FA8 Checking Wiring Harness (Circuit 424)

^ Turn air suspension switch to OFF position.

^ Disconnect air suspension control module connector.

^ Using an analog ohmmeter, connect one lead to air suspension control module wiring harness connector Pin 9 (Circuit 424) and other to Circuit 424 of right front height sensor vehicle wiring harness connector.

^ Is ohmmeter reading less than 5 ohms?

YES -- Turn air suspension switch to OFF position. REPLACE air suspension control module. RECONNECT right front height sensor. REPEAT Service Bay Diagnostics after service is made.

NO -- Right front height sensor channel A circuit 424 resistance is above acceptable limits. RECONNECT right front height sensor and REPEAT Service Bay Diagnostics after service is made.