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Home >> Infiniti >> 2008 >> EX35 Base, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - DTCS U1000 To P0153 >> P0031, P0032, P0051, P0052 A/F Sensor 1 Heater >> DTC Logic >> DTC Confirmation Procedure

DTC Confirmation Procedure

  1. PRECONDITIONING

    If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.

    TESTING CONDITION: 

    Before performing the following procedure, confirm that battery voltage is between 10.5V and 16V at idle. 

    GO TO 2.

  2. PERFORM DTC CONFIRMATION PROCEDURE
    1. Start engine and let it idle for at least 10 seconds.
    2. Check 1st trip DTC.

    Is 1st trip DTC detected? 

    YES: Go to "DIAGNOSIS PROCEDURE ".

    NG: INSPECTION END

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