Jimny No Sound Woes

[spookyandroid]

I have tried 3 different double din head units, all suffering from the same issue, working, but no audio. The old Sony single din head unit works without issue.

After trying two chinese android head units, i decided they must just be garbage and bought a double din Sony XAV-AX3250, thinking atleast it will be compatible. Works normally, however, still no audio.

After much tinkering, if I connect the blue and white "ATT" wire to the red "ACC" wire, I can get audio, but only when I've put the key into ACC and then turn it back to "OFF". No audio when the car is on.

As stated, the previous Sony head unit works without any issue, and only works when the ignition is on. So I dont think its the ignition barrell.

Any insight into this mystery would be very much appreciated.

Danny

EDIT: To confirm the audio system is factory, no external amp or uprated anything.

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[hispls 5,000+ posts]

Is there some factory amp in your vehicle that's not getting powered up?