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YES: The short circuit in the wheel speed sensor <FR> circuit may be present. Repair the wiring harness between NO: Repair the defective connector. STEP 11. Voltage measurement at the A-01 ABS-ECU ZC601292 0007 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 14. NO: Go to Step 12. STEP 12. Connector check: A-01 ABS-ECU connector, A-59 Q:Is the check result normal? YES: Go to Step 13. NO: Repair the defective connector. STEP 13. Wiring harness check between A-01 ABS-ECU ⦆ Check for the open circuit in the wheel speed sensor <FR> Q:Is the check result normal? YES: Replace the wheel speed sensor. 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 ANTI-LOCK BRAKING SYSTEM (ABS) 35B-39 ANTI-LOCK BRAKING SYSTEM (ABS) DIAGNOSIS |