Sound Signal Circuit Between Radio Receiver and Stereo Jack Adapter

AUDIO / VIDEO: AUDIO AND VISUAL SYSTEM (w/ Multi-display without DVD Player): Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter; 2013 MY Corolla [07/2012 -]
- Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter

DESCRIPTION

* The No. 1 stereo jack adapter assembly sends the sound signal from an external device to the radio and display receiver assembly via this circuit.

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 radio and display receiver assembly or speakers.

WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - NO. 1 STEREO JACK ADAPTER ASSEMBLY)

(a) Disconnect the E129 radio and display receiver assembly connector.

(b) Disconnect the E120 No. 1 stereo jack adapter assembly connector.

(c) Measure the resistance according to the value(s) in the table below.





Standard Resistance:





Text in Illustration





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR

OK -- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Problem Symptoms Table