Question about Cars & Trucks
The parking sensors on this car don't work. When its in reverse there is a short beep followed by a longer beep. According to the andbook this means a fault is present. I need details of how best to isoloate the actual fault without dismantling the entire system. Any tips please?
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Posted on Jan 02, 2017
Thats the fail for the sensors, try puting ingnition on, dont start the car, then put it in to reverce and put your ear to the sensors check them all they should click any that dont are faulty D
Posted on Feb 15, 2009
the only way to really diag this is with a bmw certified tester that will allow the tech to gointo the system to let you know what faults are in the system and how to proceed
Posted on Apr 02, 2009
the park sensors send out a beam and the return signal intensity tells it the distance.if there is dirt or water in the sensor or it is shorted,it will think you are very close to an object and beep like that.there is more than one,disconnect them one at a time,or take them out and measure the comparative resistance.the one that is no good will read different
Posted on Jun 14, 2009
try asking someone to walk past the back of the car when its in reverse.with the brake on please...you described what happens when you arm the sensors....
Posted on Mar 08, 2010
have someone walk behind you when in reverse gear, it bleeps once to tell you its working then only beeps when close to an obstacle.
Posted on Mar 19, 2010
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