Diagnostic Procedure

WARNING: This page is about a different car, the 2005 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.

CHECK INTAKE AIR LEAK
1. Start engine and let it idle.
2. Listen for an intake air leak after the mass air flow sensor.
OK or NG
1. OK: GO TO 2.
2. NG: Discover air leak location and repair.
REPLACE ECM
1. Stop engine.
2. Replace ECM.
3. Perform initialization of IVIS (NATS) system and registration of all IVIS (NATS) ignition key IDs. Refer to "ECM RE-COMMUNICATING FUNCTION ".
4. Perform "VIN Registration ".
5. Perform "Accelerator Pedal Released Position Learning ".
6. Perform "Throttle Valve Closed Position Learning ".
7. Perform "Idle Air Volume Learning ".
1. : INSPECTION END