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Home >> Lexus >> 2016 >> LS 460 Base, RWD >> Repair and Diagnosis >> General Information >> Reset Procedures >> Tire Pressure Monitor Systems >> TPMS Reset Procedures >> Tire Pressure Sensor Registration >> Transmitter Initialization
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Transmitter Initialization

NOTE:
  • Initialization can be confirmed through the tire pressure warning light.
  • The order in which the data is received is random.
  • If the signals from all the tire pressure warning valve and transmitters are received, initialization is completed.
  • Initialization is completed when the Data List "ID Tire Inflation Pressure" display shows the correct pressures.
  • It may take a few minutes until the values are displayed. If the values are not displayed after a few minutes, perform troubleshooting according to the inspection procedure for DTCs C2121/21 to C2124/24.
  • If initialization has not been completed successfully, DTC C2177/77 is stored after a vehicle speed of 23 mph (37 km/h) or more is detected for 20 minutes or more.
  • During test mode (sensor check mode), the system will not change to initialization mode even if the tire pressure warning reset switch is pushed.
  • Initialization can be terminated by connecting terminals 13 (TC) and 4 (CG) of the DLC3. See Fig 1.
Fig 1: Identifying Data Link Connector Terminals
G00458801Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  1. Set the tire pressure to the specified value.
  2. Turn the engine switch on (IG).
  3. Press and hold the tire pressure warning reset switch for 3 seconds or more until the tire pressure warning light blinks 3 times. See Fig 2.
    NOTE: For LS500: Use the steering pad switch assembly (Fig 3) select "Change tire pressure" on the multi-information display and press and hold the "ENTER" switch (steering pad switch assembly) until the tire pressure warming light blinks 3 times
  4. Turn the engine switch off.
  5. Connect the Techstream to the DLC3.
  6. Turn the engine switch on (IG) and turn the Techstream on.
  7. Enter the following menus: Chassis / Tire Pressure Monitor / Data List.
  8. Check that initialization has been completed.
  9. Confirm that the tire pressure data of all tires is displayed on the Techstream screen.
Fig 2: Identifying TPMS Reset Switch (Typical)
G00525232Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 3: Identifying Steering Pad Switch Assembly (LS500H)
G00561435Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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