CAUTION / NOTICE / HINT
NOTICE:
Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Navigation System.
Click here
PROCEDURE
| 1. | START DIAGNOSTIC MODE |
(a) Activate diagnostic mode and check if the "Service Menu" screen can be displayed.
Click here
OK:
Diagnostic mode can be activated.
| NG | | GO TO STEP 3 |
|
| 2. | CHECK PANEL SWITCH (OPERATION CHECK) |
| (a) Enter the "Panel&Steering Switch Check Mode" screen. Refer to Check Panel & Steering Switch in Operation Check. Click here |
|
(b) Operate the abnormal switch and check if the switch status is correctly displayed.
OK:
The switch status is correctly displayed as operated.
| OK | | REPLACE RADIO RECEIVER ASSEMBLY |
| NG | | GO TO STEP 3 |
| 3. | REMOTE TOUCH (REMOTE OPERATION CONTROLLER ASSEMBLY) SELF CHECK (SWITCH OPERATION CHECK) |
(a) Enter self-diagnostic mode.
Click here
| (b) Operate the remote touch screen in the upper left to turn the switch illumination off. NOTICE: Since the remote touch screen may recognize a pinch in/out or flick operation if operated with 2 fingers, always use 1 finger to operate the remote touch screen in self-diagnostic mode. |
|
(c) With the switch illumination turned off, press each switch of the remote touch (remote operation controller assembly) and check that the switch illumination turns on.
| Result | Proceed to |
|---|---|
| Self check mode cannot be activated. | A |
| Some switches do not turn on the switch illumination when they are pressed. | |
| All switches turn on the switch illumination when they are pressed. | B |
| A | | REPLACE REMOTE TOUCH (REMOTE OPERATION CONTROLLER ASSEMBLY) |
| B | | REPLACE RADIO RECEIVER ASSEMBLY |
Switch Lights of Remote Touch do not Illuminate
Pointer Displayed/not Displayed RepeatedlyLexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Wiper And Washer System: Washer Motor Circuit
DESCRIPTION When the washer motor and pump assembly receives signals from the windshield wiper switch assembly it operates to spray washer fluid from the washer nozzle sub-assemblies. WIRING DIAGRAM PROCEDURE 1. READ VALUE USING TECHSTREAM (a) Connect the Techstream to the DLC3. (b) Turn t ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Audio And Visual System (for 12.3 Inch Display): AVC-LAN Circuit
DESCRIPTION Each unit of the audio and visual system connected to the AVC-LAN (communication bus) transmits switch signals via AVC-LAN communication. If a short to +B or short to ground occurs in the AVC-LAN, the audio and visual system will not function normally because communication is not possibl ...