Mitsubishi Grandis. Manual — part 516
DIAGNOSIS
CONTROLLER AREA NETWORK (CAN)
54D-162
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 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 37. 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 38 .
NO :
Repair the defective connector.
STEP 38. 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)
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)
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)
AC209365KJ
Harness side: C-09
Test harness
DIAGNOSIS
CONTROLLER AREA NETWORK (CAN)
54D-163
terminal No.5 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 39. 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 40 .
NO :
Repair the defective connector.
STEP 40. 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.9 and body earth
OK: Less than 1.0 V
(4) Disconnect the negative battery terminal.
Q: Is the check result normal?
AC310628AZ
Connector: C-37 <RHD>
AC310628AY
Connector: C-09 <RHD>
C-09 (GR)
Harness side
AC310628AZ
Connector: C-37 <RHD>
AC209365KU
Harness side: C-09
Test harness
DIAGNOSIS
CONTROLLER AREA NETWORK (CAN)
54D-164
YES :
<1.0 V or less> Go to Step 41.
NO :
<more than 1.0 V> Repair the wiring
harness between the joint connector
(CAN2) and the jumper connector.
STEP 41. 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 42 .
NO :
Repair the defective connector.
STEP 42. 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
AC310631AY
Connector: C-07 <RHD>
Harness side
C-07 (B)
AC310631AY
Connector: C-07 <RHD>
Harness side
C-07 (B)
AC310628AZ
Connector: C-37 <RHD>
AC209365KA
Male side: A-16
Test
harness
DIAGNOSIS
CONTROLLER AREA NETWORK (CAN)
54D-165
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 20
"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)
AC310631AZ
Connector: C-119 <RHD>
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
AC310628AY
Connector: C-09 <RHD>
C-09 (GR)
Harness side
AC310631AZ
Connector: C-119 <RHD>
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
AC209365KN
Harness side: C-09
Test
harness
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