Mitsubishi Outlander (2003+). Manual — part 560
TROUBLESHOOTING
AUTOMATIC AIR CONDITIONER
55B-55
STEP 27. Check the wiring harness between
C-141 engine-ECU connector terminal No.78 and
C-26 A/C-ECU connector terminal No.32.
NOTE: Prior to the wiring harness inspection, check
intermediate connector C-104, and repair if
necessary.
•
Check the communication line for open circuit.
Q: Is the check result normal?
YES :
Go to Step 28.
NO :
Repair the wiring harness.
STEP 28. Check the wiring harness between
C-141 engine-ECU connector terminal No.69 and
C-26 A/C-ECU connector terminal No.34.
NOTE: Prior to the wiring harness inspection, check
intermediate connector C-104, and repair if
necessary.
•
Check the communication line for open circuit.
Q: Is the check result normal?
YES :
Replace the A/C-ECU or engine-ECU.
NO :
Repair the wiring harness.
AC308719
Connectors: C-26, C-104, C-141 <LHD>
C-141
AQ
Harness side
C-141 (GR)
C-26 (B)
29
21
35
27
24
323130
22
23
33
25
34
26
36
28
C-26
Harness side
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
C-104 (B)
C-104
22
9
14
15
2 1
3
16
1918
5 4
17
6
21
7
20
8
25
12
10
23
11
24
26
13
JAE-E
AC308736
Connectors: C-26, C-104, C-141 <RHD>
C-141
AW
Harness side
C-141 (GR)
C-26 (B)
29
21
35
27
24
323130
22
23
33
25
34
26
36
28
C-26
Harness side
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
C-104 (B)
C-104
22
9
14
15
2 1
3
16
1918
5 4
17
6
21
7
20
8
25
12
10
23
11
24
26
13
JAE-E
AC308719
Connectors: C-26, C-104, C-141 <LHD>
C-141
AQ
Harness side
C-141 (GR)
C-26 (B)
29
21
35
27
24
323130
22
23
33
25
34
26
36
28
C-26
Harness side
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
C-104 (B)
C-104
22
9
14
15
2 1
3
16
1918
5 4
17
6
21
7
20
8
25
12
10
23
11
24
26
13
JAE-E
AC308736
Connectors: C-26, C-104, C-141 <RHD>
C-141
AW
Harness side
C-141 (GR)
C-26 (B)
29
21
35
27
24
323130
22
23
33
25
34
26
36
28
C-26
Harness side
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
C-104 (B)
C-104
22
9
14
15
2 1
3
16
1918
5 4
17
6
21
7
20
8
25
12
10
23
11
24
26
13
JAE-E
TROUBLESHOOTING
AUTOMATIC AIR CONDITIONER
55B-56
INSPECTION PROCEDURE 3: A/C outlet air temperature cannot be set.
COMMENTS ON TROUBLE SYMPTOM
When the blower air temperature can not be
changed even if the preset temperature is changed,
the sensors, the air mixing damper control motor and
potentiometer or the A/C-ECU may be defective.
Possible causes
•
Malfunction of the A/C-ECU
DIAGNOSIS
Read diagnosis code by using the MUT-II.
Q: Is the diagnosis code set?
YES :
Refer to diagnosis code chart
NO :
Replace the automatic air conditioner
control panel (A/C-ECU).
TROUBLESHOOTING
AUTOMATIC AIR CONDITIONER
55B-57
INSPECTION PROCEDURE 4: The blower does not work.
COMMENTS ON TROUBLE SYMPTOM
If the blower motor does not operate, the blower
motor circuit system may be defective.
Possible causes
•
Malfunction of the blower motor (blower linear
controller).
•
Malfunction of the automatic air conditioner
control panel (A/C-ECU)
•
Damaged the wiring harness or connectors
DIAGNOSIS
Step 1. MUT-II/III actuator test
Carry out the actuator test.
•
Item 01, 02, 03, 04: Blower motor
Q: Does the blower motor work normally?
YES :
Replace the automatic air conditioner
control panel (A/C-ECU).
NO :
Go to Step 2.
Wire colour code
B : Black LG : Light green G : Green L : Blue
W : White Y : Yellow SB : Sky blue BR : Brown
O : Orange GR : Gray R : Red P : Pink V : Violet
FUSIBLE
LINK
1
FUSIBLE
LINK
1
IGNITION
SWITCH (IG2)
BLOWER
RELAY
A/C-ECU
<LHD>
<RHD>
<LHD>
<RHD>
BLOWER
LINEAR
CONTROLLER
TROUBLESHOOTING
AUTOMATIC AIR CONDITIONER
55B-58
Step 2. Measure the voltage at the C-32 blower
linear controller connector.
(1) Disconnect the connector, and measure at the
wiring harness side.
(2) Turn the ignition switch to the ON position.
(3) measure the voltage between terminal 6 and
body earth.
OK: System voltage
Q: Is the check result normal?
YES :
Go to Step 15.
NO :
Go to Step 3.
Step 3. Check the blower relay.
Refer to GROUP 55A, On-vehicle Service
−
Power
relay check
Q: Is the blower relay in good condition?
YES :
Go to Step 4.
NO :
Replace the blower relay.
Step 4. Measure the voltage at C-207 blower relay
connector.
(1) Remove the relay, and measure at the junction
block side.
(2) Turn the ignition switch to the ON position.
(3) Voltage between terminal 1 and body earth.
OK: System voltage
Q: Is the check result normal?
YES :
Go to Step 7.
NO :
Go to Step 5.
AC301397
Connector: C-32
<LHD>
BE
Harness side
4
6 5
3
2
1
AC308735
Connector: C-32 <RHD>
BF
Harness side
4
6 5
3
2
1
AC301541CI
Connector C-32
(Harness side)
4
6 5
3
2
1
AC210474
Connector: C-207 <LHD>
AN
Junction block (Front view)
3
4
5
1
2
Junction block side
AC308772
Connector: C-207 <RHD>
AO
Junction block (Front view)
3
4
5
1
2
Junction block side
AC301541CB
Connector C-207
(Junction block side)
3
4
5
1
2
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