AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM: Touch Panel Switch does not Function; 2018 - 2020 MY Sienna [11/2017

Last Modified: 04-05-2023	6.11:8.1.0	Doc ID: RM1000000018F88
Model Year Start: 2018	Model: Sienna	Prod Date Range: [11/2017 - ]
Title: AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM: Touch Panel Switch does not Function; 2018 - 2020 MY Sienna [11/2017 - ]

Touch Panel Switch does not Function

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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When replacing the radio and display receiver assembly, always replace it with a new one. If a radio and display receiver assembly which was installed to another vehicle is used, the following may occurs:
- A communication malfunction DTC may be stored.
- The radio and display receiver assembly may not operate normally.

1.	CHECK MULTI-DISPLAY

(a) Check if there is any foreign matter caught between the display and exterior frame of the multi-display.

OK:

No foreign matter is caught between the display and exterior frame of the multi-display.

HINT:

If there is foreign matter between the display and exterior frame of the multi-display, the touch panel will remain pressed, preventing touch switch operation.
Turn the ignition switch to ACC or ON with your hand touching the operating section, non-response may occur.

REMOVE FOREIGN MATTER

2.	CHECK TOUCH PANEL

(a) Check for foreign matter on the display.

OK:

The display is clean.

CLEAN DISPLAY AND RECHECK TOUCH PANEL

3.	CHECK TOUCH SWITCH (OPERATION CHECK)

(a) Enter the "Touch Switch Check" screen. [Refer to Check Touch Switch in Operation Check (See page )]

(b) Touch the display in the area where the switch malfunction occurs.

OK:

A "+" mark appears at the touched position.

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

(See page )