DIAGNOSIS
TSB Revision
CONTROLLER AREA NETWORK (CAN)
54C-65
STEP 11. Using scan tool MB991958, diagnose the CAN
bus line. (checking the AWC-ECU for internal short to
ground)
CAUTION
Strictly observe the specified wiring harness repair proce-
dure. For details refer to
P.54C-7
.
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 AWC-ECU connector C-46.
(2) Connect scan tool MB991958 to the data link connector.
(3) Turn the ignition switch to the "ON" position.
AC608435
Data link connector
MB991827
MB991824
MB991910
AB