On-Board Diagnostic Function
KEYLESS ENTRY SYSTEM ON-BOARD DIAGNOSTICThere are two functions for the keyless entry system on-board diagnostic (OBD). OBD function 1 tells the keyless control module and CPU to activate the power door lock and trunk lid opener systems without the transmitter. OBD function 2 monitors a keyless entry demand signal sent from the transmitter and used inside the keyless control module. OBD function 2 diagnoses the transmitter, integrated antenna and the keyless control module.
On-board Diagnostic Function 1
On-board Diagnostic Function 2