On-Board Diagnostic Function

KEYLESS ENTRY SYSTEM ON-BOARD DIAGNOSTIC
There are two functions for the keyless entry system onboard 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
Before performing troubleshooting, conduct the following procedure.

Part 1:

Part 2:

Part 3:

On-board Diagnostic Function 2
Before performing troubleshooting, conduct the following procedure.