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Home >> Hyundai >> 2008 >> Tucson GLS, Automatic >> Repair and Diagnosis >> Brakes >> Traction Control >> Abs (Anti-Lock Brake System) >> Troubleshooting >> Diagnostic Trouble Code Chart >> DTC C1259: Steering Angle Sensor-Electrical >> Inspection Procedure

Inspection Procedure

  1. CHECK INSTALLING OF STEERING ANGLE SENSOR

    Check if the steering angle sensor is properly installed. Is the installing proper?

    NO 

    • Reinstall the steering angle sensor properly.

    YES 

    • Check power of steering angle sensor
  2. CHECK POWER OF STEERING ANGLE SENSOR

    Disconnect the steering angle sensor connector, and measure the voltage between terminals 2 and 3 of the steering angle sensor connector.

    Specification: 9~16 V

    Is the voltage within the specification?

    NO 

    • Check harness and connector between the HECU and the steering angle sensor.

    YES 

    • Check output voltage of steering angle sensor
  3. CHECK OUTPUT VOLTAGE OF STEERING ANGLE SENSOR

    Measure the voltage between terminal 1,4, and 5 of the steering angle sensor connector and the body ground.

    Specification: High: 3.0~4.1V

    Low: 1.3~2.0V

    Is the voltage within the specification?

    NO 

    • Check harness and connector of the steering angle sensor. If no error on the harness and the connector, replace the steering angle sensor and recheck.

    YES 

    • Check output of HECU connector
  4. CHECK OUTPUT OF HECU CONNECTOR

    Measure the voltage between terminal 8,40, and 39 of the HECU connector and the body ground.

    Specification: High: 3.0~4.1V

    Low: 1.3~2.0V

    Is the voltage within the specification?

    NO 

    • Repair harness and connector between the HECU and the steering angle sensor.

    YES 

    • After clearing the DTC and driving the vehicle at 40Km/h speed or more, if the ESC lamp is ON and the same DTC shows again, replace the HECU and recheck.
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