Mitsubishi Grandis. Manual — part 512
DIAGNOSIS
CONTROLLER AREA NETWORK (CAN)
54D-146
STEP 7. Voltage 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.
(2) Connect the negative battery terminal, and turn
the ignition switch to the ON position.
(3) Voltage between C-09 joint connector (CAN2)
terminal No.17 and body earth
OK: Less than 1.0 V
(4) Disconnect the negative battery terminal.
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 20
"Diagnose CAN bus lines thoroughly." Refer
to
.
NO :
<1.0 V or more> Repair the wiring harness
between 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.
AC310631AX
Connector: C-02 <RHD>
Harness side
C-02
AC310628AY
Connector: C-09 <RHD>
C-09 (GR)
Harness side
AC209365JV
Harness side: C-09
Test
harness
AC310631AB
Connectors: C-106 <RHD>
Harness side
DIAGNOSIS
CONTROLLER AREA NETWORK (CAN)
54D-147
STEP 9. Voltage 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.
(2) Connect the negative battery terminal, and turn
the ignition switch to the ON position.
(3) Voltage between C-09 joint connector (CAN2)
terminal No.19 and body earth
OK: Less than 1.0 V
(4) Disconnect the negative battery terminal.
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 20
"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.
AC310628AY
Connector: C-09 <RHD>
C-09 (GR)
Harness side
AC310631AB
Connectors: C-106 <RHD>
Harness side
AC209365KQ
Harness side: C-09
Test
harness
AC310620
Connector: C-221
Junction block
(Rear view)
<RHD>
AC
51
52
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55
56
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59
60
61
62
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64
65
66
67
68
69
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71
72
73
74
Harness side
C-221(GR)
DIAGNOSIS
CONTROLLER AREA NETWORK (CAN)
54D-148
STEP 11. Voltage 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.
(2) Connect the negative battery terminal, and turn
the ignition switch to the ON position.
(3) Voltage between C-09 joint connector (CAN2)
terminal No.16 and body earth
OK: Less than 1.0 V
(4) Disconnect the negative battery terminal.
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 20
"Diagnose CAN bus lines thoroughly." Refer
to
.
NO :
<1.0 V or more> 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.
AC310628AY
Connector: C-09 <RHD>
C-09 (GR)
Harness side
AC310620
Connector: C-221
Junction block
(Rear view)
<RHD>
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)
AC209365JT
Harness side: C-09
Test
harness
AC310628AZ
Connector: C-37 <RHD>
DIAGNOSIS
CONTROLLER AREA NETWORK (CAN)
54D-149
STEP 13. Voltage measurement at the 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
jumper connector, and measure at the wiring
harness side.
(2) Connect the negative battery terminal, and turn
the ignition switch to the ON position.
(3) Voltage between C-09 joint connector (CAN2)
terminal No.20 and body earth
OK: Less than 1.0 V
(4) Disconnect the negative battery terminal.
Q: Is the check result normal?
YES :
<1.0 V or less> Go to Step 14.
NO :
<more than 1.0 V> Repair the wiring
harness between the joint connector
(CAN2) and the jumper connector.
STEP 14. Connector check: C-07 centre display
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 15 .
NO :
Repair the defective connector.
AC310628AY
Connector: C-09 <RHD>
C-09 (GR)
Harness side
AC310628AZ
Connector: C-37 <RHD>
AC209365KS
Harness side: C-09
Test
harness
AC310631AY
Connector: C-07 <RHD>
Harness side
C-07 (B)
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