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Power Steering Ecu ASSY: Replacement

  1. PRECAUTION (SEE  AIR BAG SAFETY PRECAUTIONS  ) 
  2. DISCONNECT BATTERY NEGATIVE TERMINAL 
  3. REMOVE INSTRUMENT PANEL UNDER COVER SUB-ASSY NO.2 (SEE  REPLACEMENT  ) 
  4. REMOVE INSTRUMENT PANEL GARNISH SUB-ASSY LH (SEE  REPLACEMENT  ) 
  5. REMOVE GLOVE COMPARTMENT PLATE (SEE  REPLACEMENT  ) 
  6. REMOVE CHOKE KNOB HOLE COVER (SEE  REPLACEMENT  ) 
  7. REMOVE GLOVE COMPARTMENT DOOR ASSY W/INSTRUMENT PANEL AIRBAG ASSY LOWER NO.2 (SEE  REPLACEMENT  ) 
    Fig 1: Locating Nut
    G01052194Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  8. 8. REMOVE POWER STEERING ECU ASSY 
    1. Disconnect the power steering ECU connector and headlamp swivel ECU connector.
    2. Remove the 2 nuts.
    3. Remove the power steering ECU with the bracket and headlamp swivel ECU.

      If necessary, disconnect the connectors placed around the power steering ECU and headlamp swivel ECU.

      Fig 2: Removing Power Steering ECU From Bracket
      G01052195Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Remove the power steering ECU from the bracket.
  9. INSTALL POWER STEERING ECU ASSY 
    1. Install the power steering ECU to the bracket.
      Fig 3: Installing Power Steering ECU To Bracket
      G01052196Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Install the power steering ECU with the bracket and head-lamp swivel ECU.
    3. Tighten the 2 nuts.

      Torque: 5.5 N.m (56 kgf.cm, 48 in. lbf) 

    4. Connect the power steering ECU connector and headlamp swivel ECU connector.

      If you disconnect the connectors placed around the power steering ECU and headlamp swivel ECU in step  8, reconnect them.

      Fig 4: Locating Nut
      G01052197Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  10. INSTALL GLOVE COMPARTMENT DOOR ASSY W/INSTRUMENT PANEL AIRBAG ASSY LOWER NO.2 (SEE  REPLACEMENT  ) 
  11. INSTALL CHOKE KNOB HOLE COVER (SEE  REPLACEMENT  ) 
  12. INSTALL GLOVE COMPARTMENT PLATE (SEE  REPLACEMENT  ) 
  13. INSTALL INSTRUMENT PANEL GARNISH SUB-ASSY LH (SEE  REPLACEMENT  ) 
  14. INSTALL INSTRUMENT PANEL UNDER COVER SUB-ASSY NO.2 (SEE  REPLACEMENT  ) 
  15. CONNECT BATTERY NEGATIVE TERMINAL 
  16. PERFORM INITIALIZATION (SEE  POWER STEERING SYSTEM  ) 
  17. INSPECT SRS WARNING LIGHT (SEE  ABS WARNING LIGHT CIRCUIT (REMAINS ON)  )