Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Infiniti >> 2006 >> Q45 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Q45 - DTC P1211 Through P2A03 >> DTC P1574 ASCD Vehicle Speed Sensor >> Diagnostic Procedure

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 VDC/TCS/ABS CONTROL UNIT 

    Refer to "TROUBLE DIAGNOSIS ".

    OK or NG 

    1. OK: GO TO 3.
    2. NG: Repair or replace.
  3. CHECK COMBINATION METER 

    Refer to "COMBINATION METERS ".

    1. : INSPECTION END