Mitsubishi Colt Ralliart. Manual - part 300
TROUBLESHOOTING
CONTROLLER AREA NETWORK (CAN)
54D-29
Q: Is the check result normal?
YES <all of the measurement results show 4.0 V or
less> :
Repair the wiring harness between joint
connector (CAN1) and intermediate
connector (B-40).
NO <The voltage between terminal No.2 or 4 and
body earth is more than 4.0 V> :
Repair the wiring
harness between joint connector (CAN1)
and diagnosis connector.
NO <The voltage between terminal No.3 or 8 and
body earth is more than 4.0 V> :
Repair the wiring
harness between joint connector (CAN1)
and combination meter connector.
NO <The voltage between terminal No.6 or 12 and
body earth is more than 4.0 V> :
Go to Step 5.
NO <The voltage between terminal No.7 or 11 and
body earth is more than 4.0 V> :
Go to Step 4.
STEP 4. M.U.T.-III CAN bus diagnostics (B-133
ETACS-ECU connector disconnected)
CAUTION
A digital multimeter should be used. For details
refer to
CAUTION
The test wiring harness should be used. For
details refer to
AC313826 AB
Connector: B-133
Harness side
B-133 (GR)
(1) Disconnect the ETACS-ECU connector, and
diagnose by using the M.U.T.-III.
AC206268AJ
<Vehicles without ASC>
METER/AC
ETACS
M.U.T.
J/C(1)
J/C(2)
ABS
EPS
ENG/CVT
: Red section on screen
AC206268AK
<Vehicles with ASC>
METER/AC
ETACS
SAS
M.U.T.
J/C(1)
J/C(2)
ASC
EPS
YR/G
ENG/CVT
: Red section on screen
(2) Check that the M.U.T.-III indications correspond
to the illustration.
Q: Is the check result normal?
YES :
<M.U.T.-III indications correspond to the
illustration> Repair the wiring harness
between joint connector (CAN1) and
ETACS-ECU connector.
NO :
<M.U.T.-III indications do not correspond to
the illustration> Check the ETACS-ECU
connector, and repair if necessary. If the
ETACS-ECU connector is in good condition,
power supply to the ETACS-ECU may be
suspected. Diagnose the SWS system.
Refer to GROUP 54B
− Troubleshooting
.
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