Mitsubishi Montero Sport (2004+). Manual — part 664
AUTOMATIC TRANSMISSION DIAGNOSIS
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AUTOMATIC TRANSMISSION
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STEP 5. Check the harness for open circuit or short circuit
to ground between combination meter connector C-02
terminal 51 and PCM connector C-91 terminal 80.
Q: Is the harness wire in good condition?
YES : Go to Step 7.
NO : Repair or replace the harness wire.
AC202396
62
61
58 59 60
57
56
55
54
53
52
51
AB
CONNECTOR: C-02
C-02 (B)
AC202435
PCM
59
68
58
67
46 47
57
56
53
64
54
65
55
66
50
62
51
63
49
48
60 61
52
44
41 42 43
45
AC202435
PCM
CONNECTOR: C-91
AB
C-91 (GR)
71 72 73 74
75 76
77
78 79 80 81 82 83 84 85 86 87 88
90 91
92 93 94
95 96
97
98
89
AUTOMATIC TRANSMISSION DIAGNOSIS
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AUTOMATIC TRANSMISSION
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STEP 6. Check PCM connector C-91 for loose, corroded or
damaged terminals, or terminals pushed back in the
connector.
Q: Are the connector and terminals in good condition?
YES : Go to Step 7.
NO : Repair or replace the damaged components. Refer to
GROUP 00E, Harness Connector Inspection
AC202435
PCM
59
68
58
67
46 47
57
56
53
64
54
65
55
66
50
62
51
63
49
48
60 61
52
44
41 42 43
45
AC202435
PCM
CONNECTOR: C-91
AB
C-91 (GR)
71 72 73 74
75 76
77
78 79 80 81 82 83 84 85 86 87 88
90 91
92 93 94
95 96
97
98
89
AUTOMATIC TRANSMISSION DIAGNOSIS
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AUTOMATIC TRANSMISSION
23A-223
STEP 7. Using scan tool MB991958, check data list item 29:
Vehicle Speed Sensor.
CAUTION
To prevent damage to scan tool MB991958, always turn the
ignition switch to "LOCK" (OFF) position before connect-
ing or disconnecting scan tool MB991958.
(1) Connect scan tool MB991958 to the data link connector.
(2) Start the engine.
(3) Set scan tool MB991958 to data reading mode.
• Item 29: Vehicle Speed Sensor.
• Check that the speedometer and scan tool display
speed match when driving at a vehicle speed of 40
km/h (25 mph).
(4) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the sensor operating properly?
YES : It can be assumed that this malfunction is intermittent.
Refer to GROUP 00, How to Use
Troubleshooting/Inspection Service Points
− How to
Cope with Intermittent Malfunction
.
NO : Replace the PCM.
AK303629AB
MB991911
MB991827
MB991824
16-PIN
AUTOMATIC TRANSMISSION DIAGNOSIS
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AUTOMATIC TRANSMISSION
23A-224
DTC 31 (P0753): Low-Reverse Solenoid Valve System
AC203806
Solenid Valve System Circuit
AC
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