Mitsubishi Montero Sport (2004+). Manual — part 635
AUTOMATIC TRANSMISSION DIAGNOSIS
TSB Revision
AUTOMATIC TRANSMISSION
23A-105
STEP 12. Measure the resistance at PCM connector C-90
by backprobing.
(1) Do not disconnect connector C-90.
(2) Turn the ignition switch to the "ON" position.
(3) Measure the resistance between terminal 57 and ground by
backprobing.
• The resistance should measure less than 2 ohms.
(4) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the measured resistance less than 2 ohms?
YES : Go to Step 13.
NO : Go to Step 15.
PCM
60
46
66
57
45
44
64
55 56
65
62 63
52 53
5051
61
42
59
48
41
47
58
43
49
54
AC202313
C-90 (GR)
AB
CONNECTOR: C-90
C-90 (GR)
AC001791
C-90 HARNESS CONNECTOR:
HARNESS SIDE
AP
AUTOMATIC TRANSMISSION DIAGNOSIS
TSB Revision
AUTOMATIC TRANSMISSION
23A-106
STEP 13. Check output shaft speed sensor connector
B-15, joint connector C-71, intermediate connector C-96
and PCM connector C-90 for loose, corroded or damaged
terminals, or terminals pushed back in the connector.
AC202387
1 2 3
CONNECTOR: B-15
B-15 (GR)
AB
AC202364
9 10
8
6 7
31 32
30
29
21
20
19
18
5
4
2
1
3
27
26
24
23
25
16
15
14
13
12
28
17
33
22
11
22
9 10
20
19
6 7 8
21
17
1516
5
14
12 13
3
2
4
18
11
1
CONNECTORS: C-71, C-96
C-96
C-71
C-96
C-71
AB
AUTOMATIC TRANSMISSION DIAGNOSIS
TSB Revision
AUTOMATIC TRANSMISSION
23A-107
Q: Are the connectors and terminals in good condition?
YES : Go to Step 14.
NO : Repair or replace the damaged components. Refer to
GROUP 00E, Harness Connector Inspection
PCM
60
46
66
57
45
44
64
55 56
65
62 63
52 53
5051
61
42
59
48
41
47
58
43
49
54
AC202313
C-90 (GR)
AB
CONNECTOR: C-90
C-90 (GR)
AUTOMATIC TRANSMISSION DIAGNOSIS
TSB Revision
AUTOMATIC TRANSMISSION
23A-108
STEP 14. Check the harness for open circuit or damage
between output shaft speed sensor harness side
connector B-15 terminal 1 and PCM connector C-90
terminal 57.
Q: Is the harness wire in good condition?
YES : Go to Step 16.
NO : Repair or replace the harness wire.
AC202387
1 2 3
CONNECTOR: B-15
B-15 (GR)
AB
PCM
60
46
66
57
45
44
64
55 56
65
62 63
52 53
5051
61
42
59
48
41
47
58
43
49
54
AC202313
C-90 (GR)
AB
CONNECTOR: C-90
C-90 (GR)
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