Caution / Notice / Hint
WARNING: This page is about a different car, the 2022 Toyota Sequoia, 2021 Toyota Sequoia, and 2020 Toyota Sequoia. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
- When using the Techstream with the engine switch off, connect the Techstream to the DLC3 and turn a courtesy light switch on and off at intervals of 1.5 seconds or less until communication between the Techstream and the vehicle begins. Then select the vehicle type under manual mode and enter the following menus: Body Electrical / Smart Key. While using the Techstream, periodically turn a courtesy light switch on and off at intervals of 1.5 seconds or less to maintain communication between the Techstream and the vehicle.
- The smart key system (for Start Function) uses the LIN communication system and CAN communication system. Inspect the communication function by following How to Proceed with Troubleshooting. Troubleshoot the smart key system (for Start Function) after confirming that the communication systems are functioning properly.
- Before replacing the electrical key transmitter sub-assembly, certification ECU (smart key ECU assembly) or steering lock ECU (upper steering column with switch bracket assembly), refer to the Registration.
Refer to REGISTRATION [08/2019 - ]
- If registration of an electrical key transmitter sub-assembly cannot be performed, refer to the Registration.
Refer to REGISTRATION [08/2019 - ]
- New registration mode can be entered only when no electrical key transmitter sub-assemblies are stored in the certification ECU (smart key ECU assembly).
- Inspect the fuses for circuits related to this system before performing the following procedure.
- After repair, confirm that no DTCs are output by performing "DTC Output Confirmation Operation".