1. Remove the steering column cover (see ch. Steering).
2. Disconnect the 14-pin switch connector.
3. Unscrew 2 screws, slide the switch sideways and remove it.
4. Check the continuity between the various contacts in each switch position and verify that there is continuity only between the contacts connected by lines in the tables.
5. If the conductivities differ from those specified, replace the switch.
Windshield wiper/washer switch
Rear window wiper/washer switch