2003 Toyota PriusFACTORY OEM SERVICE PROCEDURE

HV Battery Cooling: Removal

  1. REMOVE REAR SEAT (See  COMPONENTS  ) 
  2. REMOVE LUGGAGE TRIM (See  COMPONENTS  ) 
  3. REMOVE INNER VENTILATOR DUCT 

    Remove the 4 bolts and inner ventilator duct.

    Fig 1: Removing Inner Ventilator Duct
    G03430997Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. REMOVE LOWER QUARTER VENTILATOR DUCT 

    Remove the 2 bolts and lower quarter ventilator duct.

  5. REMOVE QUARTER VENTILATOR DUCT 
    1. Disconnect the connector for blower motor control.
    2. Remove the 6 screws and quarter ventilator duct.
      Fig 2: Removing Quarter Ventilator Duct
      G03430998Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  6. REMOVE QUARTER INNER NO. 2 DUCT 

    Remove the 2 screws and quarter inner No. 2 duct.

    Fig 3: Removing Quarter Inner No 2 Duct
    G03430999Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  7. REMOVE BLOWER ASSEMBLY 
    1. Remove the quarter ventilation inner duct.
    2. Disconnect the connector for blower motor.
    3. Remove the bolt, 2 nuts and blower assembly.
      Fig 4: Removing Blower Assembly
      G03431000Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Factory Service Tools

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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.