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.
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PROCEDURE
1. | START DIAGNOSTIC MODE |
(a) Enter diagnostic mode and check if the "Service Menu" screen can be displayed.
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OK:
Diagnostic mode can be activated.
NG | ![]() | GO TO STEP 3 |
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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 |
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(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. |
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(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 > Safety Connect System: Indicator (Red) Circuit Short to Ground (B157011,B157013)
DESCRIPTION This DTC is stored when the DCM (telematics transceiver) detects an open or short in the manual (SOS) switch red indicator circuit of the manual (SOS) switch. The manual (SOS) switch red indicator illuminates for 2 seconds and goes off when the engine switch is turned on (IG). If a malfu ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Audio And Visual System (for 8 Inch Display): Lost Communication with Haptic Device (B1323-B1326)
DESCRIPTION These DTCs are stored when communication between the radio receiver assembly and remote touch (remote operation controller assembly), combination meter assembly, headup display (meter mirror sub-assembly)* or clock assembly is not possible.
*: w/ Headup Display System
DTC No. ...