Mitsubishi Galant (2004+). Manual — part 406
DIAGNOSIS
TSB Revision
CONTROLLER AREA NETWORK (CAN)
54C-235
STEP 20. Check the CAN_H line (communication line only)
between joint connector (3) and the intermediate
connector for a short circuit. 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 intermediate connector C-22 and 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)
terminals 3 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 intermediate connector C-22
and joint connector (3).
AC305231AP
CONNECTOR: C-02
AC305233 AI
CONNECTOR: C-22
C-22 (Y)
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
AC209364HZ
HARNESS SIDE: C-02
TEST
HARNESS
DIAGNOSIS
TSB Revision
CONTROLLER AREA NETWORK (CAN)
54C-236
STEP 21. Check the CAN_H line (communication line only)
between joint connector (3) and the data link 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 7 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, go to Step
22 .
NO : If the resistance measures less than 1 k
Ω, repair the
wiring harness between joint connector (3) and the
data link connector.
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
AC209364IC
HARNESS SIDE: C-02
TEST HARNESS
DIAGNOSIS
TSB Revision
CONTROLLER AREA NETWORK (CAN)
54C-237
STEP 22. Check the CAN_H line (communication line only)
between intermediate connector C-29 and joint connector
(3) 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 intermediate connector C-29 and 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 9 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 intermediate connector C-29
and joint connector (3).
AC305232
CONNECTORS: C-02, C-29
AG
C-02
C-02
C-29
C-29
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
AC209364ID
HARNESS SIDE: C-02
TEST HARNESS
DIAGNOSIS
TSB Revision
CONTROLLER AREA NETWORK (CAN)
54C-238
STEP 23. Check ABS-ECU connector A-02 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 ABS-ECU connector A-02 in good condition?
YES : Go to Step 24.
NO : Repair the damaged parts.
AC305206
CONNECTOR: A-02
AG
A-02 (GR)
HARNESS SIDE
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