Mitsubishi Grandis. Manual — part 501
DIAGNOSIS
CONTROLLER AREA NETWORK (CAN)
54D-102
No.4 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 18
"Diagnose CAN bus lines thoroughly." Refer
to
NO :
<1.0 V or more> Repair the wiring harness
between the jumper connector and the
centre display connector.
STEP 43. Connector check: C-119 SRS-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 44 .
NO :
Repair the defective connector.
STEP 44. 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
SRS-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)
AC310613
BD
Connector: C-119
<LHD>
Harness side
C-119 (Y)
48
37
26
42
31
45
34
47
36
46
35
44
33
43
32
25 24
39
28
41
30
40
29
38
27
23
21
22
A
B
AC310615
AU
Harness side
Connector: C-09 <LHD>
C-09 (GR)
AC310613
BD
Connector: C-119
<LHD>
Harness side
C-119 (Y)
48
37
26
42
31
45
34
47
36
46
35
44
33
43
32
25 24
39
28
41
30
40
29
38
27
23
21
22
A
B
AC209365KK
Harness side: C-09
Test
harness
DIAGNOSIS
CONTROLLER AREA NETWORK (CAN)
54D-103
terminal No.1 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 18
"Diagnose CAN bus lines thoroughly." Refer
to
NO :
<1.0 V or more> Repair the wiring harness
between the joint connector (CAN2) and the
SRS-ECU connector.
STEP 45. Connector check: C-306 steering wheel
angle sensor 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 46 .
NO :
Repair the defective connector.
STEP 46. 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
steering wheel angle sensor 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)
AC310153AF
Connector: C-306 <LHD>
Harness side
AC310615
AU
Harness side
Connector: C-09 <LHD>
C-09 (GR)
AC310153AF
Connector: C-306 <LHD>
Harness side
AC209365KR
Harness side: C-09
Test harness
DIAGNOSIS
CONTROLLER AREA NETWORK (CAN)
54D-104
terminal No.8 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 18
"Diagnose CAN bus lines thoroughly." Refer
to
NO :
<1.0 V or more> Repair the wiring harness
between the joint connector (CAN2) and the
steering wheel angle sensor connector.
STEP 47. 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 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.6 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 18
"Diagnose CAN bus lines thoroughly." Refer
to
.
NO :
<1.0 V or more> Repair the wiring harness
between the joint connector (CAN2) and the
diagnosis connector.
STEP 48. 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 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)
AC310615
AU
Harness side
Connector: C-09 <LHD>
C-09 (GR)
AC209365KL
Harness side: C-09
Test harness
AC310615
AU
Harness side
Connector: C-09 <LHD>
C-09 (GR)
AC209365KN
Harness side: C-09
Test
harness
DIAGNOSIS
CONTROLLER AREA NETWORK (CAN)
54D-105
terminal No.4 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 18
"Diagnose CAN bus lines thoroughly." Refer
to
NO :
<1.0 V or more> Repair the wiring harness
between the joint connector (CAN2) and the
intermediate connector.
STEP 49. Connector check: 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
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 is not damaged.
Q: Is the check result normal?
YES :
Go to Step 50 .
NO :
Repair a defective connector or replace the
joint connector (front wiring harness
assembly).
STEP 50. Voltage 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 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 A-07 joint connector (CAN1)
terminal No.6 and body earth
OK: 4.0 V or less
(4) Voltage between A-07 joint connector (CAN1)
AC302572AD
Connector: A-07
Harness side
AC302572AD
Connector: A-07
Harness side
AC209365KG
Harness side: A-07
Test harness
AC209365KM
Harness side: A-07
Test harness
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