LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2006 >> Prius >> Repair and Diagnosis >> Engine Performance >> Engine Control System (1NZ-FXE) >> ECM >> Removal
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Engine Control System (1NZ-FXE): ECM: Removal

  1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL 
    CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.
  2. REMOVE INSTRUMENT PANEL SUB-ASSEMBLY 
    1. Remove the instrument panel (see REMOVAL ).
  3. REMOVE NO. 3 HEATER TO REGISTER DUCT (See  REMOVAL  ) 
  4. REMOVE ECM 
    1. Disconnect the 4 ECM connectors.
    2. Disconnect the 4 hybrid vehicle control ECU connectors.
      Fig 1: Disconnecting 4 ECM Connectors
      G04472360Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    3. Remove the 2 nuts and bolt, and ECM with bracket.
      Fig 2: Removing ECM With Bracket
      G04472361Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Remove the 2 nuts and ECM.
      Fig 3: Removing Nuts And ECM
      G04472362Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    5. Remove the 6 screws and 3 No. 1 ECM brackets.
      Fig 4: Removing Screws And 3 No. 1 ECM Brackets
      G04472363Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    6. Remove the 4 screws and 2 No. 2 ECM brackets.
      Fig 5: Removing Screws And 2 No. 2 ECM Brackets
      G04472364Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    7. Remove the 2 screws and No. 3 ECM bracket.
      Fig 6: Removing Screws And No. 3 ECM Bracket
      G04472365Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002