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Home >> Infiniti >> 2004 >> Q45 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> DTC P1780: Shift Change Signal >> Diagnostic Procedure >> 3. Replace ECM

3. 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 
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