Inspection Procedure
NOTE:
- The smart key system (for Entry Function) uses a multiplex communication system (LIN communication system) and the CAN communication system. Inspect the communication function by following How to Proceed with Troubleshooting. Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2014 - ] . Troubleshoot the smart key system (for Entry Function) after confirming that the communication systems are functioning properly.
- When using the Techstream with the power switch off to troubleshoot:
Connect the Techstream to the DLC3 and turn a courtesy light switch on and off at 1.5-second intervals until communication between the Techstream and vehicle begins.
- Check that there are no electrical key transmitter sub-assemblies in the vehicle.
- Before performing the inspection, check that DTC B1242 (wireless door lock control) is not output. Refer to DTC CHECK / CLEAR [11/2014 - ] .
- Before replacing the certification ECU (smart key ECU assembly), refer to the smart key system (for Entry Function). Refer to PRECAUTION [11/2014 - ] .
- After repair, confirm DTC not reoccur with performing the "DTC Output Confirmation Operation".