Friday, October 5, 2012

CARS: Working of tire pressure monitoring system

How Exactly the Tire Pressure Monitoring System ( TPMS) Works on Ford Vehicles.

TPMS Working on Ford Vehicles.

The Basic Details Are As Follows:-----

The tire pressure monitoring system (TPMS)  is to monitors the air pressure of all 4 tires.
This System is mostly seen in latest model newly manufactured vehicles.
This complete system works and gets operated by frequency signals.
The wheel-mounted tire pressure sensors transmit the radio frequency signals.This signals go to the smart junction box, also known as SJB. TPMS functionality is integral to the SJB.
These transmissions signal report are sent approximately every 60 seconds when the vehicle speed exceeds 32 km/h (20 mph).
The purpose of he TPMS is to compare each tire pressure sensor transmission against a low-pressure limit. If it has been determined that the tire pressure has fallen below this limit, the SJB comes in action and starts its role of communicating this detail to the vehicle communication bus and that passes to the instrument cluster. The instrument cluster then illuminates the TPMS indicator and displays the appropriate message(s) in the message center (if equipped).

NOTE:---- For vehicles with different front and rear tire pressures (such as the Ford E-Series and certain Ford F-Series), the tire pressure sensors must be trained following a tire rotation. Failure to train the sensors will cause the TPMS indicator to illuminate.

For vehicles with the same tire pressures for front and rear tires, tire rotation will not affect the system.It functions as mentioned in the procedure above.

These details will help.

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