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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different car >> Section 1389 (Engine Control System - VQ35DE) >> DTC P1574: ASCD Vehicle Speed Sensor >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2005 Infiniti FX35. 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)" 

    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 
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