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Home › Nissan-Datsun › 2005 › Altima SE-R, Automatic › Repair and Diagnosis › Engine Performance › Engine Control System - VQ35DE › DTC P1574: ASCD Vehicle Speed Sensor › Diagnostic Procedure

Diagnostic Procedure

  1. CHECK DTC WITH TCM 

    Check DTC with TCM. Refer to TROUBLE DIAGNOSIS .

    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 (models without TCS) or " TROUBLE DIAGNOSIS " (models with TCS).

    OK or NG

    • OK: GO TO 3.
    • NG: Repair or replace.
  3. CHECK COMBINATION METER FUNCTION 

    Refer to " COMBINATION METER ".

    • : INSPECTION END 
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