2012 Lexus LFAFACTORY OEM SERVICE PROCEDURE

Registration Of Transmitter ID

NOTE: If completion of steps  4- 6 is not accomplished within 5 minutes, the mode will return to normal operating mode.
    NOTE: It is necessary to register the transmitter ID in the tire pressure warning ECU when replacing the tire pressure warning valve and transmitter and/or tire pressure warning ECU.
  1. Set the tire pressure of all wheels to the specified value.
  2. Connect the intelligent tester to DLC3.
  3. Turn the ignition switch to the ON position.
  4. Read and write down the ID by using the DATA LIST.
  5. Select the registration mode "MAIN".
    6. NOTE: Select the registration mode "MAIN".
  6. Input the ID using the intelligent tester and transmit it to the tire pressure warning ECU.
  7. Set the ID transmission condition to "COMPLETE".
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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