Tacoma PreRunner Dbl Cab 2WD V6-3.4L (5VZ-FE) (2001)
Horn Switch: Testing and Inspection
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.