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.
2006 Toyota PriusFACTORY OEM SERVICE PROCEDURE
Automatic Transmission
- Hybrid Transaxle System
- Electronic Shift Lever System
- Precaution
- Parts Location
- System Diagram
- System Description
- How To Proceed With Troubleshooting
- Problem Symptoms Table
- Terminals Of Ecu
- Diagnosis System
- DTC 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 Open or Short Circuit in "U" Phase; DTC C2305 Open or Short Circuit in "V" Phase; DTC C2306 Open or Short Circuit in "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
- Coolant
- Shift Control Actuator
- Hybrid Vehicle Transaxle Assembly
- Hybrid Vehicle Transaxle Unit
- Input Shaft
- Sprocket Driven Gear And Counter Drive Gear
- Differential Drive Pinion
- Transmission Drive Sprocket
- Differential Case
- Generator Cable
- Shift Lever
- Oil Pump Drive Shaft
- Hybrid Transaxle Oil Seal
- Input Shaft Oil Seal
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.