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Home >> Infiniti >> 2004 >> FX35 RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 259 (Engine Control System) >> DTC P1574 ASCD Vehicle Speed Sensor >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2004 Infiniti FX45. 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 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) 

    Go to TROUBLE DIAGNOSIS .

    OK or NG

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

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

    Refer to UNIFIED METER AND A/C AMP .

    1. Inspection end