Mitsubishi Grandis. Manual — part 492
DIAGNOSIS
CONTROLLER AREA NETWORK (CAN)
54D-66
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.7 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 17
"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 33. 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 34 .
NO :
Repair the defective connector.
STEP 34. 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)
AC209365KF
Harness side: C-09
Test harness
AC310613
AB
Connector: C-106 <LHD>
Harness side
AC310615
AU
Harness side
Connector: C-09 <LHD>
C-09 (GR)
AC310613
AB
Connector: C-106 <LHD>
Harness side
AC209365KH
Harness side: C-09
Test
harness
DIAGNOSIS
CONTROLLER AREA NETWORK (CAN)
54D-67
terminal No.2 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 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 35. 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 36 .
NO :
Repair the defective connector.
STEP 36. 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)
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)
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)
AC209365KI
Harness side: C-09
Test
harness
DIAGNOSIS
CONTROLLER AREA NETWORK (CAN)
54D-68
terminal No.3 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 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
ETACS-ECU connector.
STEP 37. 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 38.
NO :
Repair the defective connector.
STEP 38. 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.5 and body earth
OK: Less than 1.0 V
(4) Disconnect the negative battery terminal.
Q: Is the check result normal?
AC310615
AV
Connector: C-37 <LHD>
AC310615
AU
Harness side
Connector: C-09 <LHD>
C-09 (GR)
AC310615
AV
Connector: C-37 <LHD>
AC209365KJ
Harness side: C-09
Test harness
DIAGNOSIS
CONTROLLER AREA NETWORK (CAN)
54D-69
YES :
<1.0 V or less> Go to Step 39.
NO :
<more than 1.0 V> Repair the wiring
harness between the joint connector
(CAN2) and the jumper connector.
STEP 39. 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 40.
NO :
Repair the defective connector.
STEP 40. Voltage measurement at the C-37
jumper 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 centre display connector and the
jumper connector, and measure at the jumper
connector (at the centre display side).
(2) Connect the negative battery terminal, and turn
the ignition switch to the ON position.
(3) Voltage between C-37 jumper connector terminal
AC310613
BC
Connector: C-07 <LHD>
Harness side
C-07 (B)
AC310613
BC
Connector: C-07 <LHD>
Harness side
C-07 (B)
AC310615
AV
Connector: C-37 <LHD>
AC312551 AC
Harness side: C-37
Test
harness
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