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Home >> Infiniti >> 2004 >> FX35 AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> DTC P1574 ASCD Vehicle Speed Sensor >> Diagnostic Procedure
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Diagnostic Procedure

  1. Check DTC With TCM 

    Check DTC with TCM. Refer to ON BOARD DIAGNOSTIC (OBD) SYSTEM .

    OK or NG

    1. OK: Go to 2.
    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

    1. OK: Go to 3.
    2. NG: Repair or replace.

  3. Check DTC With Unified Meter And A/C AMP  .

    Refer to COMBINATION METERS .

    1. >> Inspection end