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Home >> Infiniti >> 2008 >> M35 Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (VQ35DE) - DTCS P1220 To P2A03 >> DTC P1574: ASCD Vehicle Speed Sensor >> Diagnostic Procedure
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Diagnostic Procedure

  1. CHECK DTC WITH TCM 

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

    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 DIAGNOSIS ".

    OK or NG 

    OK: GO TO 3.

    NG: Repair or replace.

  3. CHECK DTC WITH "UNIFIED METER AND A/C AMP." 

    Refer to "UNIFIED METER AND A/C AMP ".

    >> INSPECTION END 

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