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

Toyota Sienna Service Manual / Navigation / Navigation system / Diagnostic trouble code chart / Sound Signal Circuit between Radio and Navigation Assembly and Stereo Component Amplifier

DESCRIPTION

The radio and navigation assembly 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 AND NAVIGATION ASSEMBLY - STEREO COMPONENT AMPLIFIER)

CHECK HARNESS AND CONNECTOR (RADIO AND NAVIGATION ASSEMBLY - STEREO

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

Standard resistance

Standard resistance

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

Sound Signal Circuit between Radio and Navigation Assembly and Television Display Assembly
DESCRIPTION The television display assembly sends an RSE sound signal to the radio and navigation assembly through this circuit. The sound signal that has been sent is amplified by the stereo co ...

Sound Signal Circuit between Radio and Navigation Assembly and Stereo Jack Adapter
DESCRIPTION The stereo jack adapter sends an external device sound signal to the radio and navigation assembly through this circuit. The sound signal that has been sent is amplified by the ster ...

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