Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: Switch Operation of Remote Touch not Accepted

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

OK

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.

*a

Switch Illumination

(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
    DESCRIPTION Power is supplied to the remote touch (remote operation controller assembly) illumination when the light control switch is in the tail or head position. WIRING DIAGRAM CAUTION / NOTICE / ...

    Pointer Displayed/not Displayed Repeatedly
    WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be need ...

    Other materials:

    Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Intelligent Clearance Sonar System: Stop Light Relay Circuit (C1A4B)
    DESCRIPTION When a stop light relay circuit malfunction signal sent from the vehicle stability control system is detected by the clearance warning ECU assembly, DTC C1A4B is stored. DTC No. Detection Item DTC Detection Condition Trouble Area C1A4B Stop Light Relay Circuit Stop light ...

    Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Steering Lock System: Power Source Control ECU Malfunction (B2782)
    DESCRIPTION The certification ECU (smart key ECU assembly) has a power source mode switching function. This DTC is stored when the IGE input (the steering lock motor activation permission signal) sent directly from the certification ECU (smart key ECU assembly) to the steering lock ECU (steering loc ...

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual

    Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual

    © 2026 Copyright www.lexusrx.net
    0.0119