10-04-2014, 12:12 PM
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#1
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Registered User
Join Date: Jul 2008
Location: austin
Posts: 824
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Brake Pad Sensor Light issue
On my track car my brake pad sensor light had been coming on intermittently.
Ultimately, it came on full time.
I have plenty of pads so I started to look at the sensors.
The last time the pads were replaced, one of the sensors was damaged and had been replaced.
I checked my rear sensors, and they were loose. I plugged them back in to no avail.
Ultimately I ended up buying 4 new sensors thinking it best to replace the whole set just in case there was a balance/comparison mechanism going on.
I still have the brake pad sensor light on solidly.
Is there a way to query the brake pad sensor circuit to know which one it is complaining about? I have a durametric, but I don't remember that being a monitored event.
thanks,
Mike
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Drivers: '15 Panamera Hybrid (wife's), ' 01 996 GT2, 00 Boxster S, '96 993 Çab/Tip (wife's)
Race Cars: '75 911 RSR Replica & '99 Spec Boxster
mike@lonestarrpm.com
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10-04-2014, 03:19 PM
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#2
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550 Anniversary
Join Date: Jul 2012
Location: Surrey, UK
Posts: 747
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Have you thought about shorting the sensors out?
__________________
Current: 550 Spyder Anniversary- Carnewal exhaust - 100 cell cats - stainless manifolds - 4" underdrive pulley - poly gearbox mounts - rear lower alu brace - adjustable rear toe links
Sold: 986S - Zenith Blue - 18" Sport Classics - Black Zunsport grilles - Stainless silencer and manifolds - K&N panel - shortshift - M030 suspension - 75mm throttle body - custom 83mm intake - SmartTop - custom remap - MDS underdrive pulley
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10-04-2014, 03:58 PM
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#3
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Registered User
Join Date: Dec 2007
Location: Seattle
Posts: 735
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Most track guys remove the sensors or tie them back. The sensors don't like the high heat that occurs when tracking. For those that inspect their brakes regularly, they really aren't needed. It is mostly for the non mechanical types that haven't got a clue as to what is making that scraping noise when they step on the brake pedal.
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2000S Ocean Blue Metallic- 116K
3X Water Pump, Clear side markers, Crios Mod, Front engine mount, Flywheel, clutch, RMS, AOS, MAF, serpentine belt, power brake vacuum line, battery, 2X CV boots, Fuel filter, Oil filler tube, 3X ignition switch, 90K service, gas cap
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10-04-2014, 04:16 PM
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#4
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Registered User
Join Date: Jul 2008
Location: austin
Posts: 824
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Quote:
Originally Posted by edc
Have you thought about shorting the sensors out?
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Wasn't sure how they worked
Ie how do you disable them, short them, or solder in a known resistance
Mike
__________________
Drivers: '15 Panamera Hybrid (wife's), ' 01 996 GT2, 00 Boxster S, '96 993 Çab/Tip (wife's)
Race Cars: '75 911 RSR Replica & '99 Spec Boxster
mike@lonestarrpm.com
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10-04-2014, 04:21 PM
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#5
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Registered User
Join Date: Dec 2007
Location: Seattle
Posts: 735
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If I recall correctly, there is just a wire in the end that breaks the circuit when it is worn down enough.
__________________
2000S Ocean Blue Metallic- 116K
3X Water Pump, Clear side markers, Crios Mod, Front engine mount, Flywheel, clutch, RMS, AOS, MAF, serpentine belt, power brake vacuum line, battery, 2X CV boots, Fuel filter, Oil filler tube, 3X ignition switch, 90K service, gas cap
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10-04-2014, 06:30 PM
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#6
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still plays with cars...
Join Date: May 2011
Location: Baden, ON, Canada
Posts: 1,087
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Quote:
Originally Posted by seningen
Wasn't sure how they worked
Ie how do you disable them, short them, or solder in a known resistance
Mike
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Strip and twist the 2 wires together, heat shrink & Ziptie the whole circus out of the way to the back of the strut.
Presto, no more dash light. 
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Six speed 2000 Boxster S
Arctic Silver on Metropol Blue | LN Dual Row IMSR | Arctic Silver console, spoiler frame & bumperettes | Crios mod | Technobrace | RoboTop module & modified convertible top relay for one-touch roof operation
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10-05-2014, 06:44 AM
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#7
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550 Anniversary
Join Date: Jul 2012
Location: Surrey, UK
Posts: 747
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I melted the sensors on my previous Boxster just by driving in the Alps last year. This year I changed pads to a DS2500 which don't have the slot anyway and simply shorted them out as above. The rear sensors are still in and they didn't melt but if there is a problem you can do the same.
__________________
Current: 550 Spyder Anniversary- Carnewal exhaust - 100 cell cats - stainless manifolds - 4" underdrive pulley - poly gearbox mounts - rear lower alu brace - adjustable rear toe links
Sold: 986S - Zenith Blue - 18" Sport Classics - Black Zunsport grilles - Stainless silencer and manifolds - K&N panel - shortshift - M030 suspension - 75mm throttle body - custom 83mm intake - SmartTop - custom remap - MDS underdrive pulley
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