Component Tests and General Diagnostics
INSPECTION1. INSPECT LOW PITCHED HORN ASSY
a. Check operation of the horn.
If the result is not as specified, replace the horn assy.
2. INSPECT HIGH PITCHED HORN ASSY
a. Check operation of the horn.
If the result is not as specified, replace the horn assy.
3. INSPECT HORN RELAY ASSY
a. Remove the horn relay from the engine room R/B No.2.
b. Inspect the horn relay resistance.
If the result is not as specified, replace the relay assy.