Caution / Notice / Hint
WARNING: This page is about a different car, the 2024 Lexus IS 500, 2023 Lexus IS 500, and 2022 Lexus IS 500. 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.
- Perform the universal trip to clear permanent DTCs.
Refer to DTC CHECK / CLEAR [11/2021 - ]
- Perform registration and/or initialization when parts related to the automatic transmission are replaced.
Refer to PRECAUTION [11/2021 - ]
HINT:
- If the CAN communication system malfunctions, the TCM cannot receive current data from the ECM. In this case, the freeze frame data output from the TCM is not updated, so the data will not be useful for the inspection. However, reading the Data List as the first step in troubleshooting is an effective way to find malfunctions.
- The malfunctioning area can be checked using the CAN Bus Check function on the Techstream.
- After the repair, clear the DTCs and perform the following procedure to check that DTCs are not output.
- Check the battery voltage is 10.5 V or more.
- Turn the engine switch on (IG).
- Check for DTCs again.
Refer to DTC CHECK / CLEAR [11/2021 - ]