Toyota CH-R Service Manual: 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

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

(b) Disconnect the j1 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-) 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

*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

REPAIR OR REPLACE HARNESS OR CONNECTOR