Mitsubishi Grandis. Manual — part 520
DIAGNOSIS
CONTROLLER AREA NETWORK (CAN)
54D-178
terminal No.18 and body earth
OK: 1 k
Ω or more
(4) Resistance between C-09 joint connector (CAN2)
terminal No.13 and body earth
OK: 1 k
Ω or more
(5) Resistance between C-09 joint connector (CAN2)
terminal No.14 and body earth
OK: 1 k
Ω or more
(6) Resistance between C-09 joint connector (CAN2)
terminal No.16 and body earth
OK: 1 k
Ω or more
(7) Resistance between C-09 joint connector (CAN2)
terminal No.12 and body earth
OK: 1 k
Ω or more
(8) Resistance between C-09 joint connector (CAN2)
terminal No.17 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.18 and
body earth is less than 1 k
Ω> :
Go to Step 7 .
NO <The resistance between terminal No.13 and
body earth is less than 1 k
Ω> :
Go to Step 8 .
NO <The resistance between terminal No.14 and
body earth is less than 1 k
Ω> :
Go to Step 10 .
NO <The resistance between terminal No.16 and
body earth is less than 1 k
Ω> :
Go to Step 12 .
NO <The resistance between terminal No.12 and
body earth is less than 1 k
Ω> :
Go to Step 16 .
NO <The resistance between terminal No.17 and
body earth is less than 1 k
Ω> :
Go to Step 18 .
AC209364LJ
Harness side: C-09
Test
harness
AC209364LK
Harness side: C-09
Test
harness
AC209364LH
Harness side: C-09
Test
harness
AC209364LL
Harness side: C-09
Test
harness
AC209364LI
Harness side: C-09
Test
harness
DIAGNOSIS
CONTROLLER AREA NETWORK (CAN)
54D-179
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.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 17,
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.
AC310613
BB
Connector: C-02 <LHD>
Harness side
AC310615
AU
Harness side
Connector: C-09 <LHD>
C-09 (GR)
AC209364LG
Harness side: C-09
Test
harness
AC310613
AB
Connector: C-106 <LHD>
Harness side
DIAGNOSIS
CONTROLLER AREA NETWORK (CAN)
54D-180
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
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.13 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 :
<less than 1.0 V> Follow diagnostic item 17
"Diagnose CAN bus lines thoroughly." Refer
to
.
NO :
<1.0 V or more> Repair the wiring harness
between the joint connector (CAN2) and the
A/C-ECU connector.
STEP 10. Connector check: C-221 ETACS-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 11 .
NO :
Repair the defective connector.
AC310615
AU
Harness side
Connector: C-09 <LHD>
C-09 (GR)
AC310613
AB
Connector: C-106 <LHD>
Harness side
AC209364LJ
Harness side: C-09
Test
harness
AC310626
Connector: C-221
Junction block (Rear view)
<LHD>
AC
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
Harness side
C-221(GR)
DIAGNOSIS
CONTROLLER AREA NETWORK (CAN)
54D-181
STEP 11. 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
ETACS-ECU 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 17,
Diagnose CAN bus lines thoroughly. Refer
to
.
NO :
<less than 1 k
Ω> Repair the wiring harness
between the joint connector (CAN2) and the
ETACS-ECU connector.
STEP 12. Connector check: C-37 jumper
connector
CAUTION
The strand end of the twist wire should be within
10 cm from the connector. For details refer to
Check that the wiring harness of the jumper
connector is not damaged.
Q: Is the check result normal?
YES :
Go to Step 13 .
NO :
Repair the defective connector.
AC310615
AU
Harness side
Connector: C-09 <LHD>
C-09 (GR)
AC310626
Connector: C-221
Junction block (Rear view)
<LHD>
AC
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
Harness side
C-221(GR)
AC209364LK
Harness side: C-09
Test
harness
AC310615
AV
Connector: C-37 <LHD>
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