Question about Land Rover Discovery
Widscreen wipers dont work
Posted by Anonymous on
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Posted on Jan 02, 2017
hello,seem your combination switch have problem,remove your under dash,maybe poor connection on wiring or your combi. switch defective,ty
Posted on Apr 16, 2009
I had this problem two years ago on my Audi A4. First you must diagnose this problem. In order to find out the cause of wipers stopping you can try follows: 1. Carefully extract the wiper arms from their axles (two pieces). In some cases you need to use an extracting tool. Heed of the windscreen !!! 2. Disassemble the plastic covers from the bottom of the windscreen. 3. With the bonnet up you can start the engine, (transmission in "N" or "P" position and parking brake on). Now you must switch on the control lever of the wipers, and go to the engine compartment. If the wiper motor runs let the wiper motor running for a few minutes and switch off. Go to the step 4. If the wiper motor do not runs you must check first the electrical feeding of the motor. It is necessary to unscrew three bolts of the mechanism and disconnect the electrical coupling (difficult assurance). If the electrical feeding is OK you must replace the motor - steps 5, 6, 7. If not you must check electrical connections, the control switch of wipers and electric cables. 4. Now you must check the two bearings of wiper mechanism with your hand. In the most cases the left bearing is out of order (is very hot). This is the most encounter fault of the wipers running at Audi. 5. For have enough space to manipulation the wiper motor together with their mechanism you must extract the plastic cover of the engine computer box, and extract also the box screws. Then you can move slowly the engine computer box, just for a few milimeters. 6. You must disconnect the electrical coupling of the motor (difficult assurance), unscrew three bolts of the mechanism and extract together with the motor. You must move them slowly between windscreen and engine computer box until the wiper motor go out together with the mechanism. This is the most difficult operation! 7. Now you can repair the bearings, replace entire wiper mechanism or replace the wiper motor. It is not very simply, but it works. Heed of the windscreen !!! Refit in reverse order. Please Rate my Response! Thanks!
Posted on Sep 29, 2009
you should check the connection to the main board and the connections to the motor for the wipers. these sometimes become gunked up, so when you pull them apart to check them clean them with sand paper or something that can scrub them like a green scratch pad
Posted on Dec 24, 2009
Ok, here are the wiring colors and functions/destinations. C0030 is the motor connector for the front windscreen.
C0030-1 - Black, runs to a Earth
C0030-2 - White/Green - Fed from the front wiper relay, via the IDM
C0030-3 - Blue/Green - Flick Wipe/Fast Wipe
C0030-4 - Green/SlateGrey - Power from Aux Relay
C0030-5 - Red/Green - Looks to be a speed control connection.
It's hard to tell to be honest, you'd really need to sit down with RAVE and the electrical circuit diagram and the operation description to make head or tail of it.
Posted on Feb 25, 2010
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