NOTICE:

• When using the GTS with the ignition switch off, connect the GTS to the DLC3 and turn a courtesy light switch on and off at intervals of 1.5 seconds or less until communication between the GTS and the vehicle begins.

  Then select Model Code "KEY REGIST" under manual mode and enter the following menus: Body Electrical / Start Key(CAN). While using the GTS, periodically turn a courtesy light switch on and off at intervals of 1.5 seconds or less to maintain communication between the GTS 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.

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• Make sure that no DTCs are output. If any DTCs are output, proceed to Diagnostic Trouble Code Chart.
• If the smart key system (for Start Function) has been disabled, enable the system before performing troubleshooting.

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• Inspect the fuses for circuits related to this system before performing the following procedure.
• Before replacing the certification ECU (smart key ECU assembly), refer to Registration.

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• After completing repairs, confirm that the problem does not recur.
• After performing repairs, confirm that no DTCs are output by performing "DTC Output Confirmation Operation."