Diagnostic Procedure

WARNING: This page is about a different car, the 2004 Infiniti FX45. However, it is still accessible from the selected car via links, so may be relevant.

Check DTC With TCM
Check DTC with TCM. Refer to TROUBLE DIAGNOSIS .

OK or NG
1. OK: go to 2.
2. NG: Perform trouble shooting relevant to DTC indicated.
Check TCM Function
Refer to TROUBLE DIAGNOSIS .

OK or NG
1. OK: go to 3.
2. NG: Replace TCM. Refer to PRECAUTIONS .
Replace ECM
1. Replace ECM.
2. Perform initialization of IVIS (NATS) system and registration of all IVIS (NATS) ignition key IDs. Refer to ECM RE-COMMUNICATING FUNCTION .
3. Perform ACCELERATOR PEDAL RELEASED POSITION LEARNING .
4. Perform THROTTLE VALVE CLOSED POSITION LEARNING .
5. Perform IDLE AIR VOLUME LEARNING .
1. Inspection end