Mitsubishi Lancer Evolution X. Manual - part 5
DIAGNOSIS
TSB Revision
CONTROLLER AREA NETWORK (CAN)
54C-45
STEP 13. Check the wiring harness between joint
connector (CAN2) C-104 and ETACS-ECU connector C-301
for line-to-line short. Measure the resistance at joint
connector (CAN2) C-104.
(1) Disconnect joint connector (CAN2) and ETACS-ECU
connector, and check that there is continuity at the harness
side of joint connector (CAN2).
(2) Check that there is continuity between joint connector
(CAN2) terminals 6 and 19.
OK: No continuity
Q: Is the check result normal?
YES : Go to Step 18.
NO : Repair the wiring harness between ETACS-ECU
connector C-301 and joint connector (CAN2) C-104.
STEP 14. Using scan tool MB991958, diagnose the CAN
bus line. (checking the ASC-ECU for internal short)
CAUTION
Strictly observe the specified wiring harness repair proce-
dure. For details refer to
CAUTION
To prevent damage to scan tool MB991958, always turn the
ignition switch to the "LOCK" (OFF) position before con-
necting or disconnecting scan tool MB991958.
(1) Disconnect ASC-ECU connector A-05.
(2) Connect scan tool MB991958 to the data link connector.
(3) Turn the ignition switch to the "ON" position.
AC709707
Harness side: C-104
AI
TEST
HARNESS
TEST
HARNESS
AC608435
Data link connector
MB991827
MB991824
MB991910
AB