Horn Switch: Testing and Inspection

WARNING: ON VEHICLES EQUIPPED WITH AIR-BAGS, REFER TO ELECTRICAL, RESTRAINTS BEFORE ATTEMPTING ANY STEERING WHEEL, STEERING COLUMN, OR INSTRUMENT PANEL COMPONENT DIAGNOSIS OR SERVICE. FAILURE TO TAKE THE PROPER PRECAUTIONS COULD RESULT IN ACCIDENTAL AIRBAG DEPLOYMENT AND POSSIBLE PERSONAL INJURY.

1. Remove horn relay from the Power Distribution Center.
2. Using ohmmeter, connect one lead to ground and the other lead to cavity 41 of the power distribution center. Refer to Wiring Diagrams.
3. Depress horn switch, should have continuity. If no continuity go to Step 4.
4. Test continuity at horn switch, remove the Driver Airbag.
5. Using ohmmeter, connect one lead to the air-bag module ground and the other lead to B+ wire.
6. Depress horn switch, and the meter should show continuity. If no continuity, replace the Driver Airbag. If OK, repair as necessary.