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Forums › The Car › 206 Talk › What is this plug for? |
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 Posted: Fri Mar 20, 2015 1:29 pm |
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Joined: Feb 11, 2015
Posts: 55
Trade Rating: 0
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Can ayone identify this plug? Car is a 2002 02 reg 206cc 2.0 manual with auto aircon and ABS
Swapped my broken battery box today and discovered not only acid all over the gearbox and an empty battery cell (but battery still working?) but this plug skulking away down the side of the battery box and nothing likely for it to plug into.
Is it a spare?
Cheers
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Posted: Fri Mar 20, 2015 1:36 pm |
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Joined: Feb 08, 2010
Posts: 7045
Trade Rating: +5
Location: In the garage
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The alarm sits round there and so did the fuel cut off switch but I think that was removed from multiplexed cars.
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| 2001 GTi 138, Bilstein Sprint dampers, H&R springs, 21mm Peugeot Sport torsion bars, 22mm rear ARB, Peugeot Sport Group A wishbones, 283mm discs, Goodridge stainless hoses, Maniflow 304 grade 4-2-1 2.5" manifold and system, 200 cell cat, Richard Longman head, 45mm Jenvey throttle bodies, 9.5mm TB spacers, 90mm air horns, Jenvey throttle linkage, Jenvey fuel rail, Aeromotive and Goodridge fuel fittings and braided hose, ITG sausage filter, Radtec custom radiator, Piper Ultimate Road cams, Piper vernier pulleys, Omex 600 ECU. Saxo electric PAS pump, Vibra Technics engine mounts. Samco coolant hoses, TTV steel flywheel, 4.76 final drive ratio, 307 CC 180 ratios. 2019 BMW 530i. 2017 Mercedes C300 convertible. | |
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Posted: Fri Mar 20, 2015 1:43 pm |
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Joined: Feb 11, 2015
Posts: 55
Trade Rating: 0
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Thanks for the quick reply. It is multiplexed and the alarm is plugged in, I can see it hiding behind a metal bracket just under the scuttle panel, dont know about the fuel cut off switch though.
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Posted: Fri Mar 20, 2015 1:44 pm |
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Joined: Nov 27, 2010
Posts: 11520
Trade Rating: +10
Location: What's it to you? ? ?
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| Edward wrote: |
| fuel cut off switch but I think that was removed from multiplexed cars. |
Correct.
BSI unit controls the fuel cut off function on multiplexed 206.
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| Toyota C-HR GR Sport 2.0 Hybrid with JBL & Alcantara packs. | |
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Posted: Fri Mar 20, 2015 1:52 pm |
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Joined: Feb 11, 2015
Posts: 55
Trade Rating: 0
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Also got a non functioning speedo too, have bought a pp2000 device off ebay when i got this car after reading so many horror stories and the car has fared pretty well upto yet code wise. I've got speed sensor short circuited to earth and power steering stop information - coherence.
Have looked at the wiring that i can see and found nothing wrong but Im guessing that the speedo itself is at fault.
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Posted: Fri Mar 20, 2015 2:20 pm |
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Joined: Feb 08, 2010
Posts: 7045
Trade Rating: +5
Location: In the garage
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There are a few ways to work out if the clocks are at fault. I will come back later with an answer. Basically you can tell if the ecu is getting a speed signal from the gearbox.
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| 2001 GTi 138, Bilstein Sprint dampers, H&R springs, 21mm Peugeot Sport torsion bars, 22mm rear ARB, Peugeot Sport Group A wishbones, 283mm discs, Goodridge stainless hoses, Maniflow 304 grade 4-2-1 2.5" manifold and system, 200 cell cat, Richard Longman head, 45mm Jenvey throttle bodies, 9.5mm TB spacers, 90mm air horns, Jenvey throttle linkage, Jenvey fuel rail, Aeromotive and Goodridge fuel fittings and braided hose, ITG sausage filter, Radtec custom radiator, Piper Ultimate Road cams, Piper vernier pulleys, Omex 600 ECU. Saxo electric PAS pump, Vibra Technics engine mounts. Samco coolant hoses, TTV steel flywheel, 4.76 final drive ratio, 307 CC 180 ratios. 2019 BMW 530i. 2017 Mercedes C300 convertible. | |
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Posted: Sat Mar 21, 2015 3:46 pm |
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Joined: Feb 11, 2015
Posts: 55
Trade Rating: 0
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Ive changed the speed sensor for a new one, pp2000 is still saying speed sensor shorted to earth and things like aircon, airbags and even the roof is receiving incorrect signal from it.
One thing to point out is that when you save the scan data in pp2000 it comes up with a milage around 155000 miles yet the odometer is showing 98561 miles so it's a bit of a strange one.
Oh and the interior light flashes when you open a door.
Any clues on how to test if the ecu is detecting actual road speed? I havent tried pp2000 with live data while driving yet, suppose thats next course of action, then it will be dashboard out for a good inspection.
I can't just ignore this as because the roof is detecting a signal as if the car is moving it keeps disabling the roof and have to clear it with the diag which is getting annoying now.
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Posted: Sat Mar 21, 2015 4:05 pm |
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Joined: Nov 27, 2010
Posts: 11520
Trade Rating: +10
Location: What's it to you? ? ?
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I would start to look for a wiring harness fault.
What happens if you disconnect the speed sensor & then do a global scan?
ABS system not reporting any faults?
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| Toyota C-HR GR Sport 2.0 Hybrid with JBL & Alcantara packs. | |
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Posted: Sat Mar 21, 2015 5:29 pm |
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Joined: Feb 11, 2015
Posts: 55
Trade Rating: 0
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I have thought about unplugging it and scanning, I reckon its wiring and the result will be the same because im also getting a power steering stop information (coherence) code too.
