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Not sure if my experience will help......
When I bought my car, the steps were failed. It turned out they were isolated at the control switch. After turning them back on (by holding the button for more than 4 secs with engine running), one worked really sluggishly and the other was seized solid but the fuses were not blown. Sorry I am out at the moment and cannot find the fuse numbers.......
However, after soaking all the moving parts with WD40 and leaving for 40 minutes or so, I tried them again and both started to work, the drivers side pretty well and the passenger side rather slowly. With no fuses having blown, I now suspect the ECU controlling the steps measures the current draw to detect obstructions and isolates the supply long before the fuses blow as when the steps are working well, they detect obstructions and retract again. If I'm right, the fuse will only really be called on to protect en electrical fault.
Since getting them working, again, the drivers side has been reliable albeit with a generous squirt of spray oil every couple of months. The passenger passenger side has always been slow so at the weekend I finally found the time to take the whole thing off the car (6 bolts, none seized and one electrical plug) because I was getting regular fault codes from the ECU on the IID tool.
With it on the bench, half an hour of fettling has cleaned up both the parallelogram movements, freed them up and greased them well and it works a treat again now! No fault codes this week and never a blown fuse. Taking a rest from Land Rovers for a bit.......
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26th Jan 2016 5:46pm
