DTC B27A5: Open in Front Floor Electrical Key Oscillator Circuit [08/2014 - ]: Description

The certification ECU generates a request signal and transmits the signal to the indoor No. 1 electrical key antenna (front floor). The indoor No. 1 electrical key antenna (front floor) detects that the electrical key is inside the vehicle and transmits the request signal received from the certification ECU. DTC B27A5 is stored by the certification ECU when an open circuit is detected in the circuit between the certification ECU and indoor No. 1 electrical key antenna (front floor) (CLG5 - CLG3, CG5B - CLGB).