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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different car >> Section 1430 (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 350Z. 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 "VDC/TSC/ABS CONTROL UNIT (WITH VDC MODELS)" OR "ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) (WITHOUT VDC MODELS)" 

    Refer to "TROUBLE DIAGNOSIS " or refer to "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 "COMBINATION METERS ".

    • : INSPECTION END