Utility [11/2021 - ]
WARNING: This page is about a different car, the 2024 Lexus LS 500h, 2023 Lexus LS 500h, and 2022 Lexus LS 500h. However, it is still accessible from the selected car via links, so may be relevant.
- ECU INSTALLATION ANGLE LEARNING
HINT:
This Utility is used to perform ECU installation angle learning for the spatial information service ECU assembly.
- ALL READINESS
HINT:
- It is possible to use the Techstream to check whether or not DTC judgment has been completed.
- This procedure may be used to confirm whether DTCs are output after simulating malfunction symptoms or after finishing repairs.
- Using the Techstream, clear the DTCs.
(Even if no DTC is output, perform the clear operation)
Body Electrical > Spatial Information Service > Trouble Codes
- Turn the power switch off and wait for at least 2 minutes.
- Perform a confirmation drive to check DTC judgment.
- Perform "All Readiness" according to the display on the Techstream.
Body Electrical > Spatial Information Service > Utility
Tester Display All Readiness - Input the DTCs to be confirmed on the next screen.
- Check the DTC judgment result.
HINT:
Display Item Description Normal - DTC judgment completed
- System normal
Malfunction - DTC judgment completed
- System malfunction
Incomplete - DTC judgment not completed
- Perform a driving test after checking detection conditions
N/A - Unable to perform DTC judgment
- Number of DTCs which do not fulfill DTC preconditions has reached the ECU memory limit
- Perform a driving test after checking detection conditions
If the judgment result shows Incomplete or N/A, perform another confirmation drive and check the judgment result.
- Turn the power switch off.
- VERSION ALIGNMENT INFORMATION UPDATE
HINT:
This Utility is used to version alignment information update.