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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:

Short in Front Passenger Side Squib 2nd Step Circuit
DTC B1185/57 Short in Front Passenger Side Squib 2nd Step Circuit DESCRIPTION The front passenger side squib 2nd step circuit consists of the center airbag sensor assembly and the front passenger airbag assembly. The circuit instructs the SRS to deploy when deployment conditions are met. ...

Installation
1. INSTALL REAR AXLE HUB & BEARING ASSEMBLY LH (a) Install the hub & Bearing assembly LH with the 4 bolts. Torque: 56 N*m (571 kgf*cm, 41 ft.*lbf) 2. INSPECT BEARING BACKLASH (See page AH-16) 3. INSPECT AXLE HUB DEVIATION (See page AH-16) 4. CONNECT SKID CONTROL SENSOR WIRE (a) Co ...

Handling of hose clamps
HANDLING OF HOSE CLAMPS (a) Before removing the hose, check the clamp position so that it can be reinstalled in the same position. (b) Replace any deformed or dented clamps with new ones. (c) When reusing a hose, attach the clamp on the clamp track portion of the hose. (d) For a s ...

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