Diagnosis Procedure
WARNING: This page is about a different car, the 2012 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK INTAKE AIR LEAKAGE
- Start engine and let it idle.
- Listen for an intake air leakage after the mass air flow sensor.
Is intake air leakage detected?
YES: Discover air leakage location and repair.
NO: GO TO 2.
- REPLACE ECM
- Stop engine.
- Replace ECM.
- Perform additional service when replacing ECM. Refer to "WORK PROCEDURE ".
: INSPECTION END