Caution / Notice / Hint

WARNING: This page is about a different car, the 2022 Toyota Corolla, 2021 Toyota Corolla, 2020 Toyota Corolla, and 2019 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

The lighting system (w/ AFS) uses the CAN communication system. Inspect the communication functions by following How to Proceed with Troubleshooting. Troubleshoot the automatic high beam system after confirming that the communication systems are functioning properly.
Refer to HOW TO PROCEED WITH TROUBLESHOOTING [06/2018 - 09/2022]
Before replacing the main body ECU (multiplex network body ECU), refer to Registration.
Refer to REGISTRATION [06/2018 - 01/2019] , or refer to REGISTRATION [01/2019 - 09/2019] , or refer to REGISTRATION [09/2019 - 04/2020] , or refer to REGISTRATION [04/2020 - 09/2022]

HINT:

If the forward recognition camera stores a DTC for a malfunction of any of the following, this DTC will be stored simultaneously.

Speed sensor
Yaw rate sensor
Millimeter wave radar sensor
CAN communication system