Section 126 (Engine Control System (Service Information)): ECM: Installation: Installation

WARNING: This page is about a different car, the 2011 Lexus IS 250. However, it is still accessible from the selected car via links, so may be relevant.

INSTALL ECM
1. Install the ECM to the ECM box.
  
  Fig 1: Installing ECM To ECM Box
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  NOTE:
  - Install the ECM on the ECM box with the name plate facing the inside of the vehicle.
  - 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 stud bolts are securely installed into the front and rear bolt holes.
2. Install the 2 nuts.
  
  Fig 2: Identifying ECM Nuts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Torque: 5.5 N.m (56 kgf cm, 49 in. lbf)
  
  NOTE:
  Be sure to first tighten the nut on the vehicle rear.
3. Connect the ECM connectors.
  1. Connect the 6 ECM connectors.
    NOTE:
    Be sure to securely connect the connector.
  2. Connect the connector holder to the ECM box.
INSTALL ECM COVER
1. Install the ECM cover with the 3 bolts.
  
  Fig 3: Identifying ECM Cover & Bolts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Torque: 5.5 N.m (56 kgf cm, 49 in. lbf)
  
  NOTE:
  Make sure that the wire harness does not get caught between the parts.
INSTALL ENGINE ROOM SIDE COVER LH . Refer to INSTALLATION - Step 116
INSTALL COOL AIR INTAKE DUCT SEAL . Refer to INSTALLATION - Step 118
REMOVE REGISTRATION
NOTE:
The Vehicle Identification Number (VIN) must be input into the replacement ECM. Refer to REGISTRATION