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ANTI-SKID BRAKING SYSTEM (ABS) DIAGNOSIS TSB Revision ANTI-LOCK BRAKING SYSTEM (ABS) 35B-19 CIRCUIT OPERATION • The ON signal when the brake pedal is pressed ABS DTC SET CONDITION • Stoplight switch is not operating properly and • Stoplight switch system harness is damaged and TROUBLESHOOTING HINTS (The most likely • Malfunction of the stoplight switch • Damaged wiring harness or connector • Malfunction of the hydraulic unit (integrated with DIAGNOSIS Required Special Tools: • MB991223: Harness Set • MB991502: Scan Tool (MUT-II) • MB991529: Diagnostic Trouble Code Check Harness STEP 1. Check the stoplight operation. Q: Does the stoplight light or go out correctly? YES : Go to Step 3. AC001985 CONNECTOR: A-02 AD AC004421AB CONNECTORS: C-03, C-06 C-03 C-06 COMBINATION METER AC004409AB CONNECTOR: C-89 AC004412 AB CONNECTOR: C-107 AC004414AB CONNECTOR: C-110 AC004424AB FUSIBLE LINK (2) BATTERY |