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AlanMcR
Expert
Date registered: Apr 2006
Location: US, CA, Los Altos
Vehicle(s): G300DT E300DT 230SL
Posts: 3500
| RE: No ABS, BAS, ESP
oskar - 3/13/2018 12:00 PM did you figure what was causing your intermittend ESP/BAS issue? I am casing a similar one Check the sensor wiring. One of mine had rubbed against a metal part and would occasionally short out.
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maxbackbone
New user
Date registered: Dec 2014
Location: Germany/Hessen/Kassel
Vehicle(s): G300TD
Posts: 2
| Re: No ABS, BAS, ESP
hello together, I also think of the brake pedal switch as karl.
Attention when measuring, ?I believe it is an opener, not a closer?
or of course an abs sensor.
Mario |
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AlanMcR
Expert
Date registered: Apr 2006
Location: US, CA, Los Altos
Vehicle(s): G300DT E300DT 230SL
Posts: 3500
| Re: No ABS, BAS, ESP
Mario, The switch has two different contacts. One that opens when the pedal is pressed and one that closes when the pedal is pressed. Remember that the assembly works backwards from what you think: when the pedal is pressed, the button on the switch goes out, and when you let go of the pedal the button is pressed in again. I can't remember which of the two internal contacts fails, but they fail pretty regularly. ...Alan
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oskar
Elite Veteran
Date registered: Sep 2006
Location: Lyons, CO
Vehicle(s): 1981 280GE, 2002 G500, 280SE 4.5, Audi A4 1.8T
Posts: 708
| Re: No ABS, BAS, ESP
AlanMcR - 3/23/2018 1:16 PM
Mario, The switch has two different contacts. One that opens when the pedal is pressed and one that closes when the pedal is pressed. Remember that the assembly works backwards from what you think: when the pedal is pressed, the button on the switch goes out, and when you let go of the pedal the button is pressed in again. I can't remember which of the two internal contacts fails, but they fail pretty regularly. ...Alan
yep, and when that switch fails you are stuck - cannot get the car in gear |
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maxbackbone
New user
Date registered: Dec 2014
Location: Germany/Hessen/Kassel
Vehicle(s): G300TD
Posts: 2
| Re: No ABS, BAS, ESP
Ok, I thought it was just an opener. but both are possible to check, right?
thank alan
Last year I had the same situation with my 202. I did not find the mistake. After 5 months it has repaired itself. Good look |
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