TPMS vocabulary

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Programmable sensor

A blank TPM sensor supplied by aftermarket companies

Scan tool

A diagnostic tool that communicates with vehicle's ECU through OBDII

Reflash

A method to recalibrate software for indirect TPM systems

Sensor ID

A number assigned to each direct valve TPM sensor

Clamp in sensors

A type of sensor that is installed by torquing a hex nut on the metal valve stem

Banded sensor

A type of sensor used by Ford with a cradle and strap around the wheel. Discontinued in 2009/10.

Reset

Another term for relearn, but used regarding tire pressure

Relearn

Communication of the TPM sensor data, components and receivers to the ECU (stationary, auto, OBDII)

Placard

Decal on inside of vehicle's driver door, shows tire pressure information

Cold pressure

When a vehicle is parked and tire pressure can be checked with tool or gauge

Direct system

Most common design used by majority OE's

Original equipment (OE) sensors

Pre-programmed with single software protocol for the individual TPMS

Sleep mode

Sensor battery life is conserved during periods of time vehicles are not being used

Battery life

Sensors have an internal lithium ion battery which cannot be replaced. Typical life is 70-80 miles

Diagnostic trouble code DTC

Similar to check engine light but codes are specific to TPMS

Data link connection (DLC)

The access port required on all vehicles (also called OBDII)

Ambient

The outside temp. of air

Sensor programming

The process of copying an existing protocol from a working or loading the OE protocol from a TPMS tool

Radio frequency (RF)

The radio wave specified by the FCC for car manufacturers TPMS in North America (315 or 433 MHZ)


Ensembles d'études connexes

Intermediate Accounting 1- D103: Units 2-4 Pre-Assessment

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