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 Audio and Visual System.
Click here
PROCEDURE
1. | START DIAGNOSTIC MODE |
(a) Enter 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) Activate 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 |
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Airbag System: System Diagram
SYSTEM DIAGRAM Communication Table Transmitting ECU (Transmitter) Receiving ECU Signal Communication Method Airbag Sensor Assembly Occupant Detection ECU
Crash detection signal
Acceleration signal
CAN Airbag Sensor Assembly ECM
Crash detection signal
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Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Airbag System: How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Use the following procedure to troubleshoot the airbag system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
NEXT 2. CUSTOMER PROBLEM ANALYSIS (a) Confirm problem symptoms. Click here
NEXT ...