LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2024 >> Q50 Luxe, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (2 Of 2) >> Removal And Installation >> ECM >> ECM : Removal and Installation
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

ECM : Removal and Installation

CAUTION:

Perform ADDITIONAL SERVICE WHEN REPLACING ECM. Refer to Work Procedure .

REMOVAL 

  1. Remove air duct (inlet). Refer to AIR CLEANER AND AIR DUCT : Exploded View .
  2. Remove hoodledge cover (RH) and cowl top cover (RH). Refer to COWL TOP : Exploded View .
  3. Remove air cleaner body (bank 1). Refer to AIR CLEANER AND AIR DUCT : Exploded View .
  4. Remove clip of water hose 1 installed to ECM bracket.
  5. Disconnect the ECM harness connectors. Refer to HARNESS CONNECTOR (LEVER LOCKING TYPE) in Component Description .
  6. Disconnect harness (A) installed to air cleaner cover (bank 1) (B) and move air cleaner cover (bank 1) to secure work space.
    GNSDB149120Courtesy of NISSAN NORTH AMERICA, INC.
  7. Remove bracket nut of water pipe installed to ECM bracket.
    NOTE: Do not bend water hose 1 forcibly.
  8. Remove the bolts of the ECM bracket.
  9. Remove the ECM assembly from the vehicle.
  10. Remove the ECM from the bracket.

INSTALLATION 

Install in the reverse order of removal.