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Home >> Infiniti >> 2008 >> G37 Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - G37 Coupe - DTC U0113, U1000, U1001, U1003, U1010, U1011 & U1024; DTC P0011 Through P0223 >> P0037, P0038, P0057, P0058 Ho2S2 Heater >> DTC Logic >> DTC Confirmation Procedure

DTC Confirmation Procedure

  1. PRECONDITIONING

    If DTC Confirmation Procedure has been previously conducted, always perform the following 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 between 11V and 16V at idle. 

    GO TO 2.

  2. PERFORM DTC CONFIRMATION PROCEDURE

    With CONSULT-III 

    1. Turn ignition switch ON and select "DATA MONITOR" mode with CONSULT-III.
    2. Start engine and warm it up to the normal operating temperature.
    3. Turn ignition switch OFF and wait at least 10 seconds.
    4. Turn ignition switch ON.
    5. Turn ignition switch OFF and wait at least 10 seconds.
    6. Start engine and keep the engine speed between 3,500 and 4,000 RPM for at least 1 minute under no load.
    7. Let engine idle for 1 minute.
    8. Check 1st trip DTC.

    With GST 

    Follow the procedure "With CONSULT-III" above.

    Is 1st tip DTC detected? 

    YES: Go to "DIAGNOSIS PROCEDURE ".

    NO: INSPECTION END

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