cutting the wire solved the issue (also noticed a sticker attached to wire that said "cut me you idiot")
so far i'm really impressed with this head unit. for some history i started with the OEM HU, then replaced it with the cafi unit a few years back, then moved back to the OEM unit after installing the OEM Audio + system. only had one glitch so far with waze which was fixed by re-pluging in my iphone. spotify has been flawless. i haven't installed the mic yet, but when i get around to it i'll post my thoughts.
install details so far:
purchased unit from ebay for $569
purchased the following three items from autoharnesshouse
1)
Subau Aftermarket Headunit Installation Harness (For Vehicles with Nav)
Item# 7565 Does the Backup Camera Currently Display on the OEM Headunit?: No
Model: Scion FRS
Model Year: 2013
2)
Pioneer Direct Wire Harness for Subaru and Toyota
Item# AHH-70-1761
3) For a future backup camera
Socket pin jumper (28 inch) for 28-pin or 16-pin connector on Toyota/Subaru/Scion
Item# 7698 Pin type: Reverse Trigger (One A Type and one B type)
note: most will also need to purchase an antenna and USB adapter mentioned earlier in the thread as well
the install was as easy as pulling the two dash panels, unscrewing four 10mm bolts, pulling out the OEM unit, unscrewing the frame/rails and attaching to the new unit and re-attaching the connectors to the new unit. the GPS connector will go un-used, and make sure to cut the VSS-MUTE wire as explained above.
to the op who discovered this unit, thanks!
Quote:
Originally Posted by godzuki
emailed autoharnesshouse and this was their (very quick) response:
...you need to cut the pink wire that goes into the Pioneer on the direct wire connector. The Non-navi headunits use the VSS pin for "Mute" and this is why you're having this problem (because the VSS signal is going into the Mute signal)...
will try this out in the morning and post results. so far the sound quality is superior to the stock hu and im using the oem audio + dsp/amp still tuned for the old stock hu. eq set to flat and added a bit to mids and highs. disabled the crossovers.
played with waze for a couple 25+ mile drives and am very pleased with everything so far.
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