Toyota RAV4 manuals

Toyota Sienna Service Manual: Sound Signal Circuit between Radio and Navigation Assembly and Television Display Assembly

Toyota Sienna Service Manual / Navigation / Navigation system / Diagnostic trouble code chart / 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 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, radio and navigation assembly or speakers.

WIRING DIAGRAM

WIRING DIAGRAM

INSPECTION PROCEDURE

1 CHECK HARNESS AND CONNECTOR (RADIO AND NAVIGATION ASSEMBLY - TELEVISION DISPLAY ASSEMBLY)

CHECK HARNESS AND CONNECTOR (RADIO AND NAVIGATION ASSEMBLY - TELEVISION DISPLAY ASSEMBLY)

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

Standard resistance

Standard resistance

2 INSPECT TELEVISION DISPLAY ASSEMBLY

INSPECT TELEVISION DISPLAY ASSEMBLY

  1. Reconnect the television display assembly connector and radio and navigation assembly connectors.
  2.  Check the waveform according to the conditions in the table below

Standard resistance

Standard resistance

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

Speaker Circuit
DESCRIPTION The sound signal that has been amplified by the stereo component amplifier is sent to the speakers from the stereo component amplifier through this circuit. If there is a short in t ...

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 compone ...

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