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I have a 1998 M3 the car hasn?t been started in about a month. When I started it the ASC, ABS, and Check Engine lights are on. What could have caused that?
Re: I have a 1998 M3 the car hasn?t been started in about...
Have you tried driving it this usually clears faults
Also when stopped /engine running,turn steering lock to lock
If any warning lights are still on,take it to local auto electrician who will reset
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Sorry for the non-answer, but it occurs to me that the reason that I don't know where the module is located is because I have never heard of one failing.
Common failures in the ASC system include different sized tires or physical damage to the speed sensors at the wheels, or to their leads (this generally causes both the ASC and ABS lights to illuminate). Another common problem is failure of the ASC throttle body or actuator. Make sure that the hose clamp screw on the throttle body rubber boot is not interfering with the motion of the arm on the ASC throttle. That screw has to be on the side of the boot, not on top.
could be the abs/asc controller, on the abs side could be a bad abs pump.
for the asc could be wheel sensors...but I bet its a wet ecu again...
read the note below about a 99 m3 E36
the ecu compartment is under the windshield on the passenger side on E36
you gain acess to it under the hood....
this compartment gets wet, the ecu lays on a flat surface in that
compartment.
the bottom side of the circuit board gets wet and starts corrosion.
remove the ecu, take the bottom plate off, clean the bottom of the circuit
board with alcohol and a soft tooth brush.
you should be able to see the signs of corrosion or conductive build up.
this gunk bridges solder points doing all sort s of wierd things to your
car, including false sensor readings from asc/abs controllers and other
sensors....
all the way to engine failure and worst case burnt and shorted wiring
harness.
I'm on my 3rd ecu, took me and the repair boys a few years to figure this
one out.
BTW: i would get that ecu mounted above that flat surface, use some sort
of standoff to raise it so that it is not laying in the wet.
Check to see if your brake pads and rotors are in good condition. Or if
you have replaced the pads yourself and have not reset the wheel
sensors this would cause the ABS Antilock Brake System light and the
ASC Automatic Stability Control light to stay on as the ASC uses the
ABS brakes with computer assistance to control the traction of the car if not fixed it can effect your rev limiter slowing performance
Check to see if your brake pads and rotors are in good condition. Or if
you have replaced the pads yourself and have not reset the wheel
sensors this would cause the ABS Antilock Brake System light and the
ASC Automatic Stability Control light to stay on as the ASC uses the
ABS brakes with computer assistance to control the car
Check to see if your brake pads and rotors are in good condition. Or if
you have replaced the pads yourself and have not reset the wheel
sensors this would cause the ABS Antilock Brake System light and the
ASC Automatic Stability Control light to stay on as the ASC uses the
ABS brakes with computer assistance to control the traction of the car if not fixed it can affect your rev limiter and slow performance
Check to see if your brake pads and rotors are in good condition. Or if you have replaced the pads yourself and have not reset the wheel sensors this would cause the ABS Antilock Brake System light and the ASC Automatic Stability Control light to stay on as the ASC uses the ABS brakes with computer assistance to control the car
Check to see if your brake pads and rotors are in good condition. Or if
you have replaced the pads yourself and have not reset the wheel
sensors this would cause the ABS Antilock Brake System light and the
ASC Automatic Stability Control light to stay on as the ASC uses the
ABS brakes with computer assistance to control the car
When your ASC light is on this is to let you know your Automatic Stability Control system is switched off press the ASC button Till light is off /ASC is on this works with your rev limiter and should stabilized your idle. If the problem persists have your throttle control unit checked as thi can trigger the ASC light as well and may also activate the ABS light if not fixed
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