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Toyota Sienna Service Manual: Poor Sound Quality in All Modes (Low Volume)

Toyota Sienna Service Manual / Navigation / Navigation system / Diagnostic trouble code chart / Poor Sound Quality in All Modes (Low Volume)

INSPECTION PROCEDURE

1 CHECK AUDIO SETTINGS

  1. Set "BASS", "MID" and "TREB" to the initial values and check that sound is normal.

OK: Malfunction disappears.

2 COMPARE WITH ANOTHER VEHICLE OF SAME MODEL

  1. Compare with another vehicle of the same model.
  1. Compare with another vehicle of the same model which does not have trouble to see if there is any difference in the sound quality.

OK: No difference is found

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

Screen Flicker or Color Distortion
INSPECTION PROCEDURE 1 CHECK DISPLAY SETTING Enter the display adjustment screen by pressing the "DISPLAY" switch.  Reset display settings (contrast, brightness) and check ...

Map Disc cannot be Inserted
INSPECTION PROCEDURE 1 CHECK RADIO AND NAVIGATION ASSEMBLY Check if a disc is inserted into the MAP disc slot.  Check if "DISC IN" is displayed. OK: "DISC IN&quo ...

Other materials:

Installation
1. INSTALL BACK DOOR OUTSIDE GARNISH Install the back door outside opener switch with the 2 screws. Install the back door outside garnish with the 5 nuts and a clip. Connect the licence light connector. 2. INSTALL LH BACK-UP LIGHT ASSEMBLY (See page LI-90) 3. INSTALL RH ...

Transmitter ID1 Error
DESCRIPTION The tire pressure warning valve and transmitters that are installed in the tire and wheel assemblies measure the air pressure of the tires. The measured values are transmitted to the tire pressure warning antenna and receiver on the body as radio waves and then sent to the tir ...

DSP Error/ DSP Error
DTC 62-78 DSP Error DTC 63-78 DSP Error DESCRIPTION INSPECTION PROCEDURE HINT: After the inspection is completed, clear the DTCs. NOTICE:  These codes may be output even if there is no malfunction.  If these codes are output frequently, replace the radio receiver. 1 CLEA ...

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