Horn Relay Inspection

Remove the horn relay (A) from the engine room relay box.
There should be continuity between the No. 30 and No. 87 terminals when power and ground are connected to the No. 85 and No. 86 terminals.
There should be no continuity between the No. 30 and No. 87 terminals when power is disconnected.

Fig 1: Inspecting Horn Relay

Courtesy of HYUNDAI MOTOR AMERICA

Fig 2: Horn Relay Connector Terminals Continuity Chart

Courtesy of HYUNDAI MOTOR AMERICA