Installation [03/2023 - ]: Procedure

2025 Toyota Prius XLE AWDSECTION Procedure
  1. INSTALL SOLAR ENERGY CONTROL ECU ASSEMBLY 
    1. Fig 1: Solar Energy Control ECU Assembly Bolts Tightening Sequence
      GTY1148784Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Green-colored Lock - -
      Slide - -
      1. Install the solar energy control ECU assembly with the 3 bolts.

        Torque: 14 N.m (143 kgf/cm, 10 ft.lbf) 

        HINT: 

        Tighten the bolts in the order shown in the illustration.

      2. Connect the 2 connectors.
      3. Remove the insulating tape from the connector, and connect the connector and slide the green-colored lock as shown in the illustration to securely lock it.
        WARNING:

        Make sure to wear insulated gloves.

RENDER: 1.0x

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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.