Symptom Troubleshooting Table [Keyless Entry System]

WARNING: This page is about a different car, the 2007 Mazda MX-5 Miata. However, it is still accessible from the selected car via links, so may be relevant.

SYMPTOM TROUBLESHOOTING TABLE

No.	Troubleshooting item	Description
1	One or more on-board diagnostic functions inoperative	Malfunction in trunk lid opener system, horn system, hazard warning light system, or door lock linkage system
2	All on-board diagnostic functions inoperative	Malfunction in keyless control module power supply circuit, door switch circuit, keyless control module ground circuit
3	Transmitter ID code cannot be reprogrammed	Malfunction in transmitter battery, transmitter, keyless receiver bracket, keyless receiver bracket ground screw, or keyless control module circuit.