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DIAGNOSIS TSB Revision ACTIVE SKID CONTROL SYSTEM (ASC) 35C-131 STEP 1. Using scan tool MB991958, diagnose the CAN bus YES : Go to Step 3. − Troubleshooting .) After repairing the CAN bus line, go to Step 2. STEP 2. DTC recheck after repairing the CAN bus line YES : Go to Step 3. STEP 3. Brake pedal check Q: Is the check result normal? YES : Go to Step 4. − .) Then go to Step 7. STEP 4. Check of stoplight switch installation status Q: Is the check result normal? YES : Go to Step 5. 35A − On-vehicle Service .) Then go to Step 7. STEP 5. Brake booster check Q: Is the check result normal? YES : Go to Step 6. − Master Cylinder Assembly and Brake Booster .) Then go to Step 7. STEP 6. Check whether the DTC is reset. YES : Replace the hydraulic unit (incorporates in .) Then go to Step 7. NO : Intermittent malfunction. (Refer to GROUP 00 − How to Cope with Intermittent Malfunction .) STEP 7. Check whether the DTC is reset. YES : Return to Step 1. |