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HOMESERVICE MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 1030 (STEERING COLUMN)POWER STEERING ECU ASSYREPLACEMENT
2004 Toyota Matrix XR, FWD, Standard

Power Steering Ecu ASSY: Replacement

2004 Toyota Matrix XR, FWD, StandardSECTION Replacement
WARNING: This page is about a different car, the 2004 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.
  1. PRECAUTION (SEE  AIR BAG SAFETY PRECAUTIONS  ) 
  2. REMOVE REAR FLOOR BOARD NO.2 (SEE  REMOVAL & INSTALLATION AND DISASSEMBLY & REASSEMBLY  ) 
  3. REMOVE DECK FLOOR BOX REAR (SEE  REMOVAL & INSTALLATION AND DISASSEMBLY & REASSEMBLY  ) 
  4. REMOVE REAR FLOOR BOARD NO.3 (SEE  REMOVAL & INSTALLATION AND DISASSEMBLY & REASSEMBLY  ) 
  5. DISCONNECT BATTERY NEGATIVE TERMINAL (SEE  AIR BAG SAFETY PRECAUTIONS  ) 
  6. REMOVE INSTRUMENT PANEL REGISTER ASSY NO.1 (SEE  INSTRUMENT PANEL SUB-ASSY  ) 
  7. REMOVE INSTRUMENT PANEL FINISH PANEL SUB-ASSY LOWER (SEE  INSTRUMENT PANEL SUB-ASSY  ) 
  8. REMOVE INSTRUMENT PANEL FINISH PANEL SUB-ASSY UPPER (SEE  INSTRUMENT PANEL SUB-ASSY  ) 
  9. REMOVE INSTRUMENT PANEL REGISTER ASSY NO.3 (SEE  INSTRUMENT PANEL SUB-ASSY  ) 
  10. REMOVE INSTRUMENT PANEL REGISTER ASSY NO.4 (SEE  INSTRUMENT PANEL SUB-ASSY  ) 
  11. REMOVE INSTRUMENT PANEL REGISTER ASSY NO.2 (SEE  INSTRUMENT PANEL SUB-ASSY  ) 
  12. REMOVE MULTI-DISPLAY ASSY (SEE  INSTRUMENT PANEL SUB-ASSY  ) 
  13. REMOVE GLOVE COMPARTMENT DOOR STOPPER SUB-ASSY (SEE  INSTRUMENT PANEL SUB-ASSY  ) 
  14. REMOVE GLOVE COMPARTMENT DOOR ASSY (SEE  INSTRUMENT PANEL SUB-ASSY  ) 
  15. REMOVE GLOVE COMPARTMENT DOOR (SEE  INSTRUMENT PANEL SUB-ASSY  ) 
  16. REMOVE INSTRUMENT PANEL SPEAKER PANEL SUB-ASSY NO.1 W/CTR SPEAKER (W PREMIUM SOUND SYSTEM) (SEE  INSTRUMENT PANEL SUB-ASSY  ) 
  17. REMOVE FRONT PILLAR GARNISH CORNER PIECE LH (SEE  INSTRUMENT PANEL SUB-ASSY  ) 
  18. REMOVE FRONT PILLAR GARNISH CORNER PIECE RH (SEE  INSTRUMENT PANEL SUB-ASSY  ) 
  19. REMOVE FRONT PILLAR GARNISH LH (SEE  INSTRUMENT PANEL SUB-ASSY  ) 
  20. REMOVE FRONT PILLAR GARNISH RH (SEE  INSTRUMENT PANEL SUB-ASSY  ) 
  21. DISCONNECT PASSENGER AIRBAG CONNECTOR (SEE  INSTRUMENT PANEL SUB-ASSY  ) 
  22. REMOVE INSTRUMENT PANEL SUB-ASSY W/PASSENGER AIRBAG ASSY (SEE  INSTRUMENT PANEL SUB-ASSY  ) 
  23. REMOVE POWER STEERING ECU ASSY 
    1. Separate the torque sensor wire harness clamp from the power steering ECU.
      Fig 1: Removing Power Steering ECU Assy
      G00933908Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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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.