Medical Definition of adhesive. 1: an adhesive substance; especially : a substance (as glue, starch, paste, or mucilage) that bonds two materials together by adhering to the surface of each.
The sensors physically measure the tire pressure in each tire and report it to the vehicle's instrument cluster or a corresponding monitor. Some units also measure and alert temperatures of the tire as well. These systems can identify under-inflation in any combination, be it one tire or all, simultaneously.
Bartec USA have a range of TPMS Test Antennas and Tools designed for different stages of the wheel and tire assembly line. TPMS or a Tire Pressure Monitoring System is fitted to Toyota cars to provide a warning of low pressure on any one of four or five tires on the vehicle (five if TPMS fitted in spare). A TPMS from one of two manufacturers is fitted as part of the valve assembly in all Toyota cars according to the table shown below.