Mitsubishi Galant (2004+). Manual — part 657
AUTOMATIC TRANSAXLE DIAGNOSIS
TSB Revision
AUTOMATIC TRANSAXLE
23A-179
STEP 12. Check intermediate connector A-13, PCM
connector B-20 and shift switch assembly connector C-20
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 13.
NO : Repair or replace the damaged components. Refer to
GROUP 00E, Harness Connector Inspection
AC306223
A-13 (GR)
AB
CONNECTOR: A-13
1
4
7
8
2 3
5
13
14
17
15
12
16
11
10
9
6
AC306248AH
CONNECTOR: B-20
PCM
AIR
CLEANER
JAE
41
37
32
40
39
23
21 22
35
31
30
26
36
27
43
42
25
24
38
34
29
33
28
B-20
AC306349AB
CONNECTOR: C-20
4
3
1
5 6
2
AUTOMATIC TRANSAXLE DIAGNOSIS
TSB Revision
AUTOMATIC TRANSAXLE
23A-180
STEP 13. Check the harness for damage between PCM
connector B-20 terminal 39 and transmission range switch
connector B-110 terminal 1.
Q: Is the harness wire in good condition?
YES : Go to Step 20.
NO : Repair or replace the harness wire.
AC306248AH
CONNECTOR: B-20
PCM
AIR
CLEANER
JAE
41
37
32
40
39
23
21 22
35
31
30
26
36
27
43
42
25
24
38
34
29
33
28
B-20
AC210068
CONNECTOR: B-110
B-110 (B)
AE
TRANSMISSION
RANGE SWITCH
1
7
2
8
3
5
9
4
10
6
AUTOMATIC TRANSAXLE DIAGNOSIS
TSB Revision
AUTOMATIC TRANSAXLE
23A-181
STEP 14. Measure the transmission range switch output
voltage at PCM connector B-21 by using check harness
special tool MB991923. ("3" position)
Measure the voltage between terminal 62 and ground.
• When transmission range is "P," voltage should measure
0.5 volt or less.
• When transmission range is "R," voltage should measure
0.5 volt or less.
• When transmission range is "N," voltage should measure
0.5 volt or less.
• When transmission range is "D," voltage should measure
0.5 volt or less.
• When transmission range is "3," voltage should equal bat-
tery positive voltage.
• When transmission range is "2," voltage should measure
0.5 volt or less.
• When transmission range is "L," voltage should measure
0.5 volt or less.
Q: Is the measured voltage within the specified range?
YES : Go to Step 16.
NO : Turn the ignition switch to the "LOCK" (OFF) position.
Go to Step 15.
AC306248AC
B-21
(B)
CONNECTOR: B-21
PCM
AIR
CLEANER
73
80
54
67
60
71 72
77 78 79
64
51
59
58
65
52
66
53
75
74
76
81 82
83
63
JAE
62
68
61
55
69
56
70
57
AC306068
51
58
71
64
77
76
83
70
63
57
73 72
75 74
80
82 81
79 78
54
67
JAE
62
69
56
61
68
55
59
66
60
53
65
52
AB
B-21 HARNESS
CONNECTOR:
COMPONENT SIDE
AUTOMATIC TRANSAXLE DIAGNOSIS
TSB Revision
AUTOMATIC TRANSAXLE
23A-182
STEP 15. Check the harness for damage between PCM
connector B-21 terminal 62 and transmission range switch
connector B-110 terminal 5.
Q: Is the harness wire in good condition?
YES : Go to Step 20.
NO : Repair or replace the harness wire.
AC306248AC
B-21
(B)
CONNECTOR: B-21
PCM
AIR
CLEANER
73
80
54
67
60
71 72
77 78 79
64
51
59
58
65
52
66
53
75
74
76
81 82
83
63
JAE
62
68
61
55
69
56
70
57
AC210068
CONNECTOR: B-110
B-110 (B)
AE
TRANSMISSION
RANGE SWITCH
1
7
2
8
3
5
9
4
10
6
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