Mitsubishi Galant 9G. Manual — part 532
AUTOMATIC TRANSAXLE DIAGNOSIS
TSB Revision
AUTOMATIC TRANSAXLE
23A-206
STEP 7. Check the harness for an open or short circuit to
ground between PCM connector B-21 terminal 65 and A/T
control solenoid valve assembly connector B-108 terminal
3.
Q: Is the harness wire in good condition?
YES : Replace the PCM.
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
AC306322
CONNECTOR: B-108
B-108 (GR)
AC
TRANSMISSION
RANGE SWITCH
2
7
1
8
3
9
4
6
10
5
AUTOMATIC TRANSAXLE DIAGNOSIS
TSB Revision
AUTOMATIC TRANSAXLE
23A-207
STEP 8. Measure the supply voltage at A/T control
solenoid valve assembly connector B-108.
(1) Disconnect solenoid valve assembly harness connector
B-108.
(2) Turn the ignition switch to the "ON" position.
(3) Measure the voltage between harness connector B-108
terminal 9 and ground.
• The voltage should equal battery positive voltage.
(4) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the measured voltage battery positive voltage?
YES : Go to Step 11.
NO : Go to Step 9.
STEP 9. Check A/T control relay connector B-16X in the
engine component relay box and A/T control solenoid
valve assembly connector B-108 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 10.
NO : Repair or replace the damaged components. Refer to
GROUP 00E, Harness Connector Inspection
AC306322
CONNECTOR: B-108
B-108 (GR)
AC
TRANSMISSION
RANGE SWITCH
2
7
1
8
3
9
4
6
10
5
AC210680
2
5
6
10
4
9
3
8
1
7
AB
B-108 HARNESS
CONNECTOR:
COMPONENT SIDE
AC306354
RELAY BOX
AB
CONNECTOR: B-16X
2
1
3
4
FRONT OF
VEHICLE
AC306322
CONNECTOR: B-108
B-108 (GR)
AC
TRANSMISSION
RANGE SWITCH
2
7
1
8
3
9
4
6
10
5
AUTOMATIC TRANSAXLE DIAGNOSIS
TSB Revision
AUTOMATIC TRANSAXLE
23A-208
STEP 10. Check the harness for an open circuit or short
circuit to ground between A/T control relay connector
B-16X terminal 4 in the engine component relay box and
A/T control solenoid valve assembly connector B-108
terminal 9.
Q: Is the harness wire in good condition?
YES : Go to Step 11.
NO : Repair or replace the harness wire.
AC306354
RELAY BOX
AB
CONNECTOR: B-16X
2
1
3
4
FRONT OF
VEHICLE
AC306322
CONNECTOR: B-108
B-108 (GR)
AC
TRANSMISSION
RANGE SWITCH
2
7
1
8
3
9
4
6
10
5
AUTOMATIC TRANSAXLE DIAGNOSIS
TSB Revision
AUTOMATIC TRANSAXLE
23A-209
STEP 11. Check PCM connector B-21 and A/T control
solenoid valve assembly connector B-108 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 12.
NO : Repair or replace the damaged components. Refer to
GROUP 00E, Harness Connector Inspection
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
AC306322
CONNECTOR: B-108
B-108 (GR)
AC
TRANSMISSION
RANGE SWITCH
2
7
1
8
3
9
4
6
10
5
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