NASCAR TPMS User Manual Date 21/11/2006 Modifications Document Creation V1_00 Author ZS NASCAR TPMS - User Manual V1.
Statement of compliance to FCC regulations Section 15.19: Labelling requirements This device complies with Part15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) This device must accept any interference received, including interference that may cause undesired operation. Section 15.
Contents 1 SYSTEM AND FUNCTIONAL DESCRIPTION ................................................................................................. 4 1.1 1.2 SYSTEM DESCRIPTION ................................................................................................................................................. 4 FUNCTIONAL DESCRIPTION.......................................................................................................................................... 5 2 WARNING ALGORITHM.....
1 System and functional description 1.1 System description The NASCAR Tire Pressure Monitoring System (TPMS) monitors vehicle tire pressures and temperatures.
1.2 Functional description The wheel electronics are mounted on the wheel and measure tire pressure, temperature and wheel electronic status. The measured data is sent from the wheel via a transmit stage in the wheel electronics. A system with relatively seldom-measured data transfer is adequate for tire pressure monitoring provided it features the additional option of detecting sudden pressure loss.
CAN Bus TPMS LIN Bus For Driver Information System CAN Interface TPMS LIN Interface Function Software RS232 Diagnostics RS232 Data MDE Unit TPMS LIN Interface TPMS LIN Interface HF Receiver HF Receiver Function Software Function Software HE Digital Antenna 1 HE Digital Antenna 2 Trigger 1 WE 1 Trigger 2 WE 2 Trigger 3 WE 3 Trigger 4 WE 4 Figure 1: Block diagram, NASCAR TPMS system 2 Warning algorithm The system monitors a nominal pressure, which is set automatically when the tire sp
