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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 AMPLIFIER ANTENNA ASSEMBLY  Engage the 16 clamps to install the amplifier antenna assembly.  Install the 3 bolts. Connect the connectors. 2. INSTALL ROOF HEADLINING ASSEMBLY 3. INSTALL ANTENNA ASSEMBLY WITH HOLDER  Install the antenna assembly ...

Driving position memory
Your preferred driving position (the position of the driver’s seat and outside rear view mirrors) can be recalled by pressing a button. Two different driving positions can be recorded into memory. Recording procedure Check that the shift lever is in P. Turn the engine switch to IGNI ...

Disassembly
1. REMOVE FRONT DIFFERENTIAL RING GEAR (a) Place matchmarks on the front differential ring gear and differential case. (b) Remove the 14 bolts. (c) Using a plastic hammer, tap on the front differential ring gear to remove it from the case. 2. REMOVE FRONT DIFFERENTIAL CASE FRONT TA ...

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