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Home >> Infiniti >> 2024 >> QX55 Essential >> Repair and Diagnosis >> Steering >> Steering Control Systems >> Steering Control System (Direct Adaptive Steering) (DTC/Circuit Diagnosis) (2 Of 2) >> DTC/Circuit Diagnosis >> C13DB-00 Steering Torque Sensor >> DAST 1 >> DTC Description
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DTC Description

DTC DETECTION LOGIC 

DTC No. CONSULT screen terms(Trouble diagnosis content) DTC detected condition
C13DB-00 STEERING TORQUE SENSOR(Steering torque sensor) 1 Diagnosis condition When engine running.
Signal (terminal) Torque sensor main signal
Threshold The signal voltage of steering torque sensor is following condition.
  • Main signal voltage < 0.3 V, 4.7 V < Main signal voltage
Diagnosis delay time 1 second or more continuously
2 Diagnosis condition When engine running.
Signal (terminal) Torque sensor sub signal
Threshold The signal voltage of steering torque sensor is following condition.
  • Sub signal voltage < 0.3 V, 4.7 V < Sub signal voltage
Diagnosis delay time 1 second or more continuously

POSSIBLE CAUSE 

FAIL-SAFE 

DTC CONFIRMATION PROCEDURE 

  1. PRECONDITIONING 
    1. If "DTC CONFIRMATION PROCEDURE" has been previously conducted, always place ignition switch OFF and wait at least 10 seconds before conducting the next test.

    >>

    GO TO 2.

  2. DTC REPRODUCTION PROCEDURE 
    1. SYMBOL CONSULT
      1. Start the engine.
        NOTE: SYMBOL Never drive the vehicle.
      2. Turn the steering wheel.
      3. Select "Self Diagnostic Result" mode of "DAST 1".

    Is DTC "C13DB-00" detected?

    YES>>

    Proceed to diagnosis procedure. Refer to DTC Diagnosis Procedure .

    NO>>

    To check malfunction symptom before repair: Refer to Intermittent Incident .

    NO>>

    Confirmation after repair: Inspection End.