Component Tests and General Diagnostics
INSPECTION1. INSPECT LOW PITCHED HORN ASSY
a. Connect the positive (+) lead from the battery to the terminal and the negative (-) lead to the horn body, and check that the horn blows.
If the result is not as specified, replace the horn.
2. INSPECT HORN RELAY ASSY (Marking: HORN)
a. Remove the horn relay from the engine room R/B and J/B.
b. Inspect the horn relay continuity.
If the result is not as specified, replace the relay.