JA3 Wiring Harness Check (Circuit 563)

^ Turn ignition switch to OFF position.

^ Turn air suspension switch to OFF position and disconnect air suspension control module vehicle wiring harness connector Pin 6 (Circuit 563) and the other to Pin 40 (Circuit 430G)

^ Using an analog ohmmeter, connect one lead to air suspension control module vehicle wiring harness connector Pin 6 (Circuit 563) and the other to Pin 40 (Circuit 430G)

^ Is ohmmeter reading less than 5 ohms?

YES -- GO to JA4.

NO -- SERVICE open in ground Circuit 563 of VSS. REPEAT Drive Cycle Diagnostics.

NOTE: Before proceeding, Code 55 must be cleared. To clear memory, turn air suspension switch in luggage compartment to OFF for at least 5 seconds. Turn air suspension switch ON and drive vehicle above 15 mph for at least 4 minutes.