Tail Light Relay, Headlight Relay, Front Fog Light Relay Inspection

Remove tail light relay (1), headlight relay and/or front fog light relay (4).

Fig 1: Inspecting Tail Light Relay, Headlight Relay, Front Fog Light Relay
Courtesy of SUZUKI OF AMERICA CORP.
Check that there is no continuity between terminal "3" and "4". If there is continuity, replace relay.
Connect battery positive (+) terminal to terminal "2" of relay.
Connect battery negative (-) terminal to terminal "1" of relay.
Check continuity between terminal "3" and "4". If there is no continuity when relay is connected to the battery, replace relay.

Fig 2: Checking Tail Light Relay, Headlight Relay, Front Fog Light Relay Continuity
Courtesy of SUZUKI OF AMERICA CORP.