Engine Block Heater (If Equipped) Inspection

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 Terminals

  Courtesy of SUZUKI OF AMERICA CORP.