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Old 12-15-2008, 08:01 PM   #1
IsLNdbOi
 
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'09 5-Door LB - Aux Jack Harness is different.

I was about to do this w/ my aux jack today:

http://www.yarisworld.com/forums/sho...newpost&t=9852


BUT the harness end that connects to the back of the aux jack is different than the one on the '07 / '08 LBs. This different / new one in my '09 5-door LB has a square shaped connector instead of a rectangle one AND it has 5 wires instead of 4 in the '07 / '08 LBs. It has these wires:

2x red
green
white
gray


In my '07 LB there were only 4 wires:

2x red
green
gray



Not sure how to do this modification now. Anyone have the service manual for the '09 5-door LBs or know which wire does what?
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Old 12-15-2008, 10:10 PM   #2
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Quote:
Originally Posted by IsLNdbOi View Post
I was about to do this w/ my aux jack today:

http://www.yarisworld.com/forums/sho...newpost&t=9852


BUT the harness end that connects to the back of the aux jack is different than the one on the '07 / '08 LBs. This different / new one in my '09 5-door LB has a square shaped connector instead of a rectangle one AND it has 5 wires instead of 4 in the '07 / '08 LBs. It has these wires:

2x red
green
white
gray


In my '07 LB there were only 4 wires:

2x red
green
gray



Not sure how to do this modification now. Anyone have the service manual for the '09 5-door LBs or know which wire does what?
Here's the 09 connector pinout:

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Old 12-15-2008, 10:10 PM   #3
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Thanks! Where did you find this?
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Old 12-15-2008, 10:14 PM   #4
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Quote:
Originally Posted by IsLNdbOi View Post
Thanks! Where did you find this?
09 Service Manual
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Old 12-15-2008, 10:24 PM   #5
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Where did you get the service manual? I asked above in the first post.

Also, does anyone know what the code stands for?

ALO:
ARO:
AGND:
ASGN:
AUXO:

I'm guessing "ALO" is for the left channel and "ARO" is for the right channel.

In the '07 / '08 LBs, ASGN was for ground so it's probably the same for the '09. I think "AUXO" is for the HU to sense when something is connected to the aux jack. Now what's "AGND" for?
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Old 12-15-2008, 10:30 PM   #6
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all i know is i was going to do this too but im glad you found this out before i did. i hope you figure it out
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Old 12-15-2008, 10:38 PM   #7
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Quote:
Originally Posted by IsLNdbOi View Post
Where did you get the service manual? I asked above in the first post.

Also, does anyone know what the code stands for?

ALO:
ARO:
AGND:
ASGN:
AUXO:

I'm guessing "ALO" is for the left channel and "ARO" is for the right channel.

In the '07 / '08 LBs, ASGN was for ground so it's probably the same for the '09. I think "AUXO" is for the HU to sense when something is connected to the aux jack. Now what's "AGND" for?

I subscribed to TIS to have access to the service manual.

ALO: Aux Left Output
ARO: Aux Right Output
AGND: Aux Ground
ASGN: Aux Signal Ground
AUXO: Aux Output (switched input to HU to indicate that cable is plugged into Aux jack)

