Have anyone encounter this problem? all my lights are on, they think its my bad speed sensor on the front right wheel.

Normally when the lights are on, i would think it is the acd pump.


Anyone?

 

If your car is ABS equipped, then you should also see the ABS warning.
This will lead to an broken Wheel speed sensor.

If you dont have ABS, then do the short throttle test for the pump.

disconnect battery for app. 2 minutes in the evening ( or after driving the car to work ), then reattach it again.
let the car sit over night or during work, ( or a min of 2 hours )

Ignition on, DO NOT START

wait app.5-7 seconds

Push the throttle 100% for app. 5 seconds
Then the ACD Pump should start ( you will hear it in quiet areas), and running for 10-20 seconds, then shutting off.

If the lights going all on immediately, the Pump or the pressure sensor has an problem.

If the Pump doesnt start, check the fuse in the positive battery terminal or the relay at the firewall ( Cabling / connectors )

If the lights are going on when you start to drive the car ( moving more than 10 Mph ), then its one or more of the ABS sensors or sensor rings.

 

Yes, a bad wheel speed sensor can cause the ACD lights to come on.

 

if the pedals pushing back at you and stuff then speed sensor. You can just pull the ABS relay under the hood and the car should be back to normal once you reconect the battery

 

Well it wasnt the pump so i dont have to worry about that.

FL speed sensor and uneven thread wear from front and back was the cause of the ACD lights.