FORD 2009 F-150 v.1 - Manual (Page 239)

6. Cycle the ignition from off to on three (3) times ending in on—DO
NOT start the engine.
If the reset mode has been entered successfully, the horn will sound
once, the TPMS indicator
will flash and the message center will
display TRAIN LEFT FRONT TIRE.
If after repeated attempts to enter the reset mode, the horn does not
sound, the TPMS indicator
does not flash and the message center
does not display TRAIN LEFT FRONT TIRE, seek service from your
authorized dealer.
7. Train the TPMS sensors in the tires using the following TPMS reset
sequence starting with the left front tire in the following clockwise order:
1. Left front tire (Front driver’s side)
2. Right front tire (Front passenger’s side)
3. Right rear tire (Rear passenger’s side)
4. Left rear tire (Rear driver’s side)
8. Left front tire: Place the TPMS reset tool against the left front tire
where the tire meets the rim, right near the valve stem (1) as shown.
This is where the sensor is located inside the rim.
The tool needs to be held against the tire sidewall right near the
valve stem as illustrated with the arrow on the tool pointing
towards the rim; do not use the tool with the arrow pointing away
from the rim as it may not activate the sensor.
2009 F-150 (f12)
Owners Guide, 1st Printing
USA (fus)
Tires, Wheels and Loading
239