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Old 03-19-2017, 09:24 AM   #1
dimmu123
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Join Date: Mar 2017
Location: Romania
Posts: 4
My Ride: e46 320D 1999 nfl
ABS Light after engine off for 1 second

Hello!

I have a weird problem after i replaced the alternator (The old one was noisy).

For example, after i turn the engine off, the ABS light comes and stays ON for 1 second. Same applies for other lights from the OBD, if i have ASC disabled and High Beem or handbrake lights on, they are still on after i shut down the engine for 1 second. This didnt happened before i replaced the alternator.

The values are 14.3-14.5V with car on, and 12.6V with car off.

E46 320d , 1999


Edit:::**

Here is the video wih the problem.

https://www.dropbox.com/s/cn3vwew7ih...93639.mp4?dl=0

Last edited by dimmu123; 03-19-2017 at 12:43 PM.
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Old 03-20-2017, 07:41 AM   #2
markusmarkus
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Join Date: Jul 2008
Location: USA
Posts: 5,894
My Ride: 2001 330Ci
Hmmm, you did disconnect the battery when you replaced the alternator?

Try this BMW approved procedure:
- disconnect the ground/earth cable from the battery
- disconnect the positive cable from the battery
- short the cables together for 10 minutes
- reconnect the positive cable to the battery
- reconnect the ground/earth cable to the battery (sparks are ok)
- reset the clock

This forces all the electronix to perform a hard reboot.
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Old 03-21-2017, 01:10 PM   #3
dimmu123
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Join Date: Mar 2017
Location: Romania
Posts: 4
My Ride: e46 320D 1999 nfl
Quote:
Originally Posted by markusmarkus View Post
Hmmm, you did disconnect the battery when you replaced the alternator?

Try this BMW approved procedure:
- disconnect the ground/earth cable from the battery
- disconnect the positive cable from the battery
- short the cables together for 10 minutes
- reconnect the positive cable to the battery
- reconnect the ground/earth cable to the battery (sparks are ok)
- reset the clock

This forces all the electronix to perform a hard reboot.
Hi! Thanks for your reply

I tried this, but still no luck. The cables have been shorted for 20-25 mins.
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Old 03-21-2017, 01:12 PM   #4
dimmu123
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My Ride: e46 320D 1999 nfl
Any other opinions?
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Old 03-26-2017, 01:31 PM   #5
dimmu123
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abs light on, alternator, sensor

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