Toyota CH-R Service Manual: Data Signal Circuit between Radio Receiver and Stereo Jack Adapter

Toyota CH-R Service Manual / Navigation / Multi Info Display / Navigation System / Data Signal Circuit between Radio Receiver and Stereo Jack Adapter

DESCRIPTION

The No. 1 stereo jack adapter assembly sends the sound data signal or image data signal from a USB device to the radio and display receiver assembly via this circuit.

WIRING DIAGRAM

PROCEDURE

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

(a) Disconnect the j4 radio and display receiver assembly connector.

(b) Disconnect the j1 No. 1 stereo jack adapter assembly connector.

Standard Resistance:

Tester Connection	Condition	Specified Condition
j4-2 (US1-) - j1-2 (UDO-)	Always	Below 1 Ω
j4-3 (US1+) - j1-3 (UDO+)	Always	Below 1 Ω
j4-5 (USG1) - j1-5 (UJSS)	Always	Below 1 Ω
j4-2 (US1-) or j1-2 (UDO-) - Body ground	Always	10 kΩ or higher
j4-3 (US1+) or j1-3 (UDO+) - Body ground	Always	10 kΩ or higher
j4-5 (USG1) or j1-5 (UJSS) - Body ground	Always	10 kΩ or higher

Front view of wire harness connector

(to Radio and Display Receiver Assembly)

Front view of wire harness connector

(to No. 1 Stereo Jack Adapter Assembly)

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

REPAIR OR REPLACE HARNESS OR CONNECTOR

Sound Signal Circuit between Radio Receiver and Stereo Jack Adapter

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Mute Signal Circuit between Radio Receiver and Telematics Transceiver

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