Touch Panel Switch does not Function [08/2021 - 09/2022]: Procedure
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2022 Lexus ES 350, 2022 Lexus ES 250, 2021 Lexus ES 350, 2021 Lexus ES 250, and 2020 Lexus ES 350. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK MULTI-DISPLAY
- Check if there is any foreign matter caught between the display and exterior frame of the multi-display.
OK
No foreign matter is caught between the display and exterior frame of the multi-display.
HINT:
- If there is foreign matter between the display and exterior frame of the multi-display, the touch panel will remain pressed, preventing touch switch operation.
- If the engine switch is turned on (ACC) or on (IG) with part of your hand touching the multi-display, the display may stop responding correctly.
Result
Proceed to OK NG
Result:
NG
REMOVE FOREIGN MATTER
Result:
OK
See step 2
- Check if there is any foreign matter caught between the display and exterior frame of the multi-display.
- CHECK TOUCH PANEL
Result:
NG
CLEAN DISPLAY AND RECHECK TOUCH PANEL
Result:
OK
See step 3
- CHECK TOUCH SWITCH (OPERATION CHECK)
- Enter the "Touch Switch Check" screen. Refer to Check Touch Switch in Operation Check.
Refer to OPERATION CHECK [08/2021 - 09/2022]
- Touch the display in the area where the switch malfunction occurs.
OK
A "+" mark appears at the touched position.
Result
Proceed to OK NG
Result:
OK
REPLACE MULTI-DISPLAY ASSEMBLY. Refer to REMOVAL [08/2021 - ]
Result:
NG
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to PROBLEM SYMPTOMS TABLE [08/2021 - 09/2022]
- Enter the "Touch Switch Check" screen. Refer to Check Touch Switch in Operation Check.