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Home >> Infiniti >> 2017 >> QX80 Base, RWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (DTCS) (2 Of 4) >> DTC/Circuit Diagnosis >> DTC P0340, P0345: CMP Sensor >> DTC Logic >> DTC Confirmation Procedure
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DTC Confirmation Procedure

  1. PRECONDITIONING

    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 10.5 V or more with ignition switch ON. 

    GO TO STEP 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 STEP 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

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