Engine Block Heater (If Equipped) Inspection

WARNING: This page is about a different car, the 2008 Suzuki Grand Vitara, 2007 Suzuki Grand Vitara, and 2006 Suzuki Grand Vitara. However, it is still accessible from the selected car via links, so may be relevant.

Reference: ENGINE BLOCK HEATER (IF EQUIPPED) REMOVAL AND INSTALLATION

Check continuity between terminal "a" and "c". If there is no continuity, replace it.
Check that there is no continuity between terminal "a" or "b" and "c". If there is continuity, replace it.
Check continuity between terminal "c" and engine block heater body. If there is no continuity, replace it.

Fig 1: Identifying Engine Block Heater Terminal
Courtesy of SUZUKI OF AMERICA CORP.