Car MOT Manual 2012 onwards
8.2 Wipers and Washers
InformationThis inspection applies to all vehicles, except those with an opening windscreen, or with some other means of providing the driver with an adequate view.
Method of Inspection1. Operate the washers and the wipers and note the swept area of the windscreen.
2. Examine the condition, security and effectiveness of the wiper blades and their contact with the windscreen.
3. Check the function of the windscreen washers
Reason for Rejection1.
a. A wiper or washer control missing or inaccessible to the driver
b. a wiper does not continue to operate automatically when switched on
c. a wiper installed for the use of the driver does not operate over an area of the windscreen large enough to give the driver an adequate view of the road through the windscreen to the left and right sides of the vehicle, as well as to the front.
2. A wiper blade insecure, missing, or in such a condition that it does not clear the windscreen effectively to give the driver an adequate view of the road through the windscreen to the left and right sides of the vehicle, as well as to the front.
3. The windscreen washers do not provide enough liquid to clear the windscreen in conjunction with the wipers.