Mitsubishi Grandis. Manual — part 536
DIAGNOSIS
CONTROLLER AREA NETWORK (CAN)
54D-242
disconnected.
(3) Resistance between C-126 diagnosis connector
terminal No.14 and body earth
OK: 1 k
Ω or more
(4) Resistance between C-126 diagnosis connector
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> :
Follow diagnostic item 19 "Diagnose CAN
bus lines thoroughly." Refer to
NO <The resistance between terminal No.14 and
body earth is less than 1 k
Ω> :
Go to Step 3.
NO <The resistance between terminal No.6 and
body earth is less than 1 k
Ω> :
Go to Step 28.
STEP 3. 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 4.
NO :
Repair the defective connector.
STEP 4. 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
AC209364
AC209364LC
Harness side: C-126
(Front side)
Test
harness
AC209364
AC209364
AC209364
AC209364
AC209364
AC209364LD
Harness side: C-126
(Front side)
Test
harness
AC310628AB
Connector: C-125 <RHD>
AC310628AB
Connector: C-125 <RHD>
DIAGNOSIS
CONTROLLER AREA NETWORK (CAN)
54D-243
disconnected.
(3) Resistance between C-125 intermediate
connector terminal No.27 and body earth
OK: 1 k
Ω or more
Q: Is the check result normal?
YES :
<1 k
Ω or more> Go to Step 5.
NO :
<less than 1 k
Ω> Go to Step 20.
STEP 5. 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 6.
NO :
Repair a defective connector or replace the
joint connector.
STEP 6. 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)
AC209364LE
Male side: C-125
Test harness
AC310628AY
Connector: C-09 <RHD>
C-09 (GR)
Harness side
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
AC310628AY
Connector: C-09 <RHD>
C-09 (GR)
Harness side
AC209364LI
Harness side: C-09
Test
harness
DIAGNOSIS
CONTROLLER AREA NETWORK (CAN)
54D-244
terminal No.17 and body earth
OK: 1 k
Ω or more
(4) Resistance between C-09 joint connector (CAN2)
terminal No.19 and body earth
OK: 1 k
Ω or more
(5) Resistance between C-09 joint connector (CAN2)
terminal No.16 and body earth
OK: 1 k
Ω or more
(6) Resistance between C-09 joint connector (CAN2)
terminal No.20 and body earth
OK: 1 k
Ω or more
(7) Resistance between C-09 joint connector (CAN2)
terminal No.15 and body earth
OK: 1 k
Ω or more
(8) Resistance between C-09 joint connector (CAN2)
terminal No.18 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 19.
NO <The resistance between terminal No.17 and
body earth is less than 1 k
Ω> :
Go to Step 7.
NO <The resistance between terminal No.19 and
body earth is less than 1 k
Ω> :
Go to Step 8.
NO <The resistance between terminal No.16 and
body earth is less than 1 k
Ω> :
Go to Step 10.
NO <The resistance between terminal No.20 and
body earth is less than 1 k
Ω> :
Go to Step 12.
NO <The resistance between terminal No.15 and
body earth is less than 1 k
Ω> :
Go to Step 16.
NO <The resistance between terminal No.18 and
body earth is less than 1 k
Ω> :
Go to Step 18.
AC209364LF
Harness side: C-09
Test harness
AC209364MF
Harness side: C-09
Test
harness
AC209364MG
Harness side: C-09
Test harness
AC209364LM
Harness side: C-09
Test
harness
AC209364LG
Harness side: C-09
Test
harness
DIAGNOSIS
CONTROLLER AREA NETWORK (CAN)
54D-245
STEP 7. 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
combination meter 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.17 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
combination meter connector.
STEP 8. Connector check: C-106 A/C-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?
YES :
Go to Step 9.
NO :
Repair the defective connector.
STEP 9. 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
A/C-ECU connector, and measure at the wiring
AC310628AY
Connector: C-09 <RHD>
C-09 (GR)
Harness side
AC209364LI
Harness side: C-09
Test
harness
AC310631AB
Connectors: C-106 <RHD>
Harness side
AC310628AY
Connector: C-09 <RHD>
C-09 (GR)
Harness side
AC310631AB
Connectors: C-106 <RHD>
Harness side
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