Operation CHARM: Car repair manuals for everyone.

Reset Procedure



Operation

1. General Function
A. Auto learn takes place only once per Ignition cycle.
B. On successful completion.
C. Until Auto-learn completes, previously learned sensors (together with their respective locations) are monitored for under inflation / leak warnings.
D. Spare tire inflation / DTC state is not displayed.
2. General Conditions to Learn New Sensors:
A. Auto learning only functions when speed is more than 20 kph (approx. 15 mph).
B. Receiver must determine that it is confident that sensor is not temporary:
1) Uses vehicle speed.
2) Uses confidence reduction of previously learned sensors.
C. Typical time at driving over 20 kph to learn a new sensor is up to 10 minutes.
3. General Conditions to Un-Learn a sensor that is removed:
A. It takes less than 10 minutes at 20 - 30kph.
B. Confidence reduction is dependant on vehicle speed and the number of sensors known to the receiver.