Mitsubishi Grandis. Manual — part 546
DIAGNOSIS
CONTROLLER AREA NETWORK (CAN)
54D-282
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 joint connector (CAN2) and the
steering wheel angle sensor 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.14 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 20,
Diagnose CAN bus lines thoroughly. Refer
to
.
NO :
<less than 1 k
Ω> Repair the wiring harness
between the joint connector (CAN2) and the
steering angle sensor connector.
STEP 20. 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
AC310183
AF
Connector: C-306 <RHD>
Harness side
AC209364ML
Harness side: C-09
Test
harness
AC310628AY
Connector: C-09 <RHD>
C-09 (GR)
Harness side
AC209364LG
Harness side: C-09
Test
harness
DIAGNOSIS
CONTROLLER AREA NETWORK (CAN)
54D-283
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 20,
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 21. 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.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 20,
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 22. 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 23.
NO :
Repair a defective connector or replace the
joint connector (front wiring harness
assembly).
AC310628AY
Connector: C-09 <RHD>
C-09 (GR)
Harness side
AC209364MH
Harness side: C-09
Test harness
AC302572AD
Connector: A-07
Harness side
DIAGNOSIS
CONTROLLER AREA NETWORK (CAN)
54D-284
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 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)
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 29.
NO <The resistance between terminal No.3 and
body earth is less than 1 k
Ω> :
Go to Step 24.
NO <The resistance between terminal No.2 and
body earth is less than 1 k
Ω> :
Go to Step 27.
STEP 24. 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 25.
NO :
Repair the defective connector.
AC302572AD
Connector: A-07
Harness side
AC209364
Harness side: A-07
AC209364LN
Test
harness
AC209364
Harness side: A-07
AC209364LO
Test
harness
AC310398
AC
Connector: A-16 <RHD>
A-16 (B)
DIAGNOSIS
CONTROLLER AREA NETWORK (CAN)
54D-285
STEP 25. 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
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 26.
NO :
<less than 1 k
Ω> Repair the wiring harness
between the joint connector (CAN1) and the
intermediate connector.
STEP 26. 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
AC302572AD
Connector: A-07
Harness side
AC310398
AC
Connector: A-16 <RHD>
A-16 (B)
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)
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