Toyota RAV4 manuals

Toyota Sienna Service Manual: 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

Radio Broadcast cannot be Received or Poor Reception
INSPECTION PROCEDURE 1 CHECK RADIO RECEIVER Check the radio's automatic station search function.  Check the radio's automatic station search function by activating it. OK: The ra ...

Vehicle Speed Signal Circuit between Radio Receiver and Combination Meter
DESCRIPTION This circuit is necessary for the ASL (Auto Sound Leveliser) built into the radio receiver. Speed signals are received from the combination meter and used for the ASL. The ASL fun ...

Other materials:

Cellular Phone cannot Send / Receive
INSPECTION PROCEDURE 1 CHECK BLUETOOTH SETTINGS Check if the Bluetooth settings are correct. OK: Bluetooth settings are correct. 2 CHECK CELLULAR PHONE Check if the cellular phone is Bluetooth compatible. HINT: Some versions of Bluetooth compatible cellular phones may not function ...

Rear Air Outlet Damper Control Servo Motor Circuit
DESCRIPTION This circuit turns the servo motor and changes each damper position by receiving the signals from the A/ C amplifier. The rear air outlet damper servo motor switches the air outlet mode by rotating (normal, reverse) with electrical power from the A/C amplifier. WIRING DIAGRAM ...

Customizable features
Settings that can be changed using the audio system screen Settings that can be changed using the multi-information display Settings that can be changed by your Toyota dealer Definition of symbols: O = Available, – = Not available Gauges, meters and multi-information display (, 93) ...

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