JB26 Checking Wiring Harness (Circuit 24)

^ Turn air suspension switch to OFF position. Disconnect air suspension control module from wiring harness connector.

^ Shut all vehicle doors.

^ Using an analog voltmeter, connect positive lead to air suspension control module Pin 4 (Circuit 24) and the negative lead to battery ground.

^ Is voltage reading greater than 1.0 volt?

YES -- Door OPEN/CLOSE circuit is shorted to a voltage source. REPEAT Door Functional Test after service is made to verity problem has been corrected.

NO -- REPLACE air suspension control module and REPEAT Service Bay Diagnostics. Reading and Clearing Diagnostic Trouble Codes