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Home › Infiniti › 2004 › FX45 › Repair and Diagnosis › Engine Performance › Engine Control System › DTC P1720 Vehicle Speed Sensor (A/T Output) › Diagnostic Procedure

Diagnostic Procedure

  1. Check DTC With TCM 

    Check DTC with TCM. Refer to TROUBLE DIAGNOSIS .

    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) 

    Check DTC with ABC actuator and electric unit (control unit). Refer to TROUBLE DIAGNOSIS .

    OK or NG

    1. OK: go to 3.
    2. NG: Perform trouble shooting relevant to DTC indicated.

  3. Check Unified Meter And A/C AMP 

    Check combination meter function. Refer to UNIFIED METER AND A/C AMP .

    1. Inspection end 
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