Mitsubishi Montero (2004+). Manual — part 900
AUTOMATIC TRANSMISSION DIAGNOSIS
TSB Revision
AUTOMATIC TRANSMISSION
23A-175
STEP 5. Check the harness for open circuit or short circuit
to ground between combination meter connector D-03
terminal 65 and PCM connector D-134 terminal 79.
Q: Is the harness wire in good condition?
YES : Go to Step 7.
NO : Repair or replace the harness wire.
AC204170
CONNECTOR : D-03
CE
D-03 (GR)
58
57
67
66
56
54 55
64
59
53
52
62
61
63
65
60
51
AC204681AC
CONNECTOR: D-134
D-134 (GR)
61 62
63 64
65 66 67 68 69 70 71 72 73
82
89
81
88
80
79
78
77
87
86
85
76
75
74
84
83
AUTOMATIC TRANSMISSION DIAGNOSIS
TSB Revision
AUTOMATIC TRANSMISSION
23A-176
STEP 6. Check PCM connector D-134 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
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 the data reading mode.
• Item 29: Vehicle Speed Sensor.
• Check that the speedometer and scan tool
MB991958 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.
AC204681AC
CONNECTOR: D-134
D-134 (GR)
61 62
63 64
65 66 67 68 69 70 71 72 73
82
89
81
88
80
79
78
77
87
86
85
76
75
74
84
83
ACX01539AD
MB991502
16 PIN
Continue
AUTOMATIC TRANSMISSION DIAGNOSIS
TSB Revision
AUTOMATIC TRANSMISSION
23A-177
23A
DTC 31 (P0753): Low-Reverse Solenoid Valve System
AC205195 AB
Solenoid Valve System Circuit
AC204167
CONNECTOR : A-03
AT
A-03 (B)
6
12
5
3 4
2
1
9 10
8
7
11
AC204395
CONNECTOR : C-03
AE
C-03 (B)
6
10
4
9
5
3
8
2
7
1
AUTOMATIC TRANSMISSION DIAGNOSIS
TSB Revision
AUTOMATIC TRANSMISSION
23A-178
.
AC204749
1
2
CONNECTORS : C-03-1, C-03-2, C-03-3
C-03-4, C-03-5, C-03-6
C-03-1
C-03-1
1
2
C-03-2
1
2
C-03-3
1
2
C-03-4
1
2
C-03-5
1
2
C-03-6
C-03-2
C-03-3
AC
C-03-4
C-03-6
C-03-5
AC204750
CONNECTOR : D-13
AB
PCM
1
3 4
2
AC204681AD
CONNECTOR: D-136
D-136 (GR)
121 122
123
124
125 126 127 128 129 130
131 132
133
134 135
136 137 138
139 140
141
142 143
144
145
146
AC204176
CONNECTOR : E-114
BD
38
28
16
33
22
10
31
19
7
1
18
30
29
17
5
6
21
20
32
8
2
9
25
13
3
24
23
3435
1112
27
26
3637
14
4
15
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