| Last Modified: 04-05-2023 | 6.11:8.1.0 | Doc ID: RM100000000VJ6Q |
| Model Year Start: 2016 | Model: Sienna | Prod Date Range: [12/2015 - ] |
| Title: NAVIGATION / MULTI INFO DISPLAY: NAVIGATION SYSTEM: Poor Sound Quality in All Modes (Low Volume); 2016 - 2020 MY Sienna [12/2015 - ] | ||
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Poor Sound Quality in All Modes (Low Volume) |
PROCEDURE
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1. |
CHECK AUDIO SETTINGS |
(a) Set treble, middle and bass to the initial values and check that the sound is normal.
OK:
The sound returns to normal.
HINT:
Sound quality adjustment measures vary according to the type of amplifier.
| OK |
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END |
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2. |
COMPARE WITH ANOTHER VEHICLE OF SAME MODEL |
(a) Compare with another vehicle of the same model which is not malfunctioning to see if there is any difference in the sound quality.
OK:
No difference is found.
| OK |
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END |
| NG |
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PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE (See page
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![2016 MY Sienna [12/2015 - 08/2016]; INTRODUCTION: HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS: HOW TO PROCEED WITH TROUBLESHOOTING](/t3Portal/stylegraphics/info.gif)
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