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Home >> Infiniti >> 2012 >> FX50 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (VK50VE) - FX50 - DTC P0137 Through P0456 >> DTC P0340, P0345: CMP Sensor >> DTC Logic >> DTC Confirmation Procedure

DTC Confirmation Procedure

  1. PRECONDITIONING

    If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test:

    1. Turn ignition switch OFF and wait at least 10 seconds.
    2. Turn ignition switch ON.
    3. Turn ignition switch OFF and wait at least 10 seconds.

    TESTING CONDITION: 

    Before performing the following procedure, confirm that battery voltage is more than 10.5 V with ignition switch ON: 

    : GO TO 2.

  2. PERFORM DTC CONFIRMATION PROCEDURE-I
    1. Start engine and let it idle for at least 5 seconds.

      If engine does not start, crank engine for at least 2 seconds.

    2. Check 1st trip DTC.

    Is 1st trip DTC detected? 

    YES: Go to "DIAGNOSIS PROCEDURE ".

    NO: GO TO 3.

  3. PERFORM DTC CONFIRMATION PROCEDURE-I
    1. Maintain engine speed at more than 800 RPM for at least 5 seconds.
    2. Check 1st trip DTC.

    Is 1st trip DTC detected? 

    YES: Go to "DIAGNOSIS PROCEDURE ".

    NO: INSPECTION END