Lesson 3: System Diagnosis
In the third lesson in this section you will take on the job of a technician working at a BMW dealership. A customer has come to the dealership because the windscreen wipers on their car are not working - it is your job to find out why!
At the end of this lesson you should be able to:
- Follow detailed manufacturer's test procedures
- Use diagnostic equipment to diagnose a customer concern
- State the correct order of diagnostic steps.
Click on 'Play lesson' to begin (make sure you have a copy of the workbook from your teacher or you have downloaded and printed your own copy before you start).

Click here to use the high contrast version