Diagnostic Procedure

WARNING: This page is about a different car, the 2004 Nissan Titan. 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 NVIS (NATS) system and registration of all NVIS (NATS) ignition key IDs. Refer to ECM RE-COMMUNICATING FUNCTION in POWER LOCKS, REMOTE KEYLESS ENTRY & ANTI-THEFT SYSTEMS - TITAN article in ACCESSORIES & BODY, CAB. .
4. Perform ACCELERATOR PEDAL RELEASED POSITION LEARNING in BASIC DIAGNOSTIC PROCEDURES - TITAN article.
5. Perform THROTTLE VALVE CLOSED POSITION LEARNING in BASIC DIAGNOSTIC PROCEDURES - TITAN article.
6. Perform IDLE AIR VOLUME LEARNING in BASIC DIAGNOSTIC PROCEDURES - TITAN article.
1. INSPECTION END