1
5
4
3
AC204738
HARNESS SIDE : D-213
CS
2 1
5
4
3
AC204173
CONNECTOR : D-213
AY
JUNCTION
BLOCK SIDE
2 1
5
4
3
AC204173
CONNECTOR : D-213
AY
JUNCTION
BLOCK SIDE
2 1
5
4
3
REAR AIR CONDITIONING DIAGNOSIS
TSB Revision
HEATER, AIR CONDITIONING AND VENTILATION
55A-76
NOTE: Also check intermediate connector D-28. If intermediate
connector D-28 is damaged, repair or replace the connector as
described in GROUP 00E, Harness Connector Inspection
.
Q: Is the wiring harness between rear blower relay
connector D-213 (terminal 5) and the fusible link (2) in
good condition?
YES : The rear blower motor should operate normally.
NO : Repair the wiring harness. The rear blower motor
should operate normally.
STEP 11. Measure the resistance at rear blower relay
connector D-213.
(1) Disconnect connector D-213, and measure the resistance
at the junction block side.
(2) Turn the rear fan switch to the "ON" position.
(3) Turn the rear fan control switch to the "OFF" position.
(4) Measure the resistance value between terminal 3 and
ground.
• Less than 2 ohms
Q: Does the measured resistance value correspond with
this range?
YES : Go to Step 20.
NO : Go to Step 12.
AC204170
CONNECTOR : D-28
AI
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
AC204173
CONNECTOR : D-213
AY
JUNCTION
BLOCK SIDE
2 1
5
4
3
AC204738 CI
JUNCTION BLOCK SIDE : D-213
2 1
5
4
3
REAR AIR CONDITIONING DIAGNOSIS
TSB Revision
HEATER, AIR CONDITIONING AND VENTILATION
55A-77
STEP 12. Measure the resistance at rear fan control switch
connector E-12.
(1) Disconnect connector E-12, and measure the resistance at
the wiring harness side.
(2) Turn the ignition switch to the "ON" position.
(3) Measure the resistance value between terminal 2 and
ground.
• Less than 2 ohms
Q: Does the measured resistance value correspond with
this range?
YES : Go to Step 13.
NO : Go to Step 15.
STEP 13. Check rear fan switch connector E-12 and rear
blower relay connector D-213 for damage.
Q: Is rear fan switch connector E-12 and rear blower relay
connector D-213 in good condition?
YES : Go to Step 14.
NO : Repair or replace the connector. Refer to GROUP
00E, Harness Connector Inspection
blower motor should operate normally.
AC204176
CONNECTOR : E-12
AX
HARNESS SIDE
1
4
2
3
5
6
AC204738 CJ
HARNESS SIDE : E-12
1
4
2
3
5
6
AC204173
CONNECTOR : D-213
AY
JUNCTION
BLOCK SIDE
2 1
5
4
3
AC204176
CONNECTOR : E-12
AX
HARNESS SIDE
1
4
2
3
5
6
REAR AIR CONDITIONING DIAGNOSIS
TSB Revision
HEATER, AIR CONDITIONING AND VENTILATION
55A-78
STEP 14. Check the wiring harness between rear blower
relay connector D-213 (terminal 3) and rear fan control
switch connector E-12 ((terminal 1).
NOTE: Also check intermediate connector E-06. If intermediate
connector E-06 is damaged, repair or replace the connector as
described in GROUP 00E, Harness Connector Inspection
.
Q: Is the wiring harness between rear blower relay
connector D-213 (terminal 3) and rear fan control switch
connector E-12 ((terminal 1) in good condition?
YES : The rear blower motor should operate normally.
NO : Repair the wiring harness. The rear blower motor
should operate normally.
AC204173
CONNECTOR : D-213
AY
JUNCTION
BLOCK SIDE
2 1
5
4
3
AC204194
CONNECTORS : E-06, E-12
AO
E-06
E-06
E-12
E-12
HARNESS SIDE
1
4
2
3
5
6
22
2021
10
9
8
1718
6 7
19
1415
4 5
1112
1 2 3
13
16
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