Symptom Troubleshooting Chart - Power Door Locks/Keyless Entry Remote Transmitter

WARNING: This page is about a different car, the 2005 Mazda Tribute. However, it is still accessible from the selected car via links, so may be relevant.

SYMPTOM TROUBLESHOOTING CHART - POWER DOOR LOCKS/KEYLESS ENTRY REMOTE TRANSMITTER

Problem	Possible Cause	Action
All door locks are inoperative	Circuitry. Smart junction box (SJB).	See PINPOINT TEST 1: ALL DOOR LOCKS ARE INOPERATIVE .
All door locks are inoperative from one switch	Door lock control switches. Circuitry. Smart junction box (SJB).	See PINPOINT TEST 2: ALL DOOR LOCKS ARE INOPERATIVE FROM ONE SWITCH .
A single door lock is inoperative	Door lock actuators. Circuitry. Smart junction box (SJB).	See PINPOINT TEST 3: A SINGLE DOOR LOCK IS INOPERATIVE .
The door locks operate only one way	Circuitry. Smart junction box (SJB).	See PINPOINT TEST 4: THE DOOR LOCKS OPERATE ONLY ONE WAY .
The doors do not lock/unlock using the remote transmitter	Remote transmitter battery. Remote transmitter. Remote transmitter programming. Aftermarket systems. High power devices. TV/radio transmission towers. Smart junction box (SJB).	See PINPOINT TEST 5: THE DOORS DO NOT LOCK/UNLOCK USING THE KEYLESS ENTRY REMOTE TRANSMITTER .
The remote keyless entry transmitter is out of synchronization	Remote transmitter button pressed a substantial amount of times while outside the range of the vehicle. Remote transmitter.	See PINPOINT TEST 6: REMOTE KEYLESS ENTRY TRANSMITTER OUT OF SYNCHRONIZATION .
Panic feature is inoperative/does not operate correctly	Remote transmitter. Smart junction box (SJB).	See PINPOINT TEST 7: PANIC FEATURE IS INOPERATIVE/DOES NOT OPERATE CORRECTLY .
The remote transmitter has poor range performance	Aftermarket systems. High power devices. TV/radio transmission towers. Remote transmitter. Smart junction box (SJB).	See PINPOINT TEST 8: THE REMOTE TRANSMITTER HAS POOR RANGE PERFORMANCE .
The power door unlock inhibit feature is inoperative	Feature not enabled.	ENABLE the power door unlock inhibit feature.
The power door unlock inhibit feature is inoperative	Smart junction box (SJB).	INSTALL a new SJB. See SMART JUNCTION BOX (SJB) .
The smart lock does not operate correctly	LH front door ajar switch. Smart junction box (SJB).	See PINPOINT TEST 9: THE SMART LOCK DOES NOT OPERATE CORRECTLY .