IA9 Wiring Harness Check (Air Compressor Relay)

^ Remove air compressor relay from its vehicle wiring harness connector.

^ Did air compressor stop running and remain off?

YES -- INSTALL a new air compressor relay and then REPEAT Service Bay Diagnostics. Reading and Clearing Diagnostic Trouble Codes

NO -- SERVICE short to B+ in Circuit 417. REPEAT Service Bay Diagnostics after service is made and the air compressor relay has been installed again.