Civic Sedan L4-1590cc 1.6L SOHC (D16A6) MFI (1990)
Horn Switch: Testing and Inspection
1. Remove the steering wheel, then turn it over.
2. Check for continuity between the hub core and the contact ring, or the hub core and the BLU/RED lead for cars equipped with cruise control,
according to the table.
With Cruise Control
Without Cruise Control
3. If OK, reinstall the steering wheel, then test the combination switch.