Initial Inspection and Diagnostic Overview

System Check Table:

^ Use System Check Table as a guide to normal operation.
^ If all results are not correct, do Rear Defogger Voltage Test B when equipped with Manual A/C. Test B: Rear Defogger Voltage Test
^ If all results are not correct, do Rear Defogger Relay Test D when equipped with Dual A/C. Test D Rear Defogger Relay Test