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No audio or volume control. What's the problem?
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<blockquote data-quote="29er" data-source="post: 8828149" data-attributes="member: 688031"><p>2015 Lexus GX460 owner here.</p><p></p><p>I installed the Beat-Sonic LGVIF-CB4W Carplay unit yesterday, and it worked for about a minute and then started cutting out. At first, I thought it was the wifi signal, but after connecting via USB, the problem continued. After another minute of wiggling wires trying to find the culprit, the audio cut out completely. <strong><u>I removed the Beat-Sonic device and reinstalled all the original wire harnesses to the stock configuration. After triple-checking everything, I still do not have audio.</u></strong></p><p></p><p>Here's the list of symptoms:</p><ul> <li data-xf-list-type="ul">No audio from any source (FM, AM, Bluetooth, CD, AUX, etc.), despite all of the sources displaying on the screen and functioning correctly.</li> <li data-xf-list-type="ul">No volume number is displayed on the screen when using the volume knob or the steering wheel.</li> <li data-xf-list-type="ul">No audio from cell phone calls.</li> <li data-xf-list-type="ul">No audio from the navigation.</li> <li data-xf-list-type="ul">No "beeps" when pressing system buttons.</li> <li data-xf-list-type="ul">No audio from the seat belt alarm.</li> </ul><p>Here's a list of things I've done to troubleshoot:</p><ul> <li data-xf-list-type="ul">Pulled and checked all the fuses, and they look fine.</li> <li data-xf-list-type="ul">Disconnected the battery for 10min, then an hour, then overnight.</li> <li data-xf-list-type="ul">Disconnected everything and inspected all the plugs and pins; everything looks good.</li> <li data-xf-list-type="ul">Entered the secret service/diagnostic menu and ran a system check, and everything returned OK.</li> <li data-xf-list-type="ul">Entered the secret service/diagnostic menu and <u>confirmed</u> that the radio unit <u>is receiving</u> signals from the steering wheel when buttons are pressed and from the volume control knob on the radio unit.</li> <li data-xf-list-type="ul">Called Beat-Sonic, and they were accommodating and pointed me in the direction of a cable or connector issue as they have seen similar in the past. No luck so far identifying the problem.</li> </ul><p>The closest thing I've found to the same issue is <a href="https://forum.ih8mud.com/threads/no-volume-controls-rear-dvd-solved.1225105/" target="_blank">this post on ih8mud</a> from a 200-series Land Cruiser owner. It seems the problem was a faulty cable connection.</p><p></p><p>Is anyone here an expert with Lexus audio systems? If the problem is most likely a cable, which one and which wire? </p><p></p><p>I found this <a href="https://pinoutguide.com/Car-Stereo-Toyota-Lexus/Lexus_GX400_GX460_2013_Navigation_pinout.shtml" target="_blank">pinout diagram link</a>, and it seems pretty accurate.</p><p>What steps should I take next, guys? I'm completely stumped and don't know what to try next.</p></blockquote><p></p>
[QUOTE="29er, post: 8828149, member: 688031"] 2015 Lexus GX460 owner here. I installed the Beat-Sonic LGVIF-CB4W Carplay unit yesterday, and it worked for about a minute and then started cutting out. At first, I thought it was the wifi signal, but after connecting via USB, the problem continued. After another minute of wiggling wires trying to find the culprit, the audio cut out completely. [B][U]I removed the Beat-Sonic device and reinstalled all the original wire harnesses to the stock configuration. After triple-checking everything, I still do not have audio.[/U][/B] Here's the list of symptoms: [LIST] [*]No audio from any source (FM, AM, Bluetooth, CD, AUX, etc.), despite all of the sources displaying on the screen and functioning correctly. [*]No volume number is displayed on the screen when using the volume knob or the steering wheel. [*]No audio from cell phone calls. [*]No audio from the navigation. [*]No "beeps" when pressing system buttons. [*]No audio from the seat belt alarm. [/LIST] Here's a list of things I've done to troubleshoot: [LIST] [*]Pulled and checked all the fuses, and they look fine. [*]Disconnected the battery for 10min, then an hour, then overnight. [*]Disconnected everything and inspected all the plugs and pins; everything looks good. [*]Entered the secret service/diagnostic menu and ran a system check, and everything returned OK. [*]Entered the secret service/diagnostic menu and [U]confirmed[/U] that the radio unit [U]is receiving[/U] signals from the steering wheel when buttons are pressed and from the volume control knob on the radio unit. [*]Called Beat-Sonic, and they were accommodating and pointed me in the direction of a cable or connector issue as they have seen similar in the past. No luck so far identifying the problem. [/LIST] The closest thing I've found to the same issue is [URL='https://forum.ih8mud.com/threads/no-volume-controls-rear-dvd-solved.1225105/']this post on ih8mud[/URL] from a 200-series Land Cruiser owner. It seems the problem was a faulty cable connection. Is anyone here an expert with Lexus audio systems? If the problem is most likely a cable, which one and which wire? I found this [URL='https://pinoutguide.com/Car-Stereo-Toyota-Lexus/Lexus_GX400_GX460_2013_Navigation_pinout.shtml']pinout diagram link[/URL], and it seems pretty accurate. What steps should I take next, guys? I'm completely stumped and don't know what to try next. [/QUOTE]
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No audio or volume control. What's the problem?
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