Lexus RX (RX 350L, RX450h) 2016-2022 Repair Manual: Pointer not Displayed on Screen or Pointer does not Move

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

(a) Check if there is water or foreign matter on the remote touch screen.

OK:

There is no water or foreign matter on the remote touch screen.

NG

GO TO STEP 4

OK

(a) Enter self-diagnostic mode.

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(b) Operate the remote touch screen diagonally from the upper left to the lower right and check that the brightness of the switch illumination changes. NOTICE: Since the remote touch screen may recognize a pinch in/out operation if operated with 2 fingers, always use 1 finger to operate the remote touch screen in self-diagnostic mode. OK: Brightness changes according to remote touch screen operation. Result Proceed to Brightness of the switch illumination changes according to remote touch screen operation. A Brightness of the switch illumination does not change according to remote touch screen operation. B Switch illumination continues to blink. HINT: When the switch illumination blinks, the remote touch (remote operation controller assembly) has stored a DTC.

*a Switch Illumination *b Remote Touch Screen

A

REPLACE RADIO RECEIVER ASSEMBLY

B

(a) Replace the remote touch (remote operation controller assembly) with a new or known good one.

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(b) Check that the pointer is displayed and moves normally.

OK:

The pointer is displayed and moves normally.

OK

END (REMOTE TOUCH (REMOTE OPERATION CONTROLLER ASSEMBLY) IS DEFECTIVE)

NG

REPLACE RADIO RECEIVER ASSEMBLY

(a) Remove any water and foreign matter, and then wait approximately 30 seconds.

(b) Check that the pointer is displayed and moves normally.

OK:

The pointer is displayed and moves normally.

OK

END

NG

GO TO STEP 2