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Home >> Hyundai >> 2010 >> Azera GLS >> Repair and Diagnosis >> Brakes >> Traction Control >> Anti-Lock Brake System)/Electronic Stability Control (Abs/ESC) Diagnosis >> DTC C1201: Wheel Speed Sensor Front-LH Range/Performance/Intermittent >> Inspection Repair >> Component Inspection

Component Inspection

  1. Ignition "OFF".
  2. Engine "ON".
  3. Start and drive vehicle in gear and maintain vehicle speed is approx. 12km/h or more ( 7mph or more).
  4. Does warning lamp remain On?

    YES 

    • Substitute with a known-good HECU and check for proper operation. If problem is corrected, replace HECU and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO 

    • Fault is intermittent caused by poor connection in wheel speed sensor harness ( FL), Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
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