Mitsubishi Grandis. Manual — part 569
DIAGNOSIS
CONTROLLER AREA NETWORK (CAN)
54D-374
disconnected.
(4) Resistance between A-07 joint connector (CAN1)
terminal Nos. 3 and 6
OK: 120
± 20 Ω
Q: Is the check result normal?
YES :
<All the measurement results are within the
normal value> Follow diagnostic item 19
"Diagnose CAN bus lines thoroughly." Refer
to
.
NO :
<The resistance between terminal Nos. 3
and 6 measures less than 120
± 20 Ω>
Repair the wiring harness between the joint
connector (CAN1) and the intermediate
connector.
STEP 34. Connector check: A-03 ABS-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 35.
NO :
Repair the defective connector.
AC204740
AC204740
AC204740
AC204740
AC204740
AC204740
AC204740DK
Harness side: A-07
Test
harness
Test
harness
AC310398
AI
Connector: A-03 <RHD>
Harness side
DIAGNOSIS
CONTROLLER AREA NETWORK (CAN)
54D-375
STEP 35. Resistance 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 joint connector (CAN1) and the
ABS-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 A-07 joint connector (CAN1)
terminal Nos. 2 and 5
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 36.
NO :
<2
Ω or less> Repair the wiring harness
between joint connector (CAN1) and the
ABS-ECU connector.
AC302572AD
Connector: A-07
Harness side
AC310398
AI
Connector: A-03 <RHD>
Harness side
AC204740
AC204740
AC204740
AC204740
AC204740
AC204740
AC204740DL
Harness side: A-07
Test
harness
Test
harness
DIAGNOSIS
CONTROLLER AREA NETWORK (CAN)
54D-376
STEP 36. Resistance measurement at A-03
ABS-ECU connector.
CAUTION
A digital multimeter should be used. For details
refer to
(1) Connect special tool MB991974 to the ABS-ECU
connector, and measure by using the check
connector (connect the ECU side only).
(2) Resistance between special tool MB991974
check connector terminal Nos. 21 and 23.
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 ABS-ECU.
STEP 37. Resistance 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 joint connector (CAN1) and the
intermediate 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
AC310398
AI
Connector: A-03 <RHD>
Harness side
AC304012
MB991974
AB
ABS-ECU
Check connector
AC204740
1
3
4
5
6
7
8
9
10
11
2
13 12
16
17
18
19
20
21
22
23
24
15
25
14
26
AC204740
AC204740
AC204740
AC204740BD
Special tool MB991974:
Check connector
Check
harness
AC302572AD
Connector: A-07
Harness side
AC310628AB
Connector: C-125 <RHD>
DIAGNOSIS
CONTROLLER AREA NETWORK (CAN)
54D-377
disconnected.
(4) Measure the continuity between A-07 joint
connector (CAN1) terminal Nos. 1 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 :
<2 more than
Ω> Follow diagnostic item 19,
Diagnose CAN bus lines thoroughly. Refer
to
.
NO :
<2
Ω or less> Repair the wiring harness
between joint connector (CAN1) and the
intermediate connector.
AC204740
AC204740
AC204740
AC204740
AC204740
AC204740
AC204740DN
Harness side: A-07
Test
harness
Test
harness
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