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TROUBLESHOOTING ANTI-SKID BRAKING SYSTEM (ABS) 35B-67 DIAGNOSIS STEP 1. Voltage measurement at ABS-ECU (1) Disconnect the connector A-03, and connect special tool ABS Check Harness (MB991974) to (2) Turn the ignition switch to the "ON" position. earth. OK: System voltage Q: Is the check result normal? YES : Go to Step 3. NO : Go to Step 2. AC312620AK Oil reservoir Connector: A-03 ABS-ECU MB991974 Check connector A-03 Harness connector A-03 Hydraulic unit |