Engine Control System - System & Component Testing, R & I: ECM: Installation

INSTALL ECM
1. Install the ECM to the engine room ECU box with the 2 nuts.
  
  Fig 1: Locating ECM Nuts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Torque: 5.5 N*m (56 kgf*cm, 4) in.*lbf)
  NOTE:
  - Install the ECM on the ECM box with the label facing away from the engine.
  - Make sure that there is no foreign matter on the gasket surface of the ECM box.
  - Insert the stud bolt on the vehicle rear side to the ECM first.
  - Make sure that the stud bolts are securely installed into the front and rear bolt holes.
2. Connect the 6 ECM connectors
  NOTE: Be sure to securely connect the connector.
3. Connect the connector holder.
  
  Fig 2: Locating Connector Holder
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL ENGINE ROOM ECU COVER
1. Install the ECM cover with the 3 bolts
  Torque: 5.5 N*m (56 kgf*cm, 49 in.*lbf)
INSTALL ENGINE ROOM SIDE COVER LH (See INSTALLATION )
INSTALL COOL AIR INTAKE DUCT SEAL (See INSTALLATION )
INSTALL V-BANK COVER SUB-ASSEMBLY (See INSTALLATION )
CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
NOTE: When disconnecting the cable, some systems need to be initialized after the cable is reconnected (See INITIALIZATION ).
PERFORM INITIALIZATION
1. When replacing the ECM, some systems need to be initialized
  - Cruise control system (See INSTALLATION )
  - Engine control system (See INSTALLATION )
PERFORM RESET MEMORY
NOTE: Perform RESET MEMORY (AT initialization) when replacing the ECM (See INITIALIZATION ).

HINT

Initialization cannot be completed by only disconnecting and reconnecting the cable to the negative (-) battery terminal
PERFORM REGISTRATION
NOTE: Perform Registration (VIN registration) when replacing the ECM (See REGISTRATION ).

HINT.

Initialization cannot be completed by only disconnecting and reconnecting the cable to the negative (-) battery terminal.