Mitsubishi Montero Sport (2004+). Manual — part 710
AUTOMATIC TRANSMISSION DIAGNOSIS
TSB Revision
AUTOMATIC TRANSMISSION
23A-405
STEP 7. Check PCM connector C-92 and intermediate
connector C-96 for loose, corroded or damaged terminals,
or terminals pushed back in the connector.
Q: Are the connectors and terminals in good condition?
YES : Go to Step 8.
NO : Repair or replace the damaged components. Refer to
GROUP 00E, Harness Connector Inspection
AC202317
PCM
120
107
119
106
129 130
118
105
117
114115116
126127128
104
111
103
112
108
101102
109110
121122123
124
113
125
CONNECTOR: C-92
C-92 (GR)
AB
AC202318
22
9 10
20
19
6 7 8
21
17
1516
5
14
1213
3
2
4
18
11
1
AB
CONNECTOR: C-96
C-96
AUTOMATIC TRANSMISSION DIAGNOSIS
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AUTOMATIC TRANSMISSION
23A-406
STEP 8. Check harness for short circuit to ground between
transfer low detection switch connector B-17 terminal 1
and PCM connector C-92 terminal 112.
Q: Is the harness wire in good condition?
YES : Go to Step 9.
NO : Repair or replace the harness wire.
AC103769
CONNECTOR: B-17
AC
B-17
1
AC202317
PCM
120
107
119
106
129 130
118
105
117
114115116
126127128
104
111
103
112
108
101102
109110
121122123
124
113
125
CONNECTOR: C-92
C-92 (GR)
AB
AUTOMATIC TRANSMISSION DIAGNOSIS
TSB Revision
AUTOMATIC TRANSMISSION
23A-407
STEP 9. Using scan tool MB991958, check data list item 75:
Transfer Low Detection Switch.
CAUTION
To prevent damage to scan tool MB991958, always turn the
ignition switch to the "LOCK" (OFF) position before con-
necting or disconnecting scan tool MB991958.
(1) Connect scan tool MB991958 to the data link connector.
(2) Turn the ignition switch to the "ON" position.
(3) Set scan tool MB991958 to data reading mode.
• Item 75: Transfer Low Detection Switch.
• When the transfer shift lever position is 4L, the scan
tool MB991958 display should be "ON."
• When the transfer shift lever position is other than
4L, the scan tool MB991958 display should be
"OFF."
(4) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the switch 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.
STEP 10. Measure the resistance at transfer low detection
switch connector B-17.
(1) Disconnect connector B-17 and measure at the switch side.
(2) Turn the ignition switch to the "ON" position.
(3) Selector lever position should be "N" range.
(4) Check for the continuity between terminal 1 and ground.
• When the transfer shift lever position is 4L there should
measure less than 2 ohm.
• When the transfer shift lever position is other than 4L
there should be open circuit.
(5) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the resistance 2 ohms?
YES : Go to Step 11.
NO : Replace the transfer low detection switch. Refer to
GROUP 23B, Transfer
AK303629AB
MB991911
MB991827
MB991824
16-PIN
AC103769
CONNECTOR: B-17
AC
B-17
1
ACX02191AE
B-17 HARNESS CONNECTOR:
TRANSFER LOW DETECTION
SWITCH SIDE
AUTOMATIC TRANSMISSION DIAGNOSIS
TSB Revision
AUTOMATIC TRANSMISSION
23A-408
STEP 11. Check PCM connector C-92 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 9.
NO : Repair or replace the damaged components. Refer to
GROUP 00E, Harness Connector Inspection
AC202317
PCM
120
107
119
106
129 130
118
105
117
114115116
126127128
104
111
103
112
108
101102
109110
121122123
124
113
125
CONNECTOR: C-92
C-92 (GR)
AB
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