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Home >> Nissan-Datsun >> 2006 >> Quest Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P1212 To P2A03 >> DTC P1574 ASCD Vehicle Speed Sensor >> Diagnostic Procedure

Diagnostic Procedure

  1. CHECK DTC WITH TCM 

    Check DTC with TCM. Refer to , "OBD-II DIAGNOSTIC TROUBLE CODE (DTC) " (4-speed A/T models) or , "OBD-II DIAGNOSTIC TROUBLE CODE (DTC) " (5-speed A/T models).

    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 " or , "TROUBLE DIAGNOSIS ".

    OK or NG 

    OK : INSPECTION END 

    NG : Repair or replace.

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