Diagnostic Procedure
- CHECK INTAKE AIR LEAK
- Start engine and let it idle.
- Listen for an intake air leak after the mass air flow sensor.
OK or NG
OK: GO TO 2.
NG: Discover air leak location and repair.
- REPLACE ECM
- Stop engine.
- Replace ECM.
- Perform initialization of NVIS (NATS) system and registration of all NVIS (NATS) ignition key IDs. Refer to ECM RE-COMMUNICATING FUNCTION .
- Perform ACCELERATOR PEDAL RELEASED POSITION LEARNING .
- Perform THROTTLE VALVE CLOSED POSITION LEARNING .
- Perform IDLE AIR VOLUME LEARNING .
: INSPECTION END