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Home >> Nissan-Datsun >> 2006 >> Altima SE-R, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 208 (Engine Control System) >> DTC P1574: ASCD Vehicle Speed Sensor >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2005 Nissan Quest. 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 OBD-II FUNCTION FOR A/T SYSTEM - 4 SPEED or OBD-II FUNCTION FOR A/T SYSTEM - 5 SPEED .

    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 - ABS/TCS SYSTEM " or "TROUBLE DIAGNOSIS - ABS/TCS/VDC SYSTEM "

    OK or NG

    • OK: INSPECTION END 
    • NG: Repair or replace.
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