Toyota Sienna Quiz
Audio / visual

Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter

In this manual: Audio / visual
Introduction — 55Service specifications — 7Maintenance — 7Engine — 264U151e automatic transaxle — 108Transfer — 19Propeller shaft — 8Drive shaft — 14Differential — 16Axle — 18Suspension — 37Tire and wheel — 54Brake control — 141Parking brake — 16Steering Column — 11Power steering — 18Air conditioning — 106Supplemental restraint system — 146Seat belt — 22Theft deterrent — 14Engine immobiliser — 17Cruise control — 65Lighting — 61Wiper and washer — 13Door lock — 42Meter — 28Audio / visual — 94Navigation — 108Park assist / monitoring — 33Horn — 5Garage door opener — 42GR-FE Engine control system — 126Supplemental restraint system — 147Other system — 14Windshield / windowglass — 43Mirror — 23Instrument panel — 6Seat belt — 22Seat — 92Engine hood / door — 104Exterior — 39Interior — 5Sliding roof — 9Multiplex communication — 18Can communication — 23
2steps
~12min
1/5difficulty
Done 0 of 2

DESCRIPTION

The stereo jack adapter sends an external device sound signal to the radio receiver through this circuit.

The sound signal that has been sent is amplified by the stereo component amplifier or radio receiver, 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 receiver, or speakers.

WIRING DIAGRAM

WIRING DIAGRAM

INSPECTION PROCEDURE

1 CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - STEREO JACK ADAPTER)

CHECK HARNESS AND CONNECTOR (RADIO RECEIVER - STEREO JACK ADAPTER)
  1. Disconnect the connectors from the stereo jack adapter and radio receiver.
  2. Measure the resistance according to the value(s) in the table below.

Standard resistance

Standard resistance

*1: 10 Speaker System
*2: 6 Speaker with Rear Entertainment System
*3: 6 Speaker without Rear Entertainment System

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

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