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.
2017 Toyota Prius Prime AdvancedFACTORY OEM SERVICE PROCEDURE
Plug-In Charge Control System - Circuit & System Tests
- Plug-In Charge Control System
- Symptom Tests
- Hybrid Battery SOC Indicator does not Come ON [09/2016 - ]
- Hybrid Battery SOC Indicator Remains ON [09/2016 - ]
- Plug-in Charging Does not Start [09/2016 - ]
- Charging Stops during Plug-in Charging [09/2016 - ]
- Plug-in Charging Time is Too Long [09/2016 - ]
- Open in AC Line [09/2016 - ]
- AC Line Insulation Malfunction [09/2016 - ]
- Cannot Set or Change Charge Schedule Setting [09/2016 - ]
- Charging Starts Immediately Despite Charge Schedule Setting [09/2016 - ]
- Cannot Complete Charging by Scheduled Departure Time [09/2016 - ]
- Cannot Start Charging at Scheduled Charging Time [09/2016 - ]
- Cannot Lock Charging Connector [09/2016 - 05/2019]
- Cannot Lock Charging Connector [05/2019 - ]
- Cannot Unlock Charging Connector [09/2016 - 05/2019]
- Cannot Unlock Charging Connector [05/2019 - ]
- Circuit Tests
- Symptom Tests
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.
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