Mitsubishi Grandis. Manual — part 566
DIAGNOSIS
CONTROLLER AREA NETWORK (CAN)
54D-362
STEP 11. 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 12.
NO :
Repair the defective connector.
STEP 12. Resistance 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) Ignition switch: OFF (LOCK)
CAUTION
When measuring the resistance, disconnect the
negative battery terminal. For details refer to
(3) Ensure that the negative battery terminal is
disconnected.
(4) Continuity between C-09 joint connector (CAN2)
terminal Nos. 5 and 16
OK: More than 2
Ω
CAUTION
Strictly observe the specified wiring harness
repair procedure. For details refer to
Q: Is the check result normal?
YES :
<More than 2
Ω> Go to Step 13.
NO :
<2
Ω or less> Repair the wiring harness
between joint connector (CAN2) and the
ETACS-ECU connector.
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)
AC204740DG
Harness side: C-09
Test
harness
Test
harness
DIAGNOSIS
CONTROLLER AREA NETWORK (CAN)
54D-363
STEP 13. Resistance measurement at C-221
ETACS-ECU connector.
CAUTION
A digital multimeter should be used. For details
refer to
(1) Remove the ETACS-ECU, and measure at the
equipment side.
(2) Resistance between C-221 ETACS-ECU
connector terminal Nos. 72 and 73
OK: 1 k
Ω or more
Q: Is the check result normal?
YES :
<1 k
Ω or more> Follow diagnostic item 19,
Diagnose CAN bus lines thoroughly. Refer
to
NO :
<Less than 1 k
Ω> Replace the
ETACS-ECU.
STEP 14. 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 15.
NO :
Repair the defective connector.
STEP 15. Resistance 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 connector, and measure at its
jumper connector (at the centre display side).
(2) Ignition switch: OFF (LOCK)
CAUTION
When measuring the resistance, disconnect the
negative battery terminal. For details refer to
(3) Ensure that the negative battery terminal is
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)
AC204740
69
60
51
55
64
71
62
53
61
70
52
63
54
73
67
66
65
72
56 57
68
74
59
58
AC204740
AC204740
AC204740
AC204740
AC204740DU
Equipment side: C-221
Test
harness
AC310628AZ
Connector: C-37 <RHD>
AC310628AZ
Connector: C-37 <RHD>
DIAGNOSIS
CONTROLLER AREA NETWORK (CAN)
54D-364
disconnected.
(4) Resistance between C-37 jumper connector
terminal Nos. 3 and 4
OK: 1 k
Ω or more
Q: Is the check result normal?
YES :
<1 k
Ω or more> Go to Step 19 .
NO :
<Less than 1 k
Ω> Go to Step 16 .
STEP 16. 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 17 .
NO :
Repair the defective connector.
STEP 17. Resistance 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) Ignition switch: OFF (LOCK)
CAUTION
When measuring the resistance, disconnect the
negative battery terminal. For details refer to
(3) Ensure that the negative battery terminal is
AC312553 AF
Harness side: C-37
Test
harness
Test
harness
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>
DIAGNOSIS
CONTROLLER AREA NETWORK (CAN)
54D-365
disconnected.
(4) Resistance between C-37 jumper connector
terminal Nos. 3 and 4
OK: More than 2
Ω
CAUTION
Strictly observe the specified wiring harness
repair procedure. For details refer to
Q: Is the check result normal?
YES :
<More than 2
Ω> Go to Step 18.
NO :
<2
Ω or less> Repair the wiring harness
between the jumper connector and the
centre display connector.
STEP 18. Resistance measurement at C-07 centre
display connector.
CAUTION
A digital multimeter should be used. For details
refer to
(1) Remove the centre display connector, and
measure at the equipment side.
(2) Resistance at C-07 centre display connector
terminal Nos. 5 and 15
OK: 1 k
Ω or more
Q: Is the check result normal?
YES :
<1 k
Ω or more> Follow diagnostic item 19,
Diagnose CAN bus lines thoroughly. Refer
to
.
NO :
<Less than 1 k
Ω> Replace the centre
display connector.
STEP 19. Resistance 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 connector, and measure at the
AC312553 AF
Harness side: C-37
Test
harness
Test
harness
AC310631AY
Connector: C-07 <RHD>
Harness side
C-07 (B)
AC312553
Test
harness
Equipment side: C-07
AG
Test
harness
AC310628AY
Connector: C-09 <RHD>
C-09 (GR)
Harness side
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