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:

Inspect the fuses for circuits related to this system before performing the following procedure.

HINT:

Using the Techstream, the Data List item "Stop Light Switch" and "ST1" can be read.
Refer to DATA LIST / ACTIVE TEST [03/2019 - 04/2020] , or refer to DATA LIST / ACTIVE TEST [04/2020 - 11/2022]
Read Freeze Frame Data using the Techstream. The ECM records vehicle and driving condition information as Freeze Frame Data the moment a DTC is stored. When troubleshooting, Freeze Frame Data can help determine if the vehicle was moving or stationary, if the engine was warmed up or not, if the air fuel ratio was lean or rich, and other data from the time the malfunction occurred.