Symptom Troubleshooting Chart [Keyless Entry System]

WARNING: This page is about a different car, the 2007 Mazda 3. However, it is still accessible from the selected car via links, so may be relevant.

SYMPTOM TROUBLESHOOTING CHART

No.	Troubleshooting item	Description
1	One or more on-board diagnostic functions inoperative	Malfunction in door lock linkage system
2	All on-board diagnostic functions inoperative	Malfunction in PJB power supply circuit, door latch switch circuit, PJB ground circuit, or keyless control module.
3	Transmitter ID code cannot be reprogrammed	Malfunction in transmitter battery, transmitter, PJB circuit, or keyless control module circuit.