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Engine Control System (Service Information): ECM: Removal: Removal

NOTE:

Replace the ECM with a new one if necessary.

  1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 
  2. REMOVE FRONT WIPER ARM HEAD CAP (for Hatchback)  . Refer to REMOVAL - Step 2
  3. REMOVE FRONT WIPER ARM HEAD CAP (for Sedan)  . Refer to REMOVAL - Step 2
  4. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY LH (for Hatchback)  . Refer to REMOVAL - Step 3
  5. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY LH (for Sedan)  . Refer to REMOVAL - Step 3
  6. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY RH (for Hatchback)  . Refer to REMOVAL - Step 4
  7. REMOVE FRONT WIPER ARM AND BLADE ASSEMBLY RH (for Sedan)  . Refer to REMOVAL - Step 4
  8. REMOVE HOOD TO COWL TOP SEAL (for Hatchback)  . Refer to REMOVAL - Step 5
  9. REMOVE COWL SIDE VENTILATOR SUB-ASSEMBLY LH (for Sedan)  . Refer to REMOVAL - Step 5
  10. REMOVE COWL SIDE VENTILATOR SUB-ASSEMBLY RH (for Sedan)  . Refer to REMOVAL - Step 6
  11. REMOVE COWL TOP VENTILATOR LOUVER LH (for Hatchback)  . Refer to REMOVAL - Step 7
  12. REMOVE COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY (for Hatchback)  . Refer to REMOVAL - Step 6
  13. REMOVE COWL TOP VENTILATOR LOUVER SUB-ASSEMBLY (for Sedan LHD)  . Refer to REMOVAL - Step 7
  14. REMOVE WINDSHIELD WIPER MOTOR AND LINK (for Hatchback)  . Refer to REMOVAL - Step 8
  15. REMOVE WINDSHIELD WIPER MOTOR AND LINK (for Sedan)  . Refer to REMOVAL - Step 8
  16. REMOVE COWL TO REGISTER DUCT SUB-ASSEMBLY NO. 2 (for Hatchback)  . Refer to REMOVAL - Step 20
  17. REMOVE FRONT AIR SHUTTER SEAL (for Sedan) 
    1. Disengage the 3 claws and remove the front air shutter seal.
      Fig 1: Identifying Front Air Shutter Seal Claws
      GTY237575Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  18. REMOVE COWL TOP PANEL OUTER (for Hatchback)  . Refer to REMOVAL - Step 22
  19. REMOVE COWL TOP PANEL OUTER (for Sedan) 
    1. Disengage the claw and disconnect the wire harness.
      Fig 2: Identifying Wire Harness Claw
      GTY237574Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Remove the 2 bolts and remove the cowl top panel outer center bracket.
      Fig 3: Identifying Cowl Top Panel Outer Center Bracket Bolts
      GTY237576Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the 8 bolts and remove the cowl top panel outer.
      Fig 4: Identifying Cowl Top Panel Outer Bolts
      GTY233964Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  20. REMOVE ECM 
    Fig 5: Identifying Lock Knobs And Harness Clamp
    GTY234556Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the 2 lock knobs and harness clamp.
    2. Disconnect the 2 ECM connectors.
      Fig 6: Identifying ECM Connectors Bolts And Nuts
      GTY234580Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the bolt and 2 nuts and remove the ECM.
  21. REMOVE ECM BRACKET 
    Fig 7: Locating ECM Bracket Screws
    GTY162368Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the 2 screws and the ECM bracket.
  22. REMOVE ECM BRACKET NO. 2 
    Fig 8: Identifying ECM Bracket No. 2 With Screws
    GTY162927Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the 2 screws and ECM bracket No. 2.
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