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HOMESERVICE MANUALSCHEVROLET2006COBALT SS, 4D SEDAN, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 763 (TIRE PRESSURE MONITORING SYSTEM)SYSTEM DESCRIPTIONCONTROL UNITTIRE PRESSURE SENSOR
2006 Chevrolet Cobalt SS, 4D Sedan, Standard

Tire pressure sensor

2006 Chevrolet Cobalt SS, 4D Sedan, StandardSECTION Tire pressure sensor
WARNING: This page is about a different car, the 2011 Honda Insight and 2010 Honda Insight. However, it is still accessible from the selected car via links, so may be relevant.

Each sensor is an integrated unit made up of the tire valve stem, a pressure sensor, and a transmitter, The unit is attached to the inside of the wheel, around the valve stem. The sensor transmits the internal tire information to the control unit once every 60 seconds when the vehicle speed exceeds 28 mph (45 km/h). When the TPMS control unit receives a tire pressure signal that is less than 175 kPa (1.8 kgf/cm2 , 25 psi), the TPMS control unit then turns on the low tire pressure indicator. When that tire's pressure is increased to more than 200 kPa (2.0 kgf/cm2 , 29 psi), and the vehicle is driven above 28 mph (45 km/h) the transmitter sends the tire pressure signal to the control unit, and then the control unit turns the indicator off.

NOTE: Do not mix the TPMS tire pressure sensors or wheels with other TPMS types. Be sure to use the correct type sensors and wheels for this system. Sensors are active:
  • When the wheel rotates over 28 mph (45 km/h) the sensor detects the momentum, and switches the sensor to the normal function mode.
  • The LF (low frequency) signal of the TPMS tool makes the sensor active even though the vehicle is stopped. The tire pressure sensor goes into sleep mode when the acceleration sensor detects the wheel is stationary for 5 minutes or more.
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