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.

2013 Toyota Prius Plug-inFACTORY OEM SERVICE PROCEDURE

System Diagram

Remote Control Mirror

Fig 1: Identifying Remote Control Mirror System Circuit Diagram
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Mirror Heater

Fig 2: Identifying Mirror Heater System Circuit Diagram

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

COMMUNICATION TABLE

Transmitting ECU	Receiving ECU	Signal	Communication Method
Air Conditioning Control Panel Assembly	Air Conditioning Amplifier Assembly	Outer Mirror Heater Switch Signal	LIN

Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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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.