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Thread: 2003 Honda Accord Sports Coupe - a worklog

  1. #11
    Maximum Bitrate nasa's Avatar
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    Goal: Traffic updates

    Reserved

  2. #12
    Maximum Bitrate nasa's Avatar
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    General Accord Info

    2003 Honda Accord Wire Layout

    FUNCTION...................WIRE COLOR..............POLARITY..............LOCATION
    12volts...................... white.......................+..............ignitio n harness
    Starter...................... black/white...............+..............ignition harness
    Ignition.....................black/yellow................+..............ignition harness
    Accessory................. black/red...................+..............ignition harness
    Second Accessory.......white/red...................+..............ignition harness
    Keysense...................red/white or red/black...-..............ignition harness

    Power Lock .............. pink/black .................. - ........... grn plug, L side of fusebox
    Power Unlock ........... pink/blue .................... - ........... grn plug, L side of fusebox
    **These wires will meter while using the passenger door lock switch.

    Lock Motor .... yellow/black .... 5wi .... grn plug, front of fusebox
    Unlock Motor .... yellow/green .... 5wi .... grn plug, front of fusebox
    Disarm Defeat .... yellow .... 5wi .... large wht plug above fusebox

    Parking Lights+ .... red/black .... + .... large wht plug above fusebox
    Parking Lights- .... black/red or blue/red .... - .... in steering column cover

    Hazards .... green/red .... + .... large wht plug above fusebox
    Turn Signal(L) .... red/blue .... + .... large wht plug above fusebox
    Turn Signal(R) .... brown .... + .... large wht plug above fusebox

    Door Trigger .... green/red .... - .... grn 5 pin plug behind fusebox
    Trunk/Hatch Pin .... blue/black .... - .... driver kick, harness to rear
    Hood Pin .... yellow/red .... - .... hood pin switch in latch
    Trunk/Hatch Release .... yellow/green .... + ..... driver kick, harness to rear

    Factory Alarm Arm .... white/red .... - .... driver door module in door
    Factory Alarm Disarm .... white .... - .... driver door module in door
    Disarm No Unlock factory alarm disarm

    Tachometer .... blue/red or blue .... AC .... ECM/PCM
    **The ECM/PCM is on the front of the transmission tunnel.
    **The connectors are on the passenger side.
    **On the 4 cylinder models the tach wire is in the white 31 pin connector E, pin 25.
    **On the 6 cylinder models it is in the gray connector A, pin 23.

    Horn Trigger .... green/yellow .... - .... steering column
    Speed Sense .... blue/white .... ECM/PCM
    **The ECM/PCM is on the front of the transmission tunnel.
    **The connectors are on the passenger side.
    **On the 4 cylinder models the VSS wire is in the white 31 pin connector E, pin 26.
    **On the 6 cylinder models it is in the gray connector A, pin 11

    Wipers .... blue (L), yellow (H) .... - .... windshield wiper motor

    LF Window up/dn .... red/black - red/yellow .... LF window switch in door
    RF Window up/dn .... red/blue - red .... RF window switch in door
    LR Window up/dn .... red/white - blue/black .... LR window switch in door
    RR Window up/dn .... red/white - blue/black .... RR window switch in door

    Sun Roof open/close .... green/yellow - green/black .... moonroof motor, rear of roof
    **Only on the sedans.
    **Coupes: the moonroof motor is integrated into the moonroof control unit not allowing
    **access to the motor wires.

    Radio 12v .... white/green .... + .... radio harness
    Radio Ground .... black .... - .... radio harness
    Radio Ignition .... yellow/red + .... radio harness
    Radio Illumination .... red/black .... + .... radio harness
    Power Antenna .... yellow/green .... + .... radio harness
    LF Speaker +/- .... green/black - lt. green .... radio harness
    RF Speaker +/- .... grn/yel - gray or gray/red .... radio harness
    LR Speaker +/- .... blue/white - blue/black .... radio harness
    RR Speaker +/- .... pink - blue/yellow .... radio harness


    Seat Removal:

    I originally thought that I might be
    able to get to it by removing the front bolts, loosening the rear bolts,
    and leaning the seat back

  3. #13
    Maximum Bitrate nasa's Avatar
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    Goal: Reliable

    Over the 1 1/2 working on my system, I have gone through multiple pieces of hardware -- I am at the conclusion that most is not of high enough maturity or reliability to be mainstream... I hope this improves.

    What has been reliable -- my memory module is the same one I started out with. My present motherboard and cpu have been going strong for the last 9 months (it took 3 iterations of mb/cpu combos to get to this point). Touchscreen has *worked* (once I figured out the correct settings) for a good year.

    [12/04/06] Problem with no sound when audio clearly playing.
    Resolution: Turn up the volume within Winamp....

    [July 2, 08] Latest issue: Computer crashes at somewhat random timing. Testing today make me think it's related to the volume . I had the crash late yesterday afternoon (crash in this case = stuttering music, followed shortly by a blank screen (video still being produced as monitor light is solid) which I initally attributed to heat or power. I had it crash again, this morning --effectively limiting the idea of heat (it was a much cooler morning, and I had AC cooling the trunk). For whatever reason, I decided keeping the volume low could make a difference. Attempting that allowed the computer to run for the next 2 trips (about 25 && 45 minutes) without a crash. The next trip, I kept the volume low for about 35 minutes before raising the volume (much higher, but unsure what level I had raised it too) which led to a crash about 5 - 10 minutes later. Some further observations using SpeedFan, I noted that increasing the volume does increase the temps -- and no to slowly. Tested this at about 5am with outside temps around 70F, cpu temp starting at 121F. Raising the volume from 5 to 50 for about 10 minutes led to cpu around 126F. CPU is rated for temps from 0 to 100C, however, the MB is rated only upto 60C


