HD10 Component Check

^ Using a 12 volt power supply, connect positive lead to air compressor assembly connector Pin 1 and negative lead to air compressor assembly connector Pin 2 for two to three seconds. REPEAT this as required.

^ Is vent solenoid valve activated when voltage is applied?

YES -- REPLACE air suspension control module and REPEAT Service Bay Diagnostics. Reading and Clearing Diagnostic Trouble Codes

NO -- REPLACE air compressor assembly and REPEAT Service Bay Diagnostics. Reading and Clearing Diagnostic Trouble Codes