Modern Tire Dealer

MAR 2019

Magazine for the professional tire industry

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T P M S M T D M a r c h 2 0 1 9 62 not equipped with a tire pressure sensor. • A type of film that affects radio waves has been affixed to the windows. • Snow tires or tire chains are used. • e battery of the sensor has been depleted. • Wheels other than manufacturer fac- tory wheels are being used. If wheels other than those specified are used, the system may not function properly because of interruptions in transmissions from the tire pressure sensor. Depending on the tire type, the system may not function properly even though the specified wheels are used. • e compact spare tire is installed. e compact spare does include a tire pressure sensor and transmitter. • If the system was initialized with tire pressures not at the specified values. TPMS WARNING LIGHT NOTE: e tire pressure warning light may turn on due to natural causes such as natural air leaks or tire pressure changes caused by temperature. In this case, adjusting the tire pressure will turn off the warning light. NOTE: If the warning light turned on due to very low outside temperatures that caused decreases in tire pressure (such as in the winter), adjust the pressure to a higher pressure suitable to cold conditions. Tire pressure decreases by about 1.45 psi (10 kPa) for every 18 degrees Fahrenheit (10 degrees Celsius) drop in ambient temperature. NOTE: e compact spare tire is not equipped with the tire pressure warning valve and transmitter. If a tire goes flat, the warning light will not turn off when the flat tire is replaced with the spare. When the standard tire is repaired, inflated to the specified level and returned to the vehicle, the warning light will go out. When the tire pressure warning light does not go off, or when it comes on during driving, check tire pressure and adjust as necessary. e warning light should turn off within a few minutes. If the warning light is still on even though the tire pressure is cor- rectly adjusted, the tire could be punctured. Repair as necessary. If the warning light turns on within several hours aer adjusting the tire pressure, the tire may have a slow air leak. Repair as necessary. If the warning light is on or blinks aer all above situations have been investigated, there is a malfunction in the TPMS. See service information. TPMS RESET PROCEDURES NOTE: e system will need to be initialized when tires are replaced with tires of different pressures; tire pressure sensor and/or tire pressure monitor ECU are replaced. See "Initializing tire pressure monitoring system." When a tire pressure sensor and/or tire pressure monitor ECU is replaced, the sensor ID must be memorized (registered) by the tire pressure monitor ECU prior to system initialization. See "Tire pressure sensor registration." When the tire pressure warning light does not go off, or when it comes on during driving, check tire pressure and adjust as necessary. e warning light should turn off within a few minutes. NOTE: If the negative battery terminal is disconnected, initialize the following power systems aer the terminal is reconnected: window control system, back door system, sliding door system and the moon roof. Refer to the owner's manual or appropriate manufacturer service information. INITIALIZING THE TPMS CAUTION: Set tire pressure within the specified range before initializing. Do not bartecusa.com [ 8 5 5 ] 8 7 7 - 9 7 3 2 Own the Wheel Well Industry's Best [866]407-TPMS Bartec Technical Support W i - F i U p d a t i n g O n l y o n t h e T e c h 4 0 0 P r o ! TECH PRO Superior OBD coverage Better DTC detection Wireless updating Placard changing TIA Inside ® Simply plug in and decode the VIN for f more accurate TPMS Diagnostics and Service! aster, Figure 2: Identifying the data link con- nector (DLC3) terminals. Figure 3: Locating the tire pressure sen- sor transmitter identification.

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