WARNING: This page is about a different variant/trim than selected.

INSTALL ECM
1. Install the 2 ECM brackets onto the ECM with the 4 screws.
  
  Fig 1: Locating ECM With Screws
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Install the ECM with the 3 bolts.
  Torque: 8.0 N*m (82 kgf*cm, 71 in.*lbf)
  
  Fig 2: Locating ECM With Bolts
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Connect the 2 ECM connectors.
  1. Connect the 2 ECM connectors and lower the 2 levers.
    NOTE:
    When connecting the connectors, make sure that dirt, water or other foreign matter does not get caught between the connectors and other parts.
    
    Make sure that the 2 levers are securely locked.
  Fig 3: Connecting ECM Connectors And Lower Levers
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Install the wire harness clamp.
INSTALL AIR CLEANER CASE (See INSTALLATION )
INSTALL AIR CLEANER CAP SUB-ASSEMBLY WITH HOSE (See INSTALLATION )
INSTALL NO. 1 ENGINE COVER SUB-ASSEMBLY (See INSTALLATION )
CONNECT CABLE TO NEGATIVE BATTERY TERMINAL

Fig 4: Locating Wire Harness Clamp
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
PERFORM INITIALIZATION
HINT:

Initialization cannot be completed by only removing the cable from the battery.
1. Perform Reset Memory (AT initialization) when replacing the ECM. (for Automatic Transaxle)
  HINT:
  - See INITIALIZATION (for U250E)
  - See INITIALIZATION (for U140F)
2. Perform Registration (VIN registration) when replacing the ECM (See REGISTRATION ).

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.

• Brakes feel soft, pull hard to one side, or make grinding noises.

• The engine overheats, stalls repeatedly, or misfires under load.

• You are missing required tools, torque specs, or safe lifting equipment.

• You are not confident in the next step or safety outcome.

Safety Warning

Section 7 (Engine Control System (2AZ-FE)): ECM: Installation