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Home >> Nissan-Datsun >> 2005 >> Quest SL >> Repair and Diagnosis >> External Pages >> Different car >> Section 341 (Engine Control System) >> DTC P1574: ASCD Vehicle Speed Sensor >> Diagnostic Procedure
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Diagnostic Procedure

WARNING: This page is about a different car, the 2005 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
  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 DIAGNOSISTROUBLE DIAGNOSIS or TROUBLE DIAGNOSIS .

    OK or NG

    • OK: GO TO  3.
    • NG: Repair or replace.
  3. CHECK DTC WITH UNIFIED METER AND A/C AMP  .

    Refer to SELF-DIAGNOSTIC RESULTS .

    • INSPECTION END