Rebuilding the Electronic Reverse Module ? - BMW Luxury Touring Community
 
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post #1 of 7 Old Jan 24th, 2011, 4:25 am Thread Starter
Miles of Smiles
 
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Smile Rebuilding the Electronic Reverse Module ?

Just wondered if anyone has ripped into this unit. 5 years so far and finally the dreaded hesitation in reverse. About 4 feet per time. Checked for the well known obvious faults, but nothing amiss. Annoying but could be worse.
I can feel the relay operating, but wondered if non-working components could be replaced.
Replacing whole assemblies rather than components is now the mechanical norm.
Cost aside, seems a waste of resources to me.
Looking forward to hearing from you electronic guru's.

Jenna: Ocean Blue '06
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post #2 of 7 Old Jan 24th, 2011, 7:57 pm
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Re: Rebuilding the Electronic Reverse Module ?

Hilton,

Usually that is NOT a symptom of the controller but rather one of the sensors that feeds the controller. Most often a short run will be caused by the speed sensor. I would try that first.

The thing is just dead if the controller goes out. You can do a poor man's fix by using a Ford starter relay to power the starter motor once you have the reverse gears engaged.

John
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post #3 of 7 Old Jan 24th, 2011, 8:29 pm Thread Starter
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Smile Re: Rebuilding the Electronic Reverse Module ?

Thanks John, your thoughts are welcomed. Removed the speed sensor as part of my clutch rebuild, however the hesitation symptoms had begun prior to this work. Not sure if it was just coincidence but began after a tip-over from wind to the right. Thought it may have been the connector on that side but checked and it seemed fine.
Is there any way to check the function of this sensor ? Resistance maybe ? I'll check the continuity again.
Cheers

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post #4 of 7 Old Jan 25th, 2011, 10:42 pm
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Re: Rebuilding the Electronic Reverse Module ?

Not sure how to test it. I think it operates on reluctance like a cam or crank position sensor. I can't get to mine to look at as we 1300 miles apart until this weekend.

John
2009 K1300GT Red Rocket
2009 R1200GS (Gone)
2005 K1200LT Ocean Blue Blue Wizard 110 K and counting...
2006 Bushtec Turbo+2 Spell
2004 330 Ci Convertable
K4AN

Have ridden a Motorcycle in all 48
But lack DE, MA, RI and CT with the 2005 LT

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post #5 of 7 Old Jan 26th, 2011, 12:43 am
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Re: Rebuilding the Electronic Reverse Module ?

Quote:
Originally Posted by Hilton
Thought it may have been the connector on that side but checked and it seemed fine.
Cheers
Hilton - How did you check the condition of connector? ("Seemed fine"). Mine did too but it was crap. Just by removing the connector and welding the wires (from connector to harness) I got rid of the problems with reverse. The problems were just similar to yours.

Born to be wild so why not

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post #6 of 7 Old Jan 26th, 2011, 4:06 am Thread Starter
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Smile Re: Rebuilding the Electronic Reverse Module ?

Thanks CAD. As removing the speed sensor was required for my clutch work, I just visually checked the wire loom / connector and when reassembling used some dielectric grease. Over the years I must have done this to 90% of my connectors, never had electric issues until this. Bike and I are 10,000 kms apart now but will use my multi-meter when I can to electrically check this system more carefully.
Cheers

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post #7 of 7 Old Jan 26th, 2011, 5:25 am
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Re: Rebuilding the Electronic Reverse Module ?

Quote:
Originally Posted by Hilton
Bike and I are 10,000 kms apart now
Nothing like making fixing your bike difficult, I find being up close works best for me. I've heard of remote viewing, but remote fixing, what will you guys think of next.

Rgds
Mike

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