Tail Light Relay, Headlight Relay Inspection

WARNING: This page is about a different car, the 2008 Suzuki Grand Vitara and 2007 Suzuki Grand Vitara. However, it is still accessible from the selected car via links, so may be relevant.

Remove tail light relay (1), headlight low beam relay (2) and/or headlight high beam relay (3).

Fig 1: Identifying Tail 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 and 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 Continuity Between Terminal "3" & "4"
Courtesy of SUZUKI OF AMERICA CORP.