Caution / Notice / Hint
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 Access. 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 access system with push-button start (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 access system with push-button start (for Start Function) after confirming that the communication systems are functioning properly.
Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2014 - 10/2015] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2015 - 11/2017] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2017 - 10/2022] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [10/2022 - ]
- Make sure that no DTCs are output. If any DTCs are output, proceed to Diagnostic Trouble Code Chart.
- If the smart access system with push-button start (for Start Function) has been canceled, enable the system before performing troubleshooting.
Refer to CUSTOMIZE PARAMETERS [09/2014 - 10/2022] , or refer to CUSTOMIZE PARAMETERS [10/2022 - ]
- 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 smart access system with push-button start (for Start Function) Precaution.
Refer to PRECAUTION [09/2014 - 11/2017] , or refer to PRECAUTION [11/2017 - 10/2018] , or refer to PRECAUTION [10/2018 - 10/2022] , or refer to PRECAUTION [10/2022 - ]
- After completing repairs, confirm that the problem does not recur.
HINT:
When the cable is disconnected and reconnected to the negative (-) battery terminal, the power source mode returns to the state it was in before the cable was disconnected.