Mitsubishi Grandis. Manual — part 538
DIAGNOSIS
CONTROLLER AREA NETWORK (CAN)
54D-250
terminal No.15 and body earth
OK: 1 k
Ω or more
CAUTION
Strictly observe the specified wiring harness
repair procedure. For details refer to
Q: Is the check result normal?
YES :
<1 k
Ω or more> Follow diagnostic item 19,
Diagnose CAN bus lines thoroughly. Refer
to
NO :
<less than 1 k
Ω> Repair the wiring harness
between the joint connector (CAN2) and the
SRS-ECU connector.
STEP 18. Resistance measurement at C-09 joint
connector (CAN2).
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 the connector, and measure at the
wiring harness side.
CAUTION
When measuring the resistance, disconnect the
negative battery terminal. For details refer to
(2) Ensure that the negative battery terminal is
disconnected.
(3) Resistance between C-09 joint connector (CAN2)
terminal No.18 and body earth
OK: 1 k
Ω or more
CAUTION
Strictly observe the specified wiring harness
repair procedure. For details refer to
Q: Is the check result normal?
YES :
<1 k
Ω or more> Follow diagnostic item 19,
Diagnose CAN bus lines thoroughly. Refer
to
.
NO :
<less than 1 k
Ω> Repair the wiring harness
between the joint connector (CAN2) and the
diagnosis connector.
STEP 19. Resistance measurement at C-09 joint
connector (CAN2).
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 the connector, and measure at the
wiring harness side.
CAUTION
When measuring the resistance, disconnect the
negative battery terminal. For details refer to
(2) Ensure that the negative battery terminal is
disconnected.
(3) Resistance between C-09 joint connector (CAN2)
AC310628AY
Connector: C-09 <RHD>
C-09 (GR)
Harness side
AC209364LG
Harness side: C-09
Test
harness
AC310628AY
Connector: C-09 <RHD>
C-09 (GR)
Harness side
AC209364MH
Harness side: C-09
Test harness
DIAGNOSIS
CONTROLLER AREA NETWORK (CAN)
54D-251
terminal No.22 and body earth
OK: 1 k
Ω or more
CAUTION
Strictly observe the specified wiring harness
repair procedure. For details refer to
Q: Is the check result normal?
YES :
<1 k
Ω or more> Follow diagnostic item 19,
Diagnose CAN bus lines thoroughly. Refer
to
NO :
<less than 1 k
Ω> Repair the wiring harness
between the joint connector (CAN2) and the
intermediate connector.
STEP 20. Connector check: A-07 joint connector
(CAN1)
NOTE: When checking A-07 joint connector (CAN1),
disassemble and check the engine compartment
relay box by referring to
.
CAUTION
The strand end of the twist wire should be within
10 cm from the connector. For details refer to
When checking the joint connector, ensure that its
wiring harness side is not damaged.
Q: Is the check result normal?
YES :
Go to Step 21.
NO :
Repair a defective connector or replace the
joint connector (front wiring harness
assembly).
STEP 21. Resistance measurement at the A-07
joint connector (CAN1).
NOTE: When checking A-07 joint connector (CAN1),
disassemble and check the engine compartment
relay box by referring to
.
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 the connector, and measure at the
wiring harness side.
CAUTION
When measuring the resistance, disconnect the
negative battery terminal. For details refer to
(2) Ensure that the negative battery terminal is
disconnected.
(3) Resistance between A-07 joint connector (CAN1)
AC302572AD
Connector: A-07
Harness side
AC302572AD
Connector: A-07
Harness side
AC209364
Harness side: A-07
AC209364LN
Test
harness
DIAGNOSIS
CONTROLLER AREA NETWORK (CAN)
54D-252
terminal No.3 and body earth
OK: 1 k
Ω or more
(4) Resistance between A-07 joint connector (CAN1)
terminal No.2 and body earth
OK: 1 k
Ω or more
Q: Are the check result normal?
YES <all of the measurement results show 1 k
Ω or
more> :
Go to Step 27.
NO <The resistance between terminal No.3 and
body earth is less than 1 k
Ω> :
Go to Step 22.
NO <The resistance between terminal No.2 and
body earth is less than 1 k
Ω> :
Go to Step 25.
STEP 22. Connector check: A-16 intermediate
connector
CAUTION
The strand end of the twist wire should be within
10 cm from the connector. For details refer to
Q: Is the check result normal?
YES :
Go to Step 23.
NO :
Repair the defective connector.
STEP 23. Resistance measurement at the A-07
joint connector (CAN1).
NOTE: When checking A-07 joint connector (CAN1),
disassemble and check the engine compartment
relay box by referring to
.
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 the joint connector (CAN1) and the
intermediate connector, and measure at the
wiring harness side.
CAUTION
When measuring the resistance, disconnect the
negative battery terminal. For details refer to
(2) Ensure that the negative battery terminal is
AC209364
Harness side: A-07
AC209364LO
Test
harness
AC310398
AC
Connector: A-16 <RHD>
A-16 (B)
AC302572AD
Connector: A-07
Harness side
AC310398
AC
Connector: A-16 <RHD>
A-16 (B)
DIAGNOSIS
CONTROLLER AREA NETWORK (CAN)
54D-253
disconnected.
(3) Resistance between A-07 joint connector (CAN1)
terminal No.3 and body earth
OK: 1 k
Ω or more
Q: Is the check result normal?
YES :
<1 k
Ω or more> Go to Step 24.
NO :
<less than 1 k
Ω> Repair the wiring harness
between the joint connector (CAN1) and the
intermediate connector.
STEP 24. Resistance measurement at the A-16
intermediate connector.
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 the engine-ECU <M/T> or
engine-A/T-ECU <A/T> connector and the
intermediate connector, and measure at the
wiring harness side.
CAUTION
When measuring the resistance, disconnect the
negative battery terminal. For details refer to
(2) Ensure that the negative battery terminal is
disconnected.
(3) Resistance between A-16 intermediate connector
terminal No.12 and body earth
OK: 1 k
Ω or more
CAUTION
Strictly observe the specified wiring harness
repair procedure. For details refer to
Q: Is the check result normal?
YES :
<1 k
Ω or more> Follow diagnostic item 19,
Diagnose CAN bus lines thoroughly. Refer
to
.
NO :
<less than 1
Ω> Repair the wiring harness
between the intermediate connector and the
engine-ECU <M/T> or engine-A/T-ECU
<A/T> connector.
STEP 25. Connector check: A-03 ABS-ECU
connector
CAUTION
The strand end of the twist wire should be within
10 cm from the connector. For details refer to
Q: Is the check result normal?
AC209364
Harness side: A-07
AC209364LN
Test
harness
AC310398
AC
Connector: A-16 <RHD>
A-16 (B)
AC310628AW
Harness side
Connector: C-112 <RHD>
C-112 (GR)
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
AC209364
AC209364
AC209364
Male side: A-16
AC209364EF
Test
harness
AC310398
AI
Connector: A-03 <RHD>
Harness side
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