CEM-8F22

Condition
If windscreen wiper is in its operating position (position on windscreen) but wiper switch is not in an activated position (that is, one of the positions for full/half-speed, intermittent or single sweep wipe), diagnostic trouble code CEM 8F22 is displayed.

Condition
Only low wiper speed works.

Possible source
- Short circuit to ground on switch which indicates operation/rest position
- Defective windscreen wiper lever
- Defective fuse 11C/22.

Condition
- Wiper only works on lowest speed.