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.
2005 Toyota PriusFACTORY OEM SERVICE PROCEDURE
Transmission Control System (Parking Lock Control) - Diagnostics
- Shift Control System (Parking Lock Control)
- Precaution
- Location
- System Diagram
- System Description
- How To Proceed With Troubleshooting
- Customer Problem Analysis Check
- Problem Symptoms Table
- Terminals Of Ecu
- Diagnosis System
- Diagnostic Trouble Codes Check/Clear
- Freeze Frame Data
- Fail-Safe Chart
- Data List/Active Test
- Diagnostic Trouble Code Chart
- DTC C2300: Act System Malfunction
- DTC C2301: Shift Changing Time Malfunction
- DTC C2303: Relay Malfunction (+B Short)
- DTC C2304, C2305, C2306: Open Or Short Circuit In U Phase, V Phase & W Phase
- DTC C2307: Power Source Malfunction
- DTC C2310: Open Or Short Circuit In Batt
- DTC C2311: HV Communication Line Malfunction
- DTC C2312: Power Source Control Ecu Communication Line Malfunction
- DTC C2315: HV System Malfunction
- DTC C2318: Low Voltage Error (Power Supply Malfunction)
- P Position Switch Indicator Light Circuit
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.