Toyota Sienna Service Manual: Poor Sound Quality in All Modes (Low Volume)
INSPECTION PROCEDURE
1 CHECK AUDIO SETTINGS
- 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
- Compare with another vehicle of the same model.
- 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:
Diagnostic trouble code chart
If a DTC is displayed during the DTC check, check the parts
listed in the table below and proceed to the page given.
HINT:
*1: Comes on MIL (Malfunction Indicator Lamp) light up
*2: "DTC stored" mark means ECM memorizes the
malfunction code if the ECM detects the DTC detection
...
License plate light assembly
COMPONENTS
REMOVAL
1. REMOVE BACK DOOR GARNISH CENTER
2. REMOVE BACK DOOR SIDE GARNISH LH
3. REMOVE BACK DOOR SIDE GARNISH RH
4. REMOVE BACK DOOR STRAP COVER
5. REMOVE BACK DOOR PULL STRAP
6. REMOVE BACK DOOR TRIM BOARD ASSEMBLY
7. REMOVE BACK DOOR GARNISH SUB-ASSEMBLY OUTSIDE
8. RE ...
Installation
1. INSTALL SPIRAL CABLE
Check that the front wheels are facing straight
ahead.
Set the turn signal switch to the neutral position.
NOTICE:
If it is not in the neutral position, the pin of the
turn signal switch may snap.
Install the spiral cable.
NOTICE:
When ...
