| VELOSTER(FS) >2012 > G 1.6 GDI > Suspension System > Tire Pressure Monitoring System > TPMS Sensor>Description and Operation |

Description
Function
1. | Tire pressure, Temperature, Acceleration, Battery voltage measurement
2. | RF (Radio Frequency) Transmit (Tire pressure, Temperature, Acceleration, Battery voltage,Sensor ID, Sensor Status information.)
A. | RF – 315 MHz
B. | RF Modulation – FSK (Frequency shift keying) way
Operation
Operating mod
OFF mod |
• | Entry – LF command
• | Air pressure sample : 60 sec
• | Temperature sample : 60 sec•
• | Exit – LF command or pressure change of > 19 psi
Stationary mod |
• | Entry – From OFF mod or when no motion detected
• | Air pressure sample : 60 sec
• | Temperature sample : 60 sec
• | Motion sample : 15sec
• | Exit – When detected motion by sensor & verified
AL (Auto learning) mod |
• | Entry – Motion detected
• | Air pressure sample : 10.8 sec
• | Temperature sample : 10.8 sec
• | Motion sample : 10.8 sec
• | Exit – Transmission of 16 blocks
Roll mod |
• | Entry – AL mod expires
• | Air pressure sample : 15 sec
• | Temperature sample : 15 sec
• | Motion sample : 60 sec
• | Exit – no further motion detected
Service mod |
• | Entry – Speed below detection level
• | Air pressure sample : 15 sec
• | Temperature sample : 15 sec
• | Motion sample : 60 sec
• | Exit – Further motion detected
RF test mod |
• | Entry – LF command
• | Air pressure sample : 15 sec
• | Temperature sample : 15 sec
• | Motion sample : 15 sec
• | Exit – Following 8hrs duration
Alter mod |
• | Entry – Detection of pressure change
• | Air pressure sample : 2 sec
• | Temperature sample : 2 sec
• | Exit – Following 2 pressure sample or pressure