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A tire-pressure monitoring system (TPMS) monitors the air pressure inside the pneumatic tires on vehicles. [1] A TPMS reports real-time tire-pressure information to the driver, using either a gauge, a pictogram display, or a simple low-pressure warning light. TPMS can be divided into two different types – direct (dTPMS) and indirect (iTPMS).
A typical direct TPMS (e.g. Ford, [4] BMW [5] or Toyota [6]) comprises the following components on a vehicle: A direct TPM sensor fitted to the back of the valve stem on each wheel; A TPM Warning Light; Unique identifier (IDs) for which tire is providing the data including speed and the direction of rotation; A tire pressure monitor electronic ...
The system sends real-time information about your tire pressure to the car's dashboard. ... The Consumer Reports website notes that tire pressure will drop 1 psi for every 10 degree drop in air ...
Reducing tire pressure also reduces the extent to which the tires grind against loose surfaces, significantly reducing dust and silt. Another function of CTIS is to maintain tire pressure if there is a slow leak or puncture. In this case, the system controls inflation automatically based on the selected pressure the driver has set. [1]
TPMS low pressure warning icon; Tire pressure monitoring determine when the tire pressure is outside the normal inflation pressure range. [26] The driver can monitor the tire pressure and is notified when there is a sudden drop through a pictogram display, gauge, or low-pressure warning signal. [26] Vibrating seat warnings alert the driver of ...
A group of tell-tales showing lights for "brake fluid", "stop lamp" and "check engine" Graphical tell-talesA tell-tale, sometimes called an idiot light [1] or warning light, is an indicator of malfunction or operation of a system, indicated by a binary (on/off) illuminated light, symbol or text legend.
The General Motors ignition switch recalls refers to February 6, 2014 when General Motors recalled about 800,000 of its small cars due to faulty ignition switches, which could shut off the engine while the vehicle was in motion and thereby prevent the airbags from inflating. [1]
OBD-II PIDs (On-board diagnostics Parameter IDs) are codes used to request data from a vehicle, used as a diagnostic tool.. SAE standard J1979 defines many OBD-II PIDs. All on-road vehicles and trucks sold in North America are required to support a subset of these codes, primarily for state mandated emissions inspections.