Mitsubishi Grandis. Manual — part 489
DIAGNOSIS
CONTROLLER AREA NETWORK (CAN)
54D-54
terminal No.13 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 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.
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)
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)
AC209365JS
Harness side: C-09
Test
harness
DIAGNOSIS
CONTROLLER AREA NETWORK (CAN)
54D-55
terminal No.14 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 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.
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.16 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>
AC209365JT
Harness side: C-09
Test
harness
DIAGNOSIS
CONTROLLER AREA NETWORK (CAN)
54D-56
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.
STEP 15. 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 AB
Harness side: C-37
Test
harness
DIAGNOSIS
CONTROLLER AREA NETWORK (CAN)
54D-57
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 jumper connector and the
centre display connector.
STEP 16. 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 17 .
NO :
Repair the defective connector.
STEP 17. 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
AC209365JU
Harness side: C-09
Test
harness
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