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.
Caution / Notice / Hint
The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during automatic light control sensor removal/installation are shown below.
| Replaced Part or Performed Procedure | Necessary Procedure | Effect/Inoperative Function when Necessary Procedure not Performed | Link |
|---|---|---|---|
| Disconnect cable from negative (-) auxiliary battery terminal | Drive the vehicle until stop and start control is permitted (approximately 5 to 60 minutes) | Stop and start system | Refer to PRECAUTION [11/2018 - 12/2021] |
| Perform steering sensor zero point calibration | Lane control system | Refer to INITIALIZATION [11/2018 - 12/2021] | |
| Parking support brake system (for Gasoline model)* | |||
| Pre-collision system | |||
| Memorize steering angle neutral point | Parking assist monitor system | Refer to INITIALIZATION [11/2018 - 10/2022] | |
| Panoramic view monitor system (for Gasoline model) | Refer to INITIALIZATION [11/2018 - 10/2022] | ||
| Reset back door close position | Power back door system (for Gasoline model) | Refer to INITIALIZATION [11/2018 - 10/2023] | |
| Back door lock initialization | Power door lock control system | Refer to INITIALIZATION [11/2018 - ] |
*: When performing learning using the Techstream.
After the ignition switch is turned off, the radio and display receiver assembly records various types of memory and settings. As a result, after turning the ignition switch off, be sure to wait for the time specified in the following table before disconnecting the cable from the negative (-) auxiliary battery terminal.
| System Name | See Procedure |
|---|---|
| Vehicle enrolled in Toyota Entune system or safety connect system | 6 minutes |
| Vehicle not enrolled in Toyota Entune system and safety connect system | 1 minute |
| Replaced Part or Performed Procedure | Necessary Procedure | Effect/Inoperative Function when Necessary Procedure not Performed | Link |
|---|---|---|---|
| Disconnect cable from negative (-) auxiliary battery terminal | Perform steering sensor zero point calibration | Lane control system | Refer to INITIALIZATION [11/2018 - 12/2021] |
| Pre-collision system | |||
| Memorize steering angle neutral point | Parking assist monitor system | Refer to INITIALIZATION [11/2018 - 10/2022] | |
| Panoramic view monitor system (for HV model) | Refer to INITIALIZATION [11/2018 - 10/2022] | ||
| Reset back door close position | Power back door system (for HV model) | Refer to INITIALIZATION [11/2018 - 10/2023] | |
| Back door lock initialization | Power door lock control system | Refer to INITIALIZATION [11/2018 - ] |
After the ignition switch is turned off, the radio and display receiver assembly records various types of memory and settings. As a result, after turning the ignition switch off, be sure to wait for the time specified in the following table before disconnecting the cable from the negative (-) auxiliary battery terminal.
| System Name | See Procedure |
|---|---|
| Vehicle enrolled in Toyota Entune system or safety connect system | 6 minutes |
| Vehicle not enrolled in Toyota Entune system and safety connect system | 1 minute |
NO RELATED
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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.