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HOMESERVICE MANUALSINFINITI2019Q70 3.7 LUXE, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 13 (ENGINE CONTROL SYSTEM (5.6L) (DTC/CIRCUIT DIAGNOSIS) (6 OF 9))DTC/CIRCUIT DIAGNOSISDTC P1238, P2119: ELECTRIC THROTTLE CONTROL ACTUATORDTC LOGICDTC CONFIRMATION PROCEDURE
2019 Infiniti Q70 3.7 Luxe, AWD

DTC Confirmation Procedure

2019 Infiniti Q70 3.7 Luxe, AWDSECTION DTC Confirmation Procedure
WARNING: This page is about a different variant/trim than selected.
  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 8 V or more at idle.

    .

  2. PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION A AND B 
    1. Turn ignition switch ON and wait at least 1 second.
    2. Shift selector lever position to D and wait at least 3 seconds.
    3. Shift selector lever position to P.
    4. Turn ignition switch OFF and wait at least 10 seconds.
    5. Turn ignition switch ON and wait at least 1 second.
    6. Shift selector lever position to D and wait at least 3 seconds.
    7. Shift selector lever position to P.
    8. Turn ignition switch OFF, wait at least 10 seconds, and then turn ON.
    9. Check DTC.

    Is DTC detected?

    YES

    Proceed to Diagnosis Procedure .

    NO

    .

  3. PERFORM DTC CONFIRMATION PROCEDURE FOR MALFUNCTION C 
    1. Turn ignition switch ON and wait at least 1 second.
    2. Shift selector lever position to D and wait at least 3 seconds.
    3. Shift selector lever position to P.
    4. Start engine and let it idle for 3 seconds.
    5. Check DTC.

    Is DTC detected?

    YES

    Proceed to Diagnosis Procedure .

    NO

    INSPECTION END

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.