    [July 8, 08] Recurring Issue: Every so often (like this morning) my Opus 120W power supply will fail to power up as it's suppose too. It requires removing the power connector (maybe doing it a couple of times) and reconnecting it after a few moments to get it to start up again. This problem has been existing for a while now. I haven't noticed a pattern for when it works correctly vs when it fails to start. The problem has existed over multiple DC-DC adapters -- so I don't think it's that. But, if I assume that -- I'm not sure where I should be looking. I should note that I do have a valet switch that kills the 12V power to my computer.... However, it doesn't usually work. Well, the 12V is cut off -- but switching it back on doesn't mean the computer will restart. I have noticed this consistantly when I have had a computer freeze, that using the valet switch causes issues with trying to restart the computer. That said -- when my system does power up, power seems to work just fine

    Other Issues I'm working:
    - improve boot/shutdown speeds
    - Fix my center console (doesn't open right)
    - Make display more OEM[See post 28]
    - Place the CK3100 in a better location
    - Find ways to make usb mouse/keyboard wires retractable (or maybe a small bluetooth keyboard/mouse)
    - fix broken aux cable
    - add in a cable to recharge phone
    - Configure my own rr skin to work with SN
    -- need to use freq+/-, scan, tune, & surf radio commands
    - my router doesn't reach my car...
    - improving load times within RR (between different screens)
    - determine wether power from usb powered hubs reaching back to my computer is a problem or not...

  4. #14
    Maximum Bitrate nasa's Avatar
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    Goal: Utilize car controls

    I had/have envisioned getting my steering wheel && stereo controls to work with my headless system. My first thought was to use SWIX for steering wheel control without much thought of the other controls. Then I learned of Car2PC, which I had hoped would give me *full* control. Well....

    First off, just in case someone else out there is as dense as I am, I wanted to post what car2pc will do for you, using my 2003 accord as an example.

    • Button
      Works
    • AM/FM
      NO
    • CDC
      YES
    • Seek
      YES
    • Repeat
      YES
    • Random
      YES
    • Tune
      YES
    • Button 1
      NO?
    • Button 2
      NO?
    • Button 3
      NO?
    • Button 4
      NO?
    • Button 5
      YES
    • Button 6
      YES
    • Scan
      YES
    • Volume Knob
      NO
    • Steering Wheel Mode
      NO
    • Steering Wheel Prev/Next
      YES
    • Steering Wheel Volume
      YES

    To help decipher if a button will work for you -- check to see if the button has actions the will apply to the CD Changer. Although car2pc says it will give you access to your steering wheel controls -- that is only true if the controls will change something with a CD Changer. That's why Volume control on the steering wheel won't work. The Mode button (switches between AM/FM/CD/CD Changer/etc) will only tell you when you enter/exit CD Changer mode.

    Given the problems with using Car2PC for the steering wheel, I have implemented using the SWIX for that purpose (and it works, mostly). The SWIX works by sending IR commands to my USB-UIRT, which I then pass to Girder. The only problem I have with it, is the *responsiveness* isn't quite there. Especially the MODE button.

    Once I got the SWIX working, I went back to get the Car2PC to do what it can. Well, that leads to my present problem. It turns out that both the usb-uirt and the car2pc use the same chip.... I have installed drivers for each individual device, but now only 1 will work at a given time. Specifically this is true if I use the Car2PC windows drivers. The non windows drivers do work with the UIRT, but not with the RR Car2PC drivers.

  5. #15
    Variable Bitrate
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    I can change volume on my steering wheel, from any mode.
    And no problem with button functionality at all.
    06 accord with car2pc

  6. #16
    Maximum Bitrate nasa's Avatar
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    Skuller,

    Are you using the headunit that comes with the Accord? ie: you're using the car2pc to send audio that is played out your stock system... If so, that would explain the difference as I am not using the stock headunit.

  7. #17
    Variable Bitrate
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    Quote Originally Posted by nasa View Post
    Skuller,

    Are you using the headunit that comes with the Accord? ie: you're using the car2pc to send audio that is played out your stock system... If so, that would explain the difference as I am not using the stock headunit.
    my mistake, I didn't pay attention to your system.
    yes I am using the stock h/u

  8. #18
    Maximum Bitrate nasa's Avatar
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    Car Diagrams

    To help keep things straight, I am adding a couple of diagrams (my computer && the equipment added in my car). Some points I need to clarify, as I had them installed by a *professional*. But should be a good starting point....





    Updated diagram...
    Attached Images Attached Images  

  9. #19
    Maximum Bitrate customaudioman's Avatar
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    I have an 03 accord coupe and would like to use my steering wheel controls in my carputer on streetdeck and wmp11.I bought the fusion brain a few months back for that reason, but in streetdeck I'm unable to program it to work( a lot of self programming use have to do just to use fusion brain). I was looking to get a universal steering wheel control interface by peripheral for $40.00. I think it IR which my sound card has an IR remote to it also, but since the sound card is in the trunk, I dont have the line of sight. Is the peswix eye long enough to reach the back where the sound card is? Will this setup work? I don't use my head unit. I use aftermarket amps which connects to sb external sound card. Carputer -- to soundcard-- to aftermarket amp-- to speakers.

  10. #20
    Maximum Bitrate nasa's Avatar
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    No,

    I don't remember the SWIX cable being that long... But I could be wrong -- I didn't have an IR sensor on my computer at the time, so using the USB one was my only option. With my setup, I use Girder to decipher the IR commands coming from the steering wheel. I don't know anything about doing that with a soundcard (not saying you can't, I just don't know a thing about it).

    BTW: I use RR, and a basic Girder file is already created for it. I just had to add in the IR messages against the commands I wanted sent. I don't know if this is available for SD, but I would have to hope so....

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