HC10 Component Check (Solenoid Valve Check)

^ Using a 12 volt power supply, connect positive lead to air compressor assembly connector Pin 1 and the negative lead to air compressor assembly connector Pin 2 for 2 to 3 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