Mitsubishi Montero (2004+). Manual — part 655
AUTO A/C DIAGNOSIS
TSB Revision
AUTOMATIC AIR CONDITIONING
55B-109
STEP 19. Check the rear window defogger switch.
There should be continuity between terminals 6 and 13 while
the rear window defogger switch is pushed.
Q: Is the check result normal?
YES : Replace the A/C-ECU. Check that the defogger
system works normally.
NO : Replace the automatic air-conditioning control panel.
Check that the defogger system works normally.
AC205403
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
AE
AUTO A/C DIAGNOSIS
TSB Revision
AUTOMATIC AIR CONDITIONING
55B-110
INSPECTION PROCEDURE 9: Condenser Fan does not Operate.
FUSIBLE
LINK
IGNITION
SWITCH (IG1)
JUNCTION
BLOCK
RELAY
BOX
CONDENSER
FAN CONTROL
RELAY
CONDENSER
FAN MOTOR
POWERTRAIN
CONTROL
MODULE
JOINT
CONNECTOR (3)
JOINT
CONNECTOR (1)
JOINT
CONNECTOR (2)
2
Condenser Fan Motor Circuit
AUTO A/C DIAGNOSIS
TSB Revision
AUTOMATIC AIR CONDITIONING
55B-111
DIAGNOSIS
Required Special Tool:
• MB991223: Test Harness Set
AC204167
CONNECTORS : A-03, A-15,
A-16, A-17, A-26
BB
A-03(B)
A-15
A-16
A-17(GR)
A-26(B)
AC204183
CONNECTOR : A-09X
AR
AC204170
CONNECTOR : D-28
BB
AC204171 BA
D-132(GR)
CONNECTOR : D-132
AC204173
CONNECTORS : D-208, D-210
BF
D-208
D-210
AUTO A/C DIAGNOSIS
TSB Revision
AUTOMATIC AIR CONDITIONING
55B-112
STEP 1. Check the powertrain control module.
(1) Disconnect powertrain control module connector D-132.
(2) Turn the ignition switch to the "ON" position.
(3) Ground harness-side powertrain control module connector
D-132 (terminal 17).
(4) The condenser fan motor should run.
Q: Is the check result normal?
YES : Replace the powertrain control module. Check that
the condenser motor works normally.
NO : Go to Step 2.
STEP 2. Check the condenser fan control relay continuity.
Follow the table below to check the condenser fan control relay
for continuity.
Q: Is the condenser fan control relay in good condition?
YES : Go to Step 3.
NO : Replace the A/C compressor relay. Check that the
condenser motor works normally.
AC204171
CONNECTOR : D-132
D-132(GR)
D-132(GR)
AS
HARNESS SIDE
8
23
1110
24
9
6
22
7
16
17
15
3
4
1312
19
20
2726
2
1
5
14
21
25
18
AC205177
8
23
1110
24
9
6
22
7
16
17
15
3
4
13 12
19
20
27 26
2
1
5
14
21
25
18
HARNESS SIDE : D-132
AB
BATTERY VOLTAGE
TESTER
CONNECTION
SPECIFIED
CONDITION
Not applied
4
− 5
Open circuit
• Connect terminal 3 to
the positive battery
terminal
• Connect terminal 1 to
the negative battery
terminal
4
− 5
Less than 2
ohms
AC204715
3
1
4
5
AF
BATTERY
CONDENSER
FAN CONTROL
RELAY
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