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ACD Pump question

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Old Jun 2, 2011 | 05:25 PM
  #1  
krazybtch's Avatar
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ACD Pump question

So ive researched EvoM about the 3 lights that come on when driving and ran tests and determined the ACD pump isn't coming on so instead i replaced the transfer case to a non acd one but the lights are still coming on. I even took out the ACD relay thinking since the pump isn't hooked up the lights wouldn't come on.

Could something else be wrong or does the pump have to be completely removed for the lights to stop coming on? I know they should all 3 come on as soon as i start the car but they aren't. Advice anyone?
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Old Jun 4, 2011 | 10:16 AM
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bump!
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Old Jul 7, 2011 | 12:48 PM
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I'm pretty sure that the AWD ECU (which is referenced in the ACD troubleshooting in the service manual) is coded such that it's expecting the ACD to be present and working.
If you changed the transfer to a non-ACD unit, you shouldn't have to worry about the lights (unless they're just annoying).
It shouldn't affect anything about the way that the car drives to have the lights on (assuming you just have a VC transfer).
Hope that helps.
If you need more clarification, feel free to PM me and ask.
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Old Jul 7, 2011 | 04:35 PM
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From: Sulphur, LA
Originally Posted by wild01ride
I'm pretty sure that the AWD ECU (which is referenced in the ACD troubleshooting in the service manual) is coded such that it's expecting the ACD to be present and working.
If you changed the transfer to a non-ACD unit, you shouldn't have to worry about the lights (unless they're just annoying).
It shouldn't affect anything about the way that the car drives to have the lights on (assuming you just have a VC transfer).
Hope that helps.
If you need more clarification, feel free to PM me and ask.
Head on the nail. Best thing I can think of is try to clear the code outand see if it sticks just to get rid of the lights or take the bulb out.
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Old Jul 7, 2011 | 04:50 PM
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From: Virgie, KY 41572
Put a piece of tape over the lights.
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Old Jul 7, 2011 | 04:56 PM
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Originally Posted by HN7
Put a piece of tape over the lights.
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Old Jul 7, 2011 | 04:58 PM
  #7  
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Originally Posted by wild01ride
I'm pretty sure that the AWD ECU (which is referenced in the ACD troubleshooting in the service manual) is coded such that it's expecting the ACD to be present and working.
If you changed the transfer to a non-ACD unit, you shouldn't have to worry about the lights (unless they're just annoying).
It shouldn't affect anything about the way that the car drives to have the lights on (assuming you just have a VC transfer).
Hope that helps.
If you need more clarification, feel free to PM me and ask.
Yeah after changing it out it still ran perfectly fine. No other issues yet just the annoyance of the lights thats a small thing i decided to deal with. Thanks for the help.
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