hgill02

iTrader: (1)

Hey guys,

I bought my 09 ISF about 2 weeks ago and was quite upset when i realized it didnt have bluetooth music streaming as I listen to music all the time while driving. I know it quite easy to plug in the AUX, but I much rather not have to do that either and have a cleaner look inside the car.

I initially bought the BlackBerry ACC-41596-001 Music Gateway ( ) as well as the oem charger thinking i shouldn't have any issues using oem parts. WRONG

I had whining noise, which i didn't hear during music play as I listen to music quite loud, but definitely annoyed the crap out of me in between the songs or when paused with volume on stereo still up.

I had decided to return it but then did more research online and came across members using a ground Loop Noise Isolator ( ).

I figured i give it a shot for $12.00. So just installed it a little while ago and to my surprise, I had no engine whine at all. Even pushed the car towards redline, but i didn't experience any engine whine.

So finally had a solution to the one thing that annoyed me. Now the music gateway automatically turns out when I start up the car and automatically connects. No need to push any buttons every time you get in.

THE ONE DRAWBACK i have noticed - the noise isolator while removing the engine whine has caused a little drop in volume in bass. Now instead of listening to it at about 45-50 I am listening to it around 55-60, which is fine for me but figure i point it out for others. Also i typically had my bass in negative, but now pushed it up higher as well. By tweaking the audio settings a bit, I am back at where i was before.

I figured i'll put the info out there for anyone else that may want to try it. If this post makes no difference in your life, then just ignore. No need for unnecessary comments.

Disclaimer: while this worked for me, it may not work for you. Spend money at your own risk. lol

Alright, my essay is over. Peace out

kauaian

iTrader: (18)

Most cases of alternator noise is a result of a crappy ground connection.

dannyk8232

^^^^^ This....must be a weak ground causing a loop problem.

Also, 55-60? WOW! Radio in mine is pretty loud around 25, and mp3/cd around 256k is loud around 30. And this is the first car I haven't rigged amps/subs

RMA

When it comes to anything audio, Ipod adapters etc a lot of folk on here use these guys...

http://www.vaistech.com/site/home.php

I just ordered an ipod adapter for my 2009, still have to have it installed though.

hgill02

iTrader: (1)

Expensive but may be worth it. Going to read up on some reviews and then maybe just order it. Let me how your iPod adapter works once u get it installed.

lobuxracer

iTrader: (2)

No. This is a known issue with these cars and Lexus issued an LSB to address it.

ISFpat

iTrader: (10)

I would get mine fixed if it wasn't for it being out of warranty, such a shame that this flaw exists and can only be fixed under warranty when its not an issue in other cars.

Frank1298

I'm not sure if your '09 has a USB port that you could use and then add a 30 pin blue-tooth adapter to stream audio. I'm not sure if this will work but this is something like is worth trying. http://www.ebay.com/itm/Bluetooth-Music-Audio-Receiver-Adapter-For-iPod-iPhone-30-Pin-Dock-Speaker-BK-/390877641034?pt=US_USB_Bluetooth_Adapters_Dongles&hash=item5b021f794a On my wife's MB I ordered this for her and it works with no problem and gets power from the 30 pin connection. http://www.ebay.com/itm/ViseeO-Tune2air-WMA1000-Champagne-Color-for-Apple-Samsung-North-America-Warranty-/141285723905?pt=US_Mounts_Holders&hash=item20e5490f01

kauaian

iTrader: (18)

Yes It's a known issue which is caused by a faulty ground selection. I am sure the fix was a better ground source.

9aristo

iTrader: (10)

negative. the fix was installing a ferrite bead/transistor that is housed in a fancy box:

http://is.sewellparts.com/accessorie...2008/5403.html

dannyk8232

Interesting! Thx for the info, guys

lobuxracer

iTrader: (2)

No, the problem is there is minimal filtering on the alternator's output. It's a three phase device with a simple 6 diode bridge for rectification and nothing to remove high frequency noise - no passive or active devices to eliminate the issue. It is common in all automotive applications because the electrical systems are focused on low cost, not high quality.

The fix is a high pass capacitor in a fancy box. The may have an inductor in there too if bass level is impacted.

The real solution is to isolate audio ground from car ground. There are a lot of ways you can do this, even with the Gen5 nav/audio.

kauaian

iTrader: (18)

Well you said it yourself, lol! Lexus just went another route for the fix.

jleonard71

That's weird, I bought that same unit about 2 weeks ago and I noticed that bass output went WAY up! The sub now rattles my mirror even with the bass in the EQ set to +0. It's strange that you have the exact opposite result as me. I am using a different bluetooth receiver though, I am using this one: http://www.amazon.com/gp/product/B00GJFGE3W. I like that one because it's very compact, and it has pause, forward & back buttons so you can control the tracks without handling your phone. And it comes with a magnetic baking plate which allows you to mount it wherever you want and it can be easily taken off the plate and put into the center console when you want it out of sight. It is also blue so it matches the F color scheme nicely.

Golfer2000

Can you please explain how to properly fix this? Also any idea if the TSB fix is better in terms of audio quality than the pac one?