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STEP 11. Voltage measurement at the A-01 ABS-ECU ZC601292 0009 ABS-ECU MB991974 Check harness A-01 ABS-ECU (1) Disconnect the ABS-ECU connector, connect special tool (2) Turn the ignition switch to the ON position. (3) Measure the voltage between the wheel speed sensor circuit OK: Approximately battery voltage Q:Is the check result normal? YES: Go to Step 13. NO: Go to Step 12. STEP 12. Connector check: A-01 ABS-ECU connector, Q:Is the check result normal? YES: Replace the wheel speed sensor. NO: Repair the defective connector. STEP 13. Wiring harness check between A-01 ABS-ECU ⦆ Check for open circuit in wheel speed sensor <RR> circuit Q:Is the check result normal? YES: Go to Step 14. NO: Repair the wiring harness. STEP 14. Check whether the diagnostic trouble code is (1) Erase the diagnostic trouble code. (2) Drive the vehicle at 12mph (20 km/h) or more. NOTE: The ABS warning light does not turn OFF in some cases unless the vehicle runs at 12mph (20 km/h) or Q:Is DTC C1032 set? YES: Replace the ABS-ECU. NO: Intermittent malfunction (Refer to GROUP 00 - How to Cope with Intermittent Malfunction P.00-15). ANTI-LOCK BRAKING SYSTEM (ABS) 35B-51 ANTI-LOCK BRAKING SYSTEM (ABS) DIAGNOSIS |