Mitsubishi Lancer Evolution X. Manual — part 13
DIAGNOSIS
TSB Revision
CONTROLLER AREA NETWORK (CAN)
54C-77
STEP 2. Check the wiring harness between joint connector
(CAN2) C-104 and AWC-ECU connector C-46 for a short to
power supply. Measure the voltage at joint connector
(CAN2) C-104.
(1) Disconnect joint connector (CAN2), and measure the
voltage at the wiring harness side of joint connector
(CAN2).
(2) Turn the ignition switch to the ON position.
(3) Measure the voltage between joint connector (CAN2)
terminal 5 and body ground.
OK: 4.7 V or less
(4) Measure the voltage between joint connector (CAN2)
terminal 16 and body ground.
OK: 4.7 V or less
Q: Do all the voltages measure 4.7 V or less?
YES : Go to Step 3.
NO : Go to Step 11.
AC709708
TEST
HARNESS
Harness side: C-104
AF
AC709708
Harness side: C-104
AG
TEST
HARNESS
DIAGNOSIS
TSB Revision
CONTROLLER AREA NETWORK (CAN)
54C-78
STEP 3. Check the wiring harness between joint connector
(CAN2) C-104 and ETACS-ECU connector C-301 for a short
to power supply. Measure the voltage at joint connector
(CAN2) C-104.
(1) Disconnect joint connector (CAN2), and measure the
voltage at the wiring harness side of joint connector
(CAN2).
(2) Turn the ignition switch to the ON position.
(3) Measure the voltage between joint connector (CAN2)
terminal 6 and body ground.
OK: 4.7 V or less
(4) Measure the voltage between joint connector (CAN2)
terminal 19 and body ground.
OK: 4.7 V or less
Q: Do all the voltages measure 4.7 V or less?
YES : Go to Step 4.
NO : Go to Step 12.
AC709708
TEST
HARNESS
Harness side: C-104
AH
AC709708
Harness side: C-104
AI
TEST
HARNESS
DIAGNOSIS
TSB Revision
CONTROLLER AREA NETWORK (CAN)
54C-79
STEP 4. Check the wiring harness between joint connector
(CAN3) C-127 and ASC-ECU connector A-05 for a short to
power supply. Measure the voltage at joint connector
(CAN3) C-127.
(1) Disconnect joint connector (CAN3), and measure the
voltage at the wiring harness side of joint connector
(CAN3).
(2) Turn the ignition switch to the ON position.
(3) Measure the voltage between joint connector (CAN3)
terminal 6 and body ground.
OK: 4.7 V or less
(4) Measure the voltage between joint connector (CAN3)
terminal 19 and body ground.
OK: 4.7 V or less
Q: Do all the voltages measure 4.7 V or less?
YES <M/T> : Go to Step 5.
YES <TC-SST> : Go to Step 6.
NO : Go to Step 13.
AC709708
TEST
HARNESS
Harness side: C-127
AJ
AC709708
Harness side: C-127
AK
TEST
HARNESS
DIAGNOSIS
TSB Revision
CONTROLLER AREA NETWORK (CAN)
54C-80
STEP 5. Check the wiring harness between joint connector
(CAN3) C-127 and ECM connector B-10 <M/T> for a short to
power supply. Measure the voltage at joint connector
(CAN3) C-127.
(1) Disconnect joint connector (CAN3), and measure the
voltage at the wiring harness side of joint connector
(CAN3).
(2) Turn the ignition switch to the ON position.
(3) Measure the voltage between joint connector (CAN3)
terminal 4 and body ground.
OK: 4.7 V or less
(4) Measure the voltage between joint connector (CAN3)
terminal 15 and body ground.
OK: 4.7 V or less
Q: Do all the voltages measure 4.7 V or less?
YES : Check intermediate connector C-131, and repair if
necessary. If the intermediate connector is in good
condition, repair the wiring harness between joint
connector (CAN2) C-104 and joint connector (CAN3)
C-127.
NO : Go to Step 14.
AC709708
TEST
HARNESS
Harness side: C-127
AL
AC709708
Harness side: C-127
AM
TEST
HARNESS
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