Mitsubishi Galant 9G. Manual — part 1277
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DIAGNOSIS
TSB Revision
CONTROLLER AREA NETWORK (CAN)
54C-212
(4) Measure the resistance between data link connector
terminal 6 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 3
.
NO : If the resistance measures less than 1 k
Ω, go to Step
AC209364
Y
8
16
15
7
5
1314
6
12
4
2
1011
3
9
1
AC209364
AC209364
AC209364
AC209364
AC209364HT
HARNESS SIDE: C-125
TEST
HARNESS
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DIAGNOSIS
TSB Revision
CONTROLLER AREA NETWORK (CAN)
54C-213
STEP 3. Check the CAN_L-side bus line (communication
line including ECUs) for short to ground. Measure the
resistance at data link connector C-125.
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 powertrain control module connector B-19 and
combination meter connector C-101, and measure the
resistance at the harness side of data link connector C-125.
(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.
AC306248AD
B-19 (B)
CONNECTOR: B-19
PCM
AIR
CLEANER
HARNESS SIDE
AC305232
CONNECTORS: C-101, C-125
AH
C-101
C-125
C-125 (B)
C-101 HARNESS SIDE
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DIAGNOSIS
TSB Revision
CONTROLLER AREA NETWORK (CAN)
54C-214
(4) Measure the resistance between data link connector
terminal 14 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, diagnose
CAN bus lines thoroughly by referring to
NO : If the resistance measures less than 1 k
Ω, go to Step
STEP 4. Check intermediate connector C-29 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 intermediate connector C-29 in good condition?
YES : Go to Step 5.
NO : Repair the damaged parts.
AC209364
Y
8
16
15
7
5
1314
6
12
4
2
1011
3
9
1
AC209364HU
HARNESS SIDE: C-125
TEST
HARNESS
AC305231AI
CONNECTOR: C-29
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DIAGNOSIS
TSB Revision
CONTROLLER AREA NETWORK (CAN)
54C-215
STEP 5. Check the CAN_H-side bus line (communication
line including ECUs) of the front wiring harness for short
to ground. Measure the resistance at intermediate
connector C-29.
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 measure the
resistance at the male side (at front wiring harness side).
(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 intermediate connector
terminal 11 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 6
.
NO : If the resistance measures less than 1 k
Ω, go to Step
AC305231AI
CONNECTOR: C-29
AC209364
2 3
27
32
28
33
16
15
4 5
19
18
29
17
34
7 8
35
22
21
9 10
30
36
31
37
25
24
23
6
20
1
14
26
11
13
12
38
AC209364
MALE SIDE: C-29
TEST
HARNESS
HV
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