Toyota RAV4 manuals

Toyota Sienna Service Manual: Sound Signal Circuit between Radio and Navigation Assembly and Stereo Jack Adapter

Toyota Sienna Service Manual / Navigation / Navigation system / Diagnostic trouble code chart / 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 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 - STEREO JACK ADAPTER)

CHECK HARNESS AND CONNECTOR (RADIO AND NAVIGATION ASSEMBLY - STEREO JACK ADAPTER)

  1. Disconnect the connectors from the stereo jack adapter and radio and navigation assembly.
  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 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 ...

Mute Signal Circuit between Radio and Navigation Assembly and Television Display Assembly
DESCRIPTION The radio and navigation assembly controls the volume according to the MUTE signal from the television display assembly. The MUTE signal is sent to reduce noise and a popping sound ...

Other materials:

Removal
1. DISCHARGE REFRIGERANT FROM REFRIGERATION SYSTEM SST 07110-58060 (07117-58080, 07117-58090, 07117-78050, 07117-88060, 07117-88070, 07117-88080) HINT: See page AC-172. 2. REMOVE REAR DOOR SCUFF PLATE RH (See page IR-7) 3. REMOVE BACK DOOR SCUFF PLATE (See page IR- 8) 4. REMOVE QUARTER TR ...

How to proceed with troubleshooting
1 VEHICLE BROUGHT TO WORKSHOP 2 INSPECT BATTERY VOLTAGE Standard voltage: 11 to 14 V If the voltage is below 11 V, recharge or replace the battery before proceeding. 3 BASIC INSPECTION Turn the ignition switch ON.  Check whether or not the radio receiver turns on. Result 4 CHE ...

Only Back Door cannot be Opened
DESCRIPTION With power back door: The signal for manual locking/unlocking operation of the driver/passenger side door and the signal for locking/unlocking operation interlocked with the driver side door key cylinder are sent to the back door ECU from the body ECU using the MPX line. In respon ...

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