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Home >> Infiniti >> 2004 >> QX56 RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System >> DTC P1574: ASCD Vehicle Speed Sensor >> Diagnostic Procedure

Diagnostic Procedure

  1. CHECK DTC WITH TCM 

    Check DTC with TCM. Refer to OBD-II DIAGNOSTIC TROUBLE CODE (DTC) .

    OK or NG

    OK: GO TO 2.

    NG: Perform trouble shooting relevant to DTC indicated.

  2. CHECK DTC WITH ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) 

    Refer to TROUBLE DIAGNOSIS .

    OK or NG

    OK: GO TO 3.

    NG: Repair or replace.

  3. CHECK COMBINATION METER 

    Check combination meter function.

    Refer to COMBINATION METERS .

    : INSPECTION END 

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