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Registered User
Join Date: Apr 2019
Posts: 8
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Testing a Throttle Position Sensor
Right now, there is a bad hesitation when my 2001 BMW R1100S accelerates. I suspect there is a bad spot on my TPS, but I'd still like to verify it with a DMM. I've enclosed a photo of this 4 pin connector to the TPS. There doesn't seem to be a convenient place to insert a T-pin to back-probe the connectors. Does anyone know if there is a pigtail T- connector sold to allow me to easily get to these connectors, when it's connected up to the TPS.
Sorry for the grainy photo. 
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06-02-2020, 09:38 AM
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I am all in when wanting to spend money on the motorcycle.
But, if you want to save a little time and money, just use some fine wire. Just strip the ends of some fine insulated wire , place them in the connector, and then close up the connectors like you normally would. You will find that there will be enough clearance for the wires.
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2004 R1100S |
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06-02-2020, 10:14 AM
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Registered User
Join Date: Apr 2019
Posts: 8
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Thanks. I'm definitely not in the mood to be spending money, but my experience has been that the right tool saves me so MUCH time and pain that I'm pound foolish/penny wise to try and scrimp by not having the correct tool for the job.
Having said that, I'll still take your suggestion and gladly give it a try. I have some 22 gauge insulated wire lying around which should hopefully fit. Thanks, Norman |
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06-02-2020, 11:00 AM
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Registered User
Join Date: Feb 2011
Location: Minnetoonka MN
Posts: 73
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If you are only checking continuity and resistances w an ohmmeter, use as fine a stranded wire as you have. You don't want to mess up this connector or the mating receptable.
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06-02-2020, 01:44 PM
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Registered User
Join Date: Apr 2019
Posts: 8
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As I stated in my original posting, I'm going to be testing the voltage values to ensure it increases in a continuous way as I roll the throttle.
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06-03-2020, 05:54 PM
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Registered
Join Date: Oct 2015
Location: Naples, FL and Cape Cod
Posts: 160
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There are two overlapping pots inside the tps. One for 0-25 degrees and another for 20-90 degrees.
Take care when inserting the fine wires. It is possible (rare) to short to the +5V in the connector and zap your Motronic. |
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06-11-2020, 08:17 AM
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Registered
Join Date: Mar 2018
Location: Austin, Texas, USA
Posts: 108
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Playing around with my GS911 on my '03 S, I found that you can use it to set up the throttle position sensor. Mine was well within range.
Frank
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'03 R1100S BCR #6/200, '85 K100/1100RS, '23 R1250RS '17 R1200RS (gone) '16 R1200RS (gone) '11 R1200RT (gone) '05 R1200ST (gone) '99 R1100S (gone) '96 Ducati 900SS/SP (gone) 40 years, 500,000+ BMW miles |
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06-12-2020, 05:27 AM
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Twist Ties
Just an FYI. I have used the wire from paper twist ties. Just take some or all of the paper off, cut to desired length.
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06-15-2020, 10:55 AM
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