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FOG LIGHT TSB Revision CHASSIS ELECTRICAL 54A-233 STEP 2. Using scan tool MB991958, diagnose the CAN bus CAUTION To prevent damage to scan tool MB991958, always turn the scan tool (M.U.T.-III) (2) Turn the ignition switch to the "ON" position. YES : Go to Step 3. ). STEP 3. Using scan tool MB991958, read the combination Check whether the combination meter-related DTC is set. (3) Turn the ignition switch to the "LOCK" (OFF) position. YES : Diagnose the combination meter (Refer to combination meter, Diagnosis NO : Go to Step 4. STEP 4. Using scan tool MB991958, check actuator test. check that the fog light indicator illuminates (Refer to ). (3) Turn the ignition switch to the "LOCK" (OFF) position. YES : Replace the ETACS-ECU. AC608435 Data link connector MB991827 MB991824 MB991910 AB |