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.
2012 Toyota Prius ThreeFACTORY OEM SERVICE PROCEDURE
Plug-In Charge Control Ecu: Removal: Removal
WARNING: This page is about a different variant/trim than selected.
- PRECAUTION
Refer to PRECAUTION
- REMOVE SERVICE PLUG GRIP
Refer to REMOVAL
- REMOVE INVERTER COVER See step 9
- CHECK TERMINAL VOLTAGE See step 10
- INSTALL INVERTER COVER See step 13
- REMOVE REAR NO. 2 FLOOR BOARD . Refer to REMOVAL - Step 1
- REMOVE REAR NO. 4 FLOOR BOARD SUB-ASSEMBLY . Refer to REMOVAL - Step 30
- REMOVE DECK FLOOR BOX LH
HINT:
Use the same procedure described for the RH side. Refer to REMOVAL - Step 3 .
- REMOVE DECK TRIM SERVICE HOLE COVER . Refer to REMOVAL - Step 35
- REMOVE REAR DECK TRIM COVER . Refer to REMOVAL - Step 36
- REMOVE BATTERY COOLING BLOWER ASSEMBLY (for RH Side) See step 8
- REMOVE BATTERY COOLING BLOWER ASSEMBLY (for LH Side) See step 9
- REMOVE HYBRID BATTERY HOSE ASSEMBLY See step 24
- REMOVE PLUGIN CHARGE CONTROL ECU ASSEMBLY WARNING:
Wear insulated gloves.
- Disconnect the 2 connectors.
- Remove the 2 nuts and plugin charge control ECU assembly.
Factory Service Tools
Use the Manual With the Right Hardware
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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.