Rear Window Defogger Relay Inspection

WARNING: This page is about a different car, the 2004 Suzuki XL-7 and 2004 Suzuki Grand Vitara. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect negative (-) cable from battery.
Remove rear window defogger relay (1) from fuse / relay box (2).

Fig 1: Removing Rear Window Defogger Relay
Courtesy of SUZUKI OF AMERICA CORP.
Check that there is no continuity between terminal "c" and "d". If there is continuity, replace relay.
Connect that there is continuity between terminals "c" and "d" when a 12 V battery is connected to terminals "a" and "b".
If malfunction is found, replace it with a new one.

Fig 2: Checking Rear Window Defogger Relay

Courtesy of SUZUKI OF AMERICA CORP.