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

Toyota CH-R Service Manual / Audio / Video / Audio And Visual System(for Radio And Display Type) / 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 - NO. 1 STEREO JACK ADAPTER ASSEMBLY)

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

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

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

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-) - Body ground

Always

10 kΩ or higher

j4-3 (US1+) - Body ground

Always

10 kΩ or higher

j4-5 (USG1) - Body ground

Always

10 kΩ or higher

*a

Front view of wire harness connector

(to Radio and Display Receiver Assembly)

*b

Front view of wire harness connector

(to No. 1 Stereo Jack Adapter Assembly)
OK

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

NG

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