Mitsubishi Galant 9G. Manual — part 1268
DIAGNOSIS
TSB Revision
CONTROLLER AREA NETWORK (CAN)
54C-176
STEP 7. Check the CAN_H line (communication line
including the combination meter) between joint connector
(3) and the combination meter for short to ground.
Measure the resistance at joint connector (3) C-02.
CAUTION
A digital multimeter should be used. For details refer to
.
CAUTION
The test wiring harness should be used. For details refer to
.
(1) Disconnect joint connector (3) C-02, and measure the
resistance at the wiring harness side of joint connector (3)
C-02.
(2) Turn the ignition switch to the "LOCK" (OFF) position.
CAUTION
Disconnect the negative battery terminal. For details refer
to
(3) Disconnect the negative battery terminal.
(4) Measure the resistance between joint connector (3)
terminal 4 and body ground.
OK: 1 k
Ω or more
Q: Does the resistance measure 1 k
Ω or more?
YES : If the resistance measures 1 k
Ω or more, go to Step 9
.
NO : If the resistance measures less than 1 k
Ω, go to Step
AC305231AP
CONNECTOR: C-02
AC209364
11
22
10
21
9
20
8
19
7
18
6
17
5
16
4
15
3
14
2
13
1
12
AC209364
AC209364
AC209364
AC209364
AC209364
AC209364HW
HARNESS SIDE: C-02
TEST
HARNESS
DIAGNOSIS
TSB Revision
CONTROLLER AREA NETWORK (CAN)
54C-177
STEP 8. Check the CAN_H line (communication line only)
between joint connector (3) and the combination meter
connector for short to ground. Measure the resistance at
joint connector (3) C-02.
CAUTION
A digital multimeter should be used. For details refer to
.
CAUTION
The test wiring harness should be used. For details refer to
.
(1) Disconnect joint connector (3) C-02 and combination meter
connector C-101, and measure the resistance at the wiring
harness side of joint connector (3) C-02.
(2) Turn the ignition switch to the "LOCK" (OFF) position.
CAUTION
Disconnect the negative battery terminal. For details refer
to
(3) Disconnect the negative battery terminal.
(4) Measure the resistance between joint connector (3)
terminal 4 and body ground.
OK: 1 k
Ω or more
CAUTION
Strictly observe the specified wiring harness repair proce-
dure. For details refer to
Q: Does the resistance measure 1 k
Ω or more?
YES : If the resistance measures 1 k
Ω or more, diagnose
CAN bus lines thoroughly by referring to
NO : If the resistance measures less than 1 k
Ω, repair the
wiring harness between joint connector (3) and the
combination meter connector.
AC305232
HARNESS SIDE
C-101
CONNECTORS: C-02, C-101
AE
C-02
C-02
C-101
AC209364
11
22
10
21
9
20
8
19
7
18
6
17
5
16
4
15
3
14
2
13
1
12
AC209364
AC209364
AC209364
AC209364
AC209364
AC209364HW
HARNESS SIDE: C-02
TEST
HARNESS
DIAGNOSIS
TSB Revision
CONTROLLER AREA NETWORK (CAN)
54C-178
STEP 9. Check the CAN_H line (communication line
including the ETACS-ECU) between joint connector (3) and
the ETACS-ECU connector for short to ground. Measure
the resistance at joint connector (3) C-02.
CAUTION
A digital multimeter should be used. For details refer to
.
CAUTION
The test wiring harness should be used. For details refer to
.
(1) Disconnect joint connector (3) C-02, and measure the
resistance at the wiring harness side of joint connector (3)
C-02.
(2) Turn the ignition switch to the "LOCK" (OFF) position.
CAUTION
Disconnect the negative battery terminal. For details refer
to
(3) Disconnect the negative battery terminal.
(4) Measure the resistance between joint connector (3)
terminal 5 and body ground.
OK: 1 k
Ω or more
Q: Does the resistance measure 1 k
Ω or more?
YES : If the resistance measures 1 k
Ω or more, go to Step
NO : If the resistance measures less than 1 k
Ω, go to Step
STEP 10. Check ETACS-ECU connector C-218 for loose,
corroded or damaged terminals, or terminals pushed back
in the connector.
CAUTION
The strand end of the twisted wire should be within 10 cm
(4 inches) from the connector. For details refer to
Q: Is ETACS-ECU connector C-218 in good condition?
YES : Go to Step 11.
NO : Repair the damaged parts.
AC305231AP
CONNECTOR: C-02
AC209364
11
22
10
21
9
20
8
19
7
18
6
17
5
16
4
15
3
14
2
13
1
12
AC209364
AC209364
AC209364
AC209364
AC209364
AC209364HX
HARNESS SIDE: C-02
TEST
HARNESS
AC305413
C-218 (GR)
CONNECTOR: C-218
AJ
JUNCTION BLOCK
(REAR VIEW)
DIAGNOSIS
TSB Revision
CONTROLLER AREA NETWORK (CAN)
54C-179
STEP 11. Check the CAN_H line (communication line only)
between joint connector (3) and ETACS-ECU connector for
short to ground. Measure the resistance at joint connector
(3) C-02.
CAUTION
A digital multimeter should be used. For details refer to
.
CAUTION
The test wiring harness should be used. For details refer to
.
(1) Disconnect joint connector (3) C-02 and ETACS-ECU
connector C-218, and measure the resistance at the wiring
harness side of joint connector (3) C-02.
(2) Turn the ignition switch to the "LOCK" (OFF) position.
CAUTION
Disconnect the negative battery terminal. For details refer
to
(3) Disconnect the negative battery terminal.
(4) Measure the resistance between joint connector (3)
terminal 5 and body ground.
OK: 1 k
Ω or more
CAUTION
Strictly observe the specified wiring harness repair proce-
dure. For details refer to
Q: Does the resistance measure 1 k
Ω or more?
YES : If the resistance measures 1 k
Ω or more, diagnose
CAN bus lines thoroughly by referring to
NO : If the resistance measures less than 1 k
Ω, repair the
wiring harness between joint connector (3) and the
ETACS-ECU connector.
AC305231AP
CONNECTOR: C-02
AC305413
C-218 (GR)
CONNECTOR: C-218
AI
HARNESS SIDE
JUNCTION BLOCK
(REAR VIEW)
68
74
63
66
72
73
67
65 64
61
70
71
62
69
60
57
58
59
56 55
52
54 53
51
AC209364
11
22
10
21
9
20
8
19
7
18
6
17
5
16
4
15
3
14
2
13
1
12
AC209364
AC209364
AC209364
AC209364
AC209364
AC209364HX
HARNESS SIDE: C-02
TEST
HARNESS
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