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Home >> Infiniti >> 2015 >> Q70 Hybrid >> Repair and Diagnosis >> Steering >> Steering Control Systems >> Steering Control System (Hybrid) >> DTC/Circuit Diagnosis >> DTC U0428: Steering Angle Sensor Module >> Diagnosis Procedure
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Diagnosis Procedure

  1. CHECK STEERING ANGLE SENSOR SYSTEM

    Check steering angle sensor system. Refer to DIAGNOSIS PROCEDURE .

    Is the inspection result normal?

    YES 

    GO TO STEP 2  .

    NO 

    Repair or replace error-detected parts.

  2. PERFORM SELF-DIAGNOSIS

    WITH CONSULT: 

    1. Turn the ignition switch OFF and wait for at least 10 seconds.
    2. Turn the ignition switch OFF to ON and wait for at least 12 seconds.
    3. Perform self-diagnosis for "EPS".

    Is DTC "U0428" detected?

    YES 

    Power steering control module is malfunction. Replace power steering oil pump assembly. Refer to REMOVAL AND INSTALLATION (With heated steering wheel), REMOVAL AND INSTALLATION (Without heated steering wheel).

    NO 

    Check the pin terminals for damage or loose connection with harness connector. If any items are damaged, repair or replace error-detected parts.