Expedition 4WD V8-281 4.6L SOHC (1998)
Message Center
1. The Message Center Self-Test can be entered by pressing the E/M and MODE buttons simultaneously while starting the vehicle. After entering the
Message Center Self-Test release the E/M and MODE buttons. Advancing to a desired test is accomplished by pressing the MODE button. To
abort the Message Center Self-Test, turn the ignition switch to the OFF position.
NOTE: Vehicle doors must be closed and the engine must be running while in the Message Center Self-Test mode to receive accurate data.
