Mitsubishi Evolution X. Manual — part 1105
DIAGNOSIS
TSB Revision
CONTROLLER AREA NETWORK (CAN)
54C-55
CAUTION
The test wiring harness should be used. For details refer to
(1) Disconnect joint connector (CAN2), and measure the
resistance at the wiring harness side of joint connector
(CAN2).
(2) Measure the resistance between joint connector (CAN2)
terminal 6 and body ground.
OK: 1 kilo ohm or more
(3) Measure the resistance between joint connector (CAN2)
terminal 19 and body ground.
OK: 1 kilo ohm or more
Q: Do all the resistances measure 1 kilo ohm or more?
YES : Go to Step 4.
NO : Go to Step 12.
STEP 4. Check the wiring harness between joint connector
(CAN3) C-127 and ASC-ECU connector A-05 for a short to
ground. Measure the resistance at joint connector (CAN3)
C-127.
CAUTION
Disconnect the negative battery terminal. For details refer
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 joint connector (CAN3), and measure the
resistance at the wiring harness side of joint connector
(CAN3).
AC709707
Harness side: C-104
AT
TEST
HARNESS
AC709707AU
TEST
HARNESS
Harness side: C-104
DIAGNOSIS
TSB Revision
CONTROLLER AREA NETWORK (CAN)
54C-56
(2) Measure the resistance between joint connector (CAN3)
terminal 6 and body ground.
OK: 1 kilo ohm or more
(3) Measure the resistance between joint connector (CAN3)
terminal 19 and body ground.
OK: 1 kilo ohm or more
Q: Do all the resistances measure 1 kilo ohm or more?
YES <M/T> : Go to Step 5.
YES <TC-SST> : Go to Step 6.
NO : Go to Step 13.
STEP 5. Check the wiring harness between joint connector
(CAN3) C-127 and ECM connector B-10 <M/T> for a short to
ground. Measure the resistance at joint connector (CAN3)
C-127.
CAUTION
Disconnect the negative battery terminal. For details refer
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 joint connector (CAN3), and measure the
resistance at the wiring harness side of joint connector
(CAN3).
(2) Measure the resistance between joint connector (CAN3)
terminal 4 and body ground.
OK: 1 kilo ohm or more
AC709707
TEST
HARNESS
Harness side: C-127
AV
AC709707AW
TEST
HARNESS
Harness side: C-127
AC709707
TEST
HARNESS
Harness side: C-127
AX
DIAGNOSIS
TSB Revision
CONTROLLER AREA NETWORK (CAN)
54C-57
(3) Measure the resistance between joint connector (CAN3)
terminal 15 and body ground.
OK: 1 kilo ohm or more
Q: Do all the resistances measure 1 kilo ohm or more?
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.
STEP 6. Check the wiring harness between joint connector
(CAN3) C-127 and shift lever connector C-27 <TC-SST> for
a short to ground. Measure the resistance at joint
connector (CAN3) C-127.
CAUTION
Disconnect the negative battery terminal. For details refer
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 joint connector (CAN3), and measure the
resistance at the wiring harness side of joint connector
(CAN3).
(2) Measure the resistance between joint connector (CAN3)
terminal 7 and body ground.
OK: 1 kilo ohm or more
(3) Measure the resistance between joint connector (CAN3)
terminal 20 and body ground.
OK: 1 kilo ohm or more
Q: Do all the resistances measure 1 kilo ohm or more?
YES : Go to Step 7.
NO : Go to Step 15.
AC709707AY
TEST
HARNESS
Harness side: C-127
AC709707
TEST
HARNESS
Harness side: C-127
AZ
AC709707BA
TEST
HARNESS
Harness side: C-127
DIAGNOSIS
TSB Revision
CONTROLLER AREA NETWORK (CAN)
54C-58
STEP 7. Check the wiring harness between joint connector
(CAN4) A-14 and ECM connector B-10 <TC-SST> for a
short to ground. Measure the resistance at joint connector
(CAN4) A-14.
CAUTION
Disconnect the negative battery terminal. For details refer
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 joint connector (CAN4), and measure the
resistance at the wiring harness side of joint connector
(CAN4).
(2) Measure the resistance between joint connector (CAN4)
terminal 7 and body ground.
OK: 1 kilo ohm or more
(3) Measure the resistance between joint connector (CAN4)
terminal 20 and body ground.
OK: 1 kilo ohm or more
Q: Do all the resistances measure 1 kilo ohm or more?
YES : Go to Step 8.
NO : Go to Step 14.
STEP 8. Check the wiring harness between joint connector
(CAN4) A-14 and transaxle assembly connector B-107
<TC-SST> for a short to ground. Measure the resistance at
joint connector (CAN4) A-14.
CAUTION
Disconnect the negative battery terminal. For details refer
to
.
CAUTION
A digital multimeter should be used. For details refer to
AC709707
TEST
HARNESS
Harness side: A-14
BB
AC709707BC
TEST
HARNESS
Harness side: A-14
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