Toyota RAV4 manuals

Toyota Sienna Service Manual: Sound Signal Circuit between Radio Receiver and Stereo Component Amplifier

Toyota Sienna Service Manual / Audio / visual / Audio and visual system / Diagnostic trouble code chart / Sound Signal Circuit between Radio Receiver and Stereo Component Amplifier

DESCRIPTION

The radio receiver sends a sound signal to the stereo component amplifier through this circuit.

The sound signal that has been sent is amplified by the stereo component amplifier, and then is sent to the speakers.

If there is an open or short in the circuit, sound cannot be heard from the speakers even if there is no malfunction in the stereo component amplifier or speakers.

WIRING DIAGRAM

WIRING DIAGRAM

INSPECTION PROCEDURE

1 CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - STEREO COMPONENT AMPLIFIER)

CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - STEREO COMPONENT AMPLIFIER)

  1. Disconnect the connectors from the radio receiver and stereo component amplifier.
  2. Measure the resistance according to the value(s) in the table below.

Standard resistance

Standard resistance

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