Operation CHARM: Car repair manuals for everyone.

Component Tests and General Diagnostics

INSPECTION




1. INSPECT HORN SWITCH
a. Check that no continuity exists between the horn contact plate and body ground.
b. Check that continuity exists between the horn contact plate and body ground when the horn contact plate is pressed against the steering spoke assembly.
If continuity is not as specified, repair or replace the steering wheel or wire harness as necessary.




2. INSPECT HORN OPERATION
Connect the positive (+) lead from the battery to the terminal and negative (-) lead to the horn body and check that the horn blows.
If operation is not as specified, replace the horn.