Mitsubishi Montero (2004+). Manual — part 656
AUTO A/C DIAGNOSIS
TSB Revision
AUTOMATIC AIR CONDITIONING
55B-113
STEP 3. Measure the voltage at condenser motor
connector A-26.
(1) Disconnect A/C compressor connector A-26 and measure
the voltage at the harness side.
(2) Disconnect powertrain control module connector D-132.
(3) Turn the ignition switch to the "ON" position.
(4) Ground powertrain control module connector D-132
(terminal 17).
(5) Measure the voltage between terminal 1 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 14.
NO : Go to Step 4.
AC204167
CONNECTOR : A-26
AX
A-26(B)
A-26(B)
1
2
HARNESS SIDE
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
AC204738 CX
HARNESS SIDE : A-26
1
2
AUTO A/C DIAGNOSIS
TSB Revision
AUTOMATIC AIR CONDITIONING
55B-114
STEP 4. Measure the voltage at condenser fan control
relay connector A-09X.
(1) Disconnect condenser fan control relay connector A-09X
and measure the voltage at the relay box side.
(2) Turn the ignition switch to the "ON" position.
(3) Measure the voltage between terminal 3 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 7.
NO : Go to Step 5.
STEP 5. Check condenser fan control relay connector
A-09X for damage.
Q: Is condenser fan control relay connector A-09X in good
condition?
YES : Go to Step 6.
NO : Repair or replace the connector. Refer to GROUP
00E, Harness Connector Inspection
that the condenser motor works normally.
STEP 6. Check the wiring harness between condenser fan
control relay connector A-09X (terminal 3) and the ignition
switch (IG1).
AC204183
CONNECTOR : A-09X
AO
2 1
5
4
3
RELAY BOX SIDE
AC204738 CD
RELAY BOX SIDE : A-09X
2 1
5
4
3
AC204183
CONNECTOR : A-09X
AO
2 1
5
4
3
RELAY BOX SIDE
AC204183
CONNECTOR : A-09X
AO
2 1
5
4
3
RELAY BOX SIDE
AUTO A/C DIAGNOSIS
TSB Revision
AUTOMATIC AIR CONDITIONING
55B-115
NOTE: Also check intermediate connector D-28, joint connec-
tor (2) A-15, junction block connectors D-210 and D-208. If
intermediate connector D-28, joint connector (2) A-15, junction
block connectors D-210 or D-208 is damaged, repair or replace
the connector as described in GROUP 00E, Harness Connec-
tor Inspection
.
Q: Is the wiring harness between condenser fan control
relay connector A-09X (terminal 3) and the ignition
switch (IG1) in good condition?
YES : Check that the air conditioning works normally.
NO : Repair the wiring harness. Check that the air
conditioning works normally.
AC204167
CONNECTOR : A-15
AD
14
13
4
1112
5
3
10
8 9
2
7
1
6
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
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
AUTO A/C DIAGNOSIS
TSB Revision
AUTOMATIC AIR CONDITIONING
55B-116
STEP 7. Measure the voltage at condenser fan control
relay connector A-09X.
(1) Disconnect condenser fan control relay connector A-09X
and measure the voltage at the relay box 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 10.
NO : Go to Step 8.
STEP 8. Check condenser fan control relay connector
A-09X for damage.
Q: Is condenser fan control relay connector A-09X in good
condition?
YES : Go to Step 9.
NO : Repair or replace the connector. Refer to GROUP
00E, Harness Connector Inspection
that the air conditioning works normally.
STEP 9. Check the wiring harness between condenser fan
control relay connector A-09X (terminal 5) and the fusible
link (1).
AC204183
CONNECTOR : A-09X
AO
2 1
5
4
3
RELAY BOX SIDE
AC204738 CU
RELAY BOX SIDE : A-09X
2 1
5
4
3
AC204183
CONNECTOR : A-09X
AO
2 1
5
4
3
RELAY BOX SIDE
AC204183
CONNECTOR : A-09X
AO
2 1
5
4
3
RELAY BOX SIDE
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