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Engine Control System (2GR-FE) (Service Information) (Except Hybrid): ECM: Installation: Installation

  1. INSTALL NO. 2 ECM BRACKET 
    1. Install the 2 screws and No. 2 ECM bracket.
      Fig 1: Identifying No. 2 ECM Bracket Screws
      GTY176866Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSTALL NO. 1 ECM BRACKET 
    1. Install the 2 screws and No. 1 ECM bracket.
      Fig 2: Identifying No. 1 ECM Bracket Screws
      GTY188784Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. INSTALL ECM 
    1. Install the 2 nuts, bolt and ECM.
      Fig 3: Identifying ECM Nuts & Bolt
      GTY186874Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Torque: 8.0 N*m (82 kgf*cm, 71 in.*lbf) 

    2. Install the wire harness clamp.
    3. Connect the 5 ECM connectors.
    4. Install the harness connector.
  4. INSTALL TIRE PRESSURE WARNING ECU  . Refer to INSTALLATION - Step 1
  5. INSTALL CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) (w/ Smart Key System)  . Refer to INSTALLATION - Step 1
  6. INSTALL LOWER INSTRUMENT PANEL SUB-ASSEMBLY  . Refer to INSTALLATION - Step 23
  7. INSTALL NO. 2 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY  . Refer to INSTALLATION - Step 24
  8. INSTALL COWL SIDE TRIM SUB-ASSEMBLY RH 

    HINT: 

    Use the same procedures for the RH side and the LH side. Refer to INSTALLATION - Step 29 .

  9. INSTALL FRONT DOOR SCUFF PLATE RH 

    HINT: 

    Use the same procedures for the RH side and the LH side. Refer to INSTALLATION - Step 30 .

  10. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL 
    NOTE:

    When disconnecting the cable, some systems need to be initialized after the cable is reconnected. Refer to INITIALIZATION .

  11. RESISTER TRANSMITTER ID 
    NOTE:

    If the tire pressure warning ECU is replaced, resister the transmitter ID. Refer to REGISTRATION .

  12. INSPECT TIRE PRESSURE WARNING SYSTEM 
    NOTE:

    If the tire pressure warning ECU is replaced, inspect the tire pressure warning system. Refer to TEST MODE PROCEDURE .

  13. INITIALIZE TIRE PRESSURE WARNING SYSTEM 
    NOTE:
    • Be sure to register the transmitter IDs of all tires in the ECU before initialization.
    • Be sure to inflate all tires to the proper inflation pressure before initialization.

    HINT: 

    Refer to INITIALIZATION

  14. REGISTER IMMOBILIZER COMMUNICATION ID 
    NOTE:

    If the ECM is replaced, register the ECU communication ID for the immobilizer system. Refer to REGISTRATION w/ Smart Key System. Refer to REGISTRATION w/o Smart Key System).

  15. PERFORM INITIALIZATION 
    NOTE:

    If the ECM is replaced, perform RESET MEMORY (AT initialization). Refer to INITIALIZATION .

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