Data Signal Circuit between Radio Receiver and Stereo Jack Adapter
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
CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - NO. 1 STEREO JACK ADAPTER ASSEMBLY)
(a) Disconnect the R28 radio and display receiver assembly connector.
(b) Disconnect the N3 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 |
|---|---|---|
N3-2 (UDO-) - R28-2 (UDO-) |
Always |
Below 1 Ω |
N3-3 (UDO+) - R28-3 (UDO+) |
Always |
Below 1 Ω |
N3-2 (UDO-) - Body ground |
Always |
10 kΩ or higher |
N3-3 (UDO+) - Body ground |
Always |
10 kΩ or higher |
| OK | ![]() |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
| NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Test yourself
A quick Toyota Tacoma quiz: every answer comes with an explanation and a link to the manual page.
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