AGND is the shield, where as ASGND is the audio signal ground. I think they added the shield to the 09's to fix the noise issue that some people complained of in prior years.
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Old 12-15-2008, 10:49 PM   #8
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Thanks again CTScott. The audio cable I bought has only the left, right and ground. Can't seem to find the shield on this cable. Didn't have any issues though with my '07's aux jack so I guess I won't bother with the shield this time.
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Old 12-15-2008, 10:59 PM   #9
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Quote:
Originally Posted by IsLNdbOi View Post
Thanks again CTScott. The audio cable I bought has only the left, right and ground. Can't seem to find the shield on this cable. Didn't have any issues though with my '07's aux jack so I guess I won't bother with the shield this time.
Are you connecting the Aux jack to a different HU? If you are, instead of cutting in at the aux jack, you can connect to the radio's harness and leave the Aux cable and its shield intact. The connector diagram I posted has the radio side pinout for the Aux input.
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Old 12-15-2008, 11:33 PM   #10
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Great idea! Yes, my goal is to use the stock aux jack with a new Pioneer HU. The Pioneer HU has a 3.5mm auxiliary input on its back. The individual wires on this RCA to 3.5mm cable I have though are tiny (I've already cut the RCA plugs off to expose the wires). How should I connect them to the bare pins of the connector that goes into the back of the stock HU?
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Old 12-15-2008, 11:40 PM   #11
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Quote:
Originally Posted by IsLNdbOi View Post
Great idea! Yes, my goal is to use the stock aux jack with a new Pioneer HU. The Pioneer HU has a 3.5mm auxiliary input on its back. The individual wires on this RCA to 3.5mm cable I have though are tiny (I've already cut the RCA plugs off to expose the wires). How should I connect them to the bare pins of the connector that goes into the back of the stock HU?
I would still splice wire to wire (rather than trying to connect to the pins).
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Old 12-16-2008, 12:16 AM   #12
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I think I may have some of these:




that are small enough to work with the pins in the connector.
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Old 12-16-2008, 07:51 AM   #13
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Quote:
Originally Posted by IsLNdbOi View Post
I think I may have some of these:




that are small enough to work with the pins in the connector.
If you use an adapter cable to connect the OEM harness to the new HU you won't have space to use anything other than the correct pin for the OEM connector. Although, it would be great if the adapter cable included the AUX wires.
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Old 12-17-2008, 08:23 AM   #14
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Quote:
Originally Posted by CTScott View Post
I subscribed to TIS to have access to the service manual.

ALO: Aux Left Output
ARO: Aux Right Output
AGND: Aux Ground
ASGN: Aux Signal Ground
AUXO: Aux Output (switched input to HU to indicate that cable is plugged into Aux jack)

AGND is the shield, where as ASGND is the audio signal ground. I think they added the shield to the 09's to fix the noise issue that some people complained of in prior years.
Mind uploading the '09 5-door LB's service manual here?

I looked at the connector on the back of the stock HU that the stock aux jack's harness connects to and the pins on the connector on the back of the stock HU look like needles. I thought that they were flat metal pins. If I solder each wire from my 3.5mm cable to a needle and insert the needle into the corresponding slot in the aux jack's harness connector, do you think that would work?
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Old 12-17-2008, 08:32 AM   #15
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Quote:
Originally Posted by IsLNdbOi View Post
Mind uploading the '09 5-door LB's service manual here?

I looked at the connector on the back of the stock HU that the stock aux jack's harness connects to and the pins on the connector on the back of the stock HU look like needles. I thought that they were flat metal pins. If I solder each wire from my 3.5mm cable to a needle and insert the needle into the corresponding slot in the aux jack's harness connector, do you think that would work?
With audio you really want solid connections. I would just strip a small section off of the wire going to the oem connector, wrap the 3.5mm cable's wire around it, solder and tape.

I am going to do this myself to add an Aux-Aux jack inside the driver's glove box. I might build an audio mixer to let me feed my GPS and iPhone simultaneously.
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Old 12-17-2008, 08:41 AM   #16
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What's the trick to stripping just a small section of a wire? The aux jack's harness has very thin / very small gauge wires.
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Old 12-17-2008, 08:45 AM   #17
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Originally Posted by IsLNdbOi View Post
What's the trick to stripping just a small section of a wire? The aux jack's harness has very thin / very small gauge wires.
The ultimate trick is to use a thermal stripper, which melts the insulation off of a small section.

I use a small knife to make two parallel cuts (just through the insulation), then a cut along the wire, between the two rings.
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Old 12-18-2008, 01:04 AM   #18
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for reference, the lb is the same way as the sedan. i checked mine last night, 5 wires as well. islandboi did you do this to your sedan yet?
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