| Last Modified: 04-05-2023 | 6.11:8.1.0 | Doc ID: RM1000000018F87 |
| Model Year Start: 2018 | Model: Sienna | Prod Date Range: [11/2017 - ] |
| Title: AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM: Panel Switches do not Function; 2018 - 2020 MY Sienna [11/2017 - ] | ||
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Panel Switches do not Function |
CAUTION / NOTICE / HINT
NOTICE:
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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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![2018 - 2020 MY Sienna [11/2017 - ]; AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM: PRECAUTION](/t3Portal/stylegraphics/info.gif)
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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.
PROCEDURE
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1. |
CHECK PANEL SWITCH |
(a) Check for foreign matter around the switches that might prevent operation.
OK:
No foreign matter is found.
| NG |
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REMOVE ANY FOREIGN MATTER FOUND |
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2. |
CHECK PANEL SWITCH (OPERATION CHECK) |
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(a) Enter the "Panel & Steering Switch Check Mode" screen. [Refer to Check Panel & Steering Switch in Operation Check (See page
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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 |
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| NG |
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PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE (See page
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