Diagnostic Procedure

Confirm that PCV hose is connected correctly.

OK or NG

1. OK: go to 2.
2. NG: Repair or replace.

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 3.
2. NG: Discover air leak location and repair.

1. Stop engine.
2. Replace ECM.
3. Perform initialization of NATS system and registration of all NATS ignition key IDs. Refer to ECM RE-COMMUNICATING FUNCTION .
4. Perform ACCELERATOR PEDAL RELEASED POSITION LEARNING  .
5. Perform THROTTLE VALVE CLOSED POSITION LEARNING  .
6. Perform IDLE AIR VOLUME LEARNING  .
   1. Inspection end