Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

2004 Toyota PriusFACTORY OEM SERVICE PROCEDURE

Shift Control Actuator ASSY: Replacement

REMOVE SHIFT CONTROL ACTUATOR ASSY
1. Disconnect the connector.
2. Remove the 3 bolts. Remove the transmission case cover from the hybrid vehicle transaxle.
  
  Fig 1: Removing Transmission Case Cover
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Remove the 3 bolts. Remove the shift control actuator assy from the hybrid vehicle transaxle.
Fig 2: Removing Shift Control Actuator Assy
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
INSTALL SHIFT CONTROL ACTUATOR ASSY
1. Apply a small amount of ATF WS to the O-ring.
  
  Fig 3: Applying Small Amount Of ATF WS To O-Ring
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Install the shift control actuator assy to the hybrid vehicle transaxle using the 3 bolts.
  1. Torque: 16 N.m (160 kgf.cm, 12 ft.lbf)
  Fig 4: Installing Shift Control Actuator
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Install the transmission case cover to the hybrid vehicle transaxle using the 3 bolts.
  1. Torque: 7.0 N.m (71 kgf.cm, 62 in.lbf)
4. Connect the connector.
Fig 5: Installing Transmission Case Cover
Courtesy 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.

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