Lexus NX: 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 receiver assembly via this circuit.
WIRING DIAGRAM
.png)
PROCEDURE
| 1. | CHECK HARNESS AND CONNECTOR (RADIO RECEIVER ASSEMBLY - NO. 1 STEREO JACK ADAPTER ASSEMBLY) |
| (a) Disconnect the I179 radio receiver assembly connector. |
|
.png)
(b) Disconnect the I166 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 |
|---|---|---|
| I179-2 (US1-) - I166-2 (UDO-) | Always | Below 1 Ω |
| I179-3 (US1+) - I166-3 (UDO+) | Always | Below 1 Ω |
| I179-5 (USG1) - I166-5 (UJSS) | Always | Below 1 Ω |
| I179-2 (US1-) or I166-2 (UDO-) - Body ground | Always | 10 kΩ or higher |
| I179-3 (US1+) or I166-3 (UDO+) - Body ground | Always | 10 kΩ or higher |
| I179-5 (USG1) or I166-5 (UJSS) - Body ground | Always | 10 kΩ or higher |
| OK | .gif) | PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
.gif)
| NG | | REPAIR OR REPLACE HARNESS OR CONNECTOR |
READ NEXT:
Mute Signal Circuit between Stereo Component Amplifier and Telematics Transceiver
DESCRIPTION This DCM (telematics transceiver) sends a mute signal to the stereo component amplifier assembly. The stereo component amplifier assembly controls the volume according to the mute signal f
AVC-LAN Circuit
DESCRIPTION Each audio system component connected to the AVC-LAN (communication bus) transfers switch signals using the audio visual communication local area network. If a short to +B or short to grou
Vehicle Speed Signal Circuit between Navigation ECU and Combination Meter
DESCRIPTION The navigation ECU receives a vehicle speed signal from the combination meter assembly. HINT:
A voltage of 12 V or 5 V is output from each ECU and then input to the combination meter as
SEE MORE:
Power Back Door cannot be Opened Using the Back Door Opener Switch
DESCRIPTION The multiplex network door ECU receives an open signal from the back door opener switch assembly via the certification ECU (smart key ECU assembly). WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE:
First perform the communication function inspections in How to Proceed with Troubleshoot
Rear Door LH Entry Lock and Unlock Functions do not Operate
DESCRIPTION If the entry lock and unlock functions do not operate for the rear door LH only, the request code may not be being transmitted from the rear door LH or the rear door outside handle assembly LH (touch sensor) may be malfunctioning. If the entry functions for other doors operate properly,
