FA10 Checking Wiring Harness (Circuit 425)

^ Turn air suspension switch to OFF position.

^ Disconnect air suspension control module connector.

^ Using analog ohmmeter, connect one lead to air suspension control module wiring harness connector Pin 10 (Circuit 425) and other to Circuit 425 of the right front height sensor vehicle wiring harness connector.

^ Is ohmmeter reading less than 5 ohms?

YES -- Turn air suspension switch to OFF position. REPLACE suspension control module. RECONNECT right front height sensor. REPEAT Service Bay Diagnostics. Reading and Clearing Diagnostic Trouble Codes

NO -- Right front height sensor channel "B" Circuit 425 resistance is above acceptable limits. RECONNECT right front height sensor and REPEAT Service Bay Diagnostics after service is made.