ABS is reporting no faults thank god and works properly too (blooming dogs lol)
I've had a quick look around the wiring but its a bit overwhelming where to start with it all as there's so much and what do you take off first and how, to get to check said wiring?
If this was a 205 i'd have it sorted in a jifffy
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Posted: Sat Mar 21, 2015 5:41 pm |
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Joined: Feb 08, 2010
Posts: 7045
Trade Rating: +5
Location: In the garage
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Mine broke the wire just behind the bumper at the big multi plug. Ever thought the ecu is looking at mileage in KM which is about 98k miles? If the roof and other stuff us playing up it suggests the ecu isn't getting a speed signal. That suggests it could be a wiring fault.
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| 2001 GTi 138, Bilstein Sprint dampers, H&R springs, 21mm Peugeot Sport torsion bars, 22mm rear ARB, Peugeot Sport Group A wishbones, 283mm discs, Goodridge stainless hoses, Maniflow 304 grade 4-2-1 2.5" manifold and system, 200 cell cat, Richard Longman head, 45mm Jenvey throttle bodies, 9.5mm TB spacers, 90mm air horns, Jenvey throttle linkage, Jenvey fuel rail, Aeromotive and Goodridge fuel fittings and braided hose, ITG sausage filter, Radtec custom radiator, Piper Ultimate Road cams, Piper vernier pulleys, Omex 600 ECU. Saxo electric PAS pump, Vibra Technics engine mounts. Samco coolant hoses, TTV steel flywheel, 4.76 final drive ratio, 307 CC 180 ratios. 2019 BMW 530i. 2017 Mercedes C300 convertible. | |
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Posted: Sat Mar 21, 2015 5:57 pm |
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Joined: Feb 11, 2015
Posts: 55
Trade Rating: 0
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I dont think its getting a "speed signal" as such I do however think its getting a short circuit though because the interior light flashes when you open a door making it think the cars moving when it isnt, but pp2000 is saying it the wrong signal so not just earthed out so to speak.
You may be right about the 155,000 being in kms as thats what the program seems to default to, didnt think of that ha thanks, milage checks out and seems consistent on the mot history at least.
Bugger it going to check it now because its bugging me.
Re: the roof, when it stops working and i do a diag it comes up with speed signal wrong signal so is disabling it on purpose thinking im trying to open it while driving the car,
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Posted: Sat Mar 21, 2015 6:50 pm |
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Joined: Feb 11, 2015
Posts: 55
Trade Rating: 0
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Right, unplugged the speed sensor cleared all the codes and only code remaining now is power steering stop information (coherence) all other faults have dissappeared as expected.
Having said that it was like this before when the codes had been cleared until it had been driven. Ive had a few pernods so that will have to wait till tomorrow night after work now.
Had a quick look and cant see any big multiplug behind the bumper.
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Posted: Sun Mar 22, 2015 2:27 am |
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Joined: Feb 08, 2010
Posts: 7045
Trade Rating: +5
Location: In the garage
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The plug is up behind the fog light.
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| 2001 GTi 138, Bilstein Sprint dampers, H&R springs, 21mm Peugeot Sport torsion bars, 22mm rear ARB, Peugeot Sport Group A wishbones, 283mm discs, Goodridge stainless hoses, Maniflow 304 grade 4-2-1 2.5" manifold and system, 200 cell cat, Richard Longman head, 45mm Jenvey throttle bodies, 9.5mm TB spacers, 90mm air horns, Jenvey throttle linkage, Jenvey fuel rail, Aeromotive and Goodridge fuel fittings and braided hose, ITG sausage filter, Radtec custom radiator, Piper Ultimate Road cams, Piper vernier pulleys, Omex 600 ECU. Saxo electric PAS pump, Vibra Technics engine mounts. Samco coolant hoses, TTV steel flywheel, 4.76 final drive ratio, 307 CC 180 ratios. 2019 BMW 530i. 2017 Mercedes C300 convertible. | |
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Posted: Sun Mar 22, 2015 3:20 am |
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Joined: Apr 14, 2010
Posts: 713
Trade Rating: +2
Location: Gothenburg, Sweden
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| sloposse wrote: |
You may be right about the 155,000 being in kms as thats what the program seems to default to, didnt think of that ha thanks, milage checks out and seems consistent on the mot history at least.
Bugger it going to check it now because its bugging me.
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Conversion factor between km and miles is 1.609 (1,609 meters to a mile), so 155,000 km equals 96,333 miles and 98,561 miles equals 158,584 km
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| Silvermetallic 2004 206 RC | |
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Posted: Sun Mar 22, 2015 3:55 am |
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Joined: Feb 08, 2010
Posts: 7045
Trade Rating: +5
Location: In the garage
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Some cars have a sensor in the master cylinder don't they for the ESP? is that what the plug is for?
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| 2001 GTi 138, Bilstein Sprint dampers, H&R springs, 21mm Peugeot Sport torsion bars, 22mm rear ARB, Peugeot Sport Group A wishbones, 283mm discs, Goodridge stainless hoses, Maniflow 304 grade 4-2-1 2.5" manifold and system, 200 cell cat, Richard Longman head, 45mm Jenvey throttle bodies, 9.5mm TB spacers, 90mm air horns, Jenvey throttle linkage, Jenvey fuel rail, Aeromotive and Goodridge fuel fittings and braided hose, ITG sausage filter, Radtec custom radiator, Piper Ultimate Road cams, Piper vernier pulleys, Omex 600 ECU. Saxo electric PAS pump, Vibra Technics engine mounts. Samco coolant hoses, TTV steel flywheel, 4.76 final drive ratio, 307 CC 180 ratios. 2019 BMW 530i. 2017 Mercedes C300 convertible. | |
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