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.
2021 Toyota C-HR LEFACTORY OEM SERVICE PROCEDURE
Pre-Collision - Diagnostics - Introduction
- Pre-Collision System
- Precaution [02/2017 - 08/2020]
- Precaution [08/2020 - ]
- Parts Location [02/2017 - 08/2020]
- Parts Location [08/2020 - ]
- System Diagram [02/2017 - 08/2020]
- System Diagram [08/2020 - ]
- System Description [02/2017 - 05/2018]
- System Description [05/2018 - 08/2020]
- How To Proceed With Troubleshooting [02/2017 - 09/2019]
- How To Proceed With Troubleshooting [09/2019 - 08/2020]
- How To Proceed With Troubleshooting [08/2020 - ]
- Operation Check [02/2017 - 08/2020]
- Customize Parameters [02/2017 - 08/2020]
- Customize Parameters [08/2020 - ]
- Initialization [02/2017 - 08/2020]
- Initialization [08/2020 - ]
- Utility [02/2017 - 08/2020]
- Utility [08/2020 - ]
- Problem Symptoms Table [02/2017 - 09/2019]
- Problem Symptoms Table [09/2019 - 08/2020]
- Problem Symptoms Table [08/2020 - ]
- Terminals Of Ecu [02/2017 - 08/2020]
- Terminals Of Ecu [08/2020 - ]
- Diagnosis System [02/2017 - 05/2018]
- Diagnosis System [05/2018 - 09/2019]
- Diagnosis System [09/2019 - 08/2020]
- Diagnosis System [08/2020 - ]
- DTC Check / Clear [02/2017 - 08/2020]
- DTC Check / Clear [08/2020 - ]
- Freeze Frame Data [02/2017 - 08/2020]
- Freeze Frame Data [08/2020 - ]
- Fail-Safe Chart [02/2017 - 09/2019]
- Fail-Safe Chart [09/2019 - 08/2020]
- Fail-Safe Chart [08/2020 - ]
- Data List / Active Test [02/2017 - 08/2020]
- Data List / Active Test [08/2020 - ]
- Diagnostic Trouble Code Chart [02/2017 - 09/2019]
- Diagnostic Trouble Code Chart [09/2019 - 08/2020]
- Diagnostic Trouble Code Chart [08/2020 - ]
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.