Mitsubishi Grandis. Manual — part 531
DIAGNOSIS
CONTROLLER AREA NETWORK (CAN)
54D-222
disconnected.
(3) Resistance between A-07 joint connector (CAN1)
terminal No.2 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 18,
Diagnose CAN bus lines thoroughly. Refer
to
NO :
<less than 1 k
Ω> Repair the wiring harness
between the joint connector (CAN1) and the
ASC-ECU connector.
STEP 29. 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
AC302572AD
Connector: A-07
Harness side
AC310613
AD
Connector: C-125 <LHD>
DIAGNOSIS
CONTROLLER AREA NETWORK (CAN)
54D-223
disconnected.
(3) Resistance between A-07 joint connector (CAN1)
terminal No.1 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 18,
Diagnose CAN bus lines thoroughly. Refer
to
NO :
<less than 1 k
Ω> Repair the wiring harness
between the joint connector (CAN1) and the
intermediate connector.
STEP 30. Connector check: C-125 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 31 .
NO :
Repair the defective connector.
STEP 31. Resistance measurement at the C-125
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 connector, and measure at its
male-side intermediate connector (at the front
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-125 intermediate
connector terminal No.26 and body earth
OK: 1 k
Ω or more
Q: Is the check result normal?
YES :
<1 k
Ω or more> Go to Step 32.
NO :
<less than 1 k
Ω> Go to Step 49.
AC209364
AC209364
AC209364
AC209364
Harness side: A-07
AC209364LQ
Test
harness
AC310613
AD
Connector: C-125 <LHD>
AC310613
AD
Connector: C-125 <LHD>
AC209364
Male side: C-125
Test harness
AC209364
AC209364
AC209364
AC209364
AC209364LR
DIAGNOSIS
CONTROLLER AREA NETWORK (CAN)
54D-224
STEP 32. Connector check: C-09 joint connector
(CAN2)
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 and its short pins are not
damaged.
Q: Is the check result normal?
YES :
Go to Step 33 .
NO :
Repair a defective connector or replace the
joint connector.
STEP 33. 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.7 and body earth
OK: 1 k
Ω or more
(4) Resistance between C-09 joint connector (CAN2)
AC310615
AU
Harness side
Connector: C-09 <LHD>
C-09 (GR)
AC209350
1
12
2
13
3
14
4
15
5
16
6
17
7
18
8
19
9
20
10
21
11
22
AB
Short pin
AC310615
AU
Harness side
Connector: C-09 <LHD>
C-09 (GR)
AC209364LS
Harness side: C-09
Test harness
AC209364LT
Harness side: C-09
Test
harness
DIAGNOSIS
CONTROLLER AREA NETWORK (CAN)
54D-225
terminal No.2 and body earth
OK: 1 k
Ω or more
(5) Resistance between C-09 joint connector (CAN2)
terminal No.3 and body earth
OK: 1 k
Ω or more
(6) Resistance between C-09 joint connector (CAN2)
terminal No.5 and body earth
OK: 1 k
Ω or more
(7) Resistance between C-09 joint connector (CAN2)
terminal No.1 and body earth
OK: 1 k
Ω or more
(8) Resistance between C-09 joint connector (CAN2)
terminal No.8 and body earth
OK: 1 k
Ω or more
(9) Resistance between C-09 joint connector (CAN2)
terminal No.6 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 48 .
NO <The resistance between terminal No.7 and
body earth is less than 1 k
Ω> :
Go to Step 34 .
NO <The resistance between terminal No.2 and
body earth is less than 1 k
Ω> :
Go to Step 35 .
NO <The resistance between terminal No.3 and
body earth is less than 1 k
Ω> :
Go to Step 37 .
NO <The resistance between terminal No.5 and
body earth is less than 1 k
Ω> :
Go to Step 39 .
NO <The resistance between terminal No.1 and
body earth is less than 1 k
Ω> :
Go to Step 43 .
NO <The resistance between terminal No.8 and
body earth is less than 1 k
Ω> :
Go to Step 45 .
NO <The resistance between terminal No.6 and
body earth is less than 1 k
Ω> :
Go to Step 47 .
AC209364LV
Harness side: C-09
Test
harness
AC209364LU
Harness side: C-09
Test
harness
AC209364LW
Harness side: C-09
Test
harness
AC209364ME
Harness side: C-09
Test harness
AC209364LX
Harness side: C-09
Test
harness
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