Aerio AWD L4-2.0L (2003)
Engine Block Heater: Testing and Inspection
Cylinder Block Heater Inspection
Cylinder Block Heater (If Equipped) Inspection
1) Check continuity between terminal "a" and "c" by using ohmmeter.
If there is no continuity, replace cylinder block heater.
2) Check that there is no continuity between terminal "a" and "b" or "c" and "b". If there is continuity, replace cylinder block heater.
3) Check no continuity between "c" and block heater body.
If there is continuity, replace cylinder block heater.