Component Tests and General Diagnostics
INSPECTION1. INSPECT FUSE (HORN)
a. Check the resistance of the HORN fuse.
Standard: Below 1 ohm
If the result is not as specified, replace the fuse.
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 LOW PITCHED HORN ASSY
a. Check operation of the horn.
If the result is not as specified, replace the horn assy.
If all the check results are as specified above and the wire harness is normal, replace the horn button switch (steering wheel pad).