"CHK" message(s) are displayed on the SIGNAL CHECK screen. [06/2018 - 08/2021]: Description
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.
On the SIGNAL CHECK screen, it is possible to check if the signals sent to the parking assist ECU are normal.
Refer to DTC CHECK / CLEAR [06/2018 - 09/2022]
HINT:
- On the SIGNAL CHECK screen, "OK" (blue) is displayed for items with a normal inspection result or input state.
- On the SIGNAL CHECK screen, "CHK" (red) is displayed for items with an abnormal inspection result or input state.
- Displayed items may differ depending on vehicle specifications.
| Item | Signal Input Method | Detail | DTC Output when Abnormal Result is Displayed | Signal Receiver |
|---|---|---|---|---|
| CAN | CAN communication | CAN communication signal | DTC is output | Related ECUs |
| SHIFT | Vehicle wire harness | Shift position switch signal | DTC is not output | BKUP LP relay |
| CAMERA SW | Vehicle wire harness | Panoramic view monitor switch signal input state | DTC is not output | Panoramic View Monitor Switch |