Possible Causes

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.

LH front door ajar switch
SJB

PINPOINT TEST 9: SMART LOCK DOES NOT OPERATE CORRECTLY

PINPOINT TEST 9		THE SMART LOCK DOES NOT OPERATE CORRECTLY
STEP	INSPECTION		ACTION
1	VERIFY THE SMART UNLOCK FEATURE IS ENABLED Verify the smart unlock feature is enabled. Is the smart unlock feature enabled?	Yes	Go to next step.
1		No	Turn the feature ON with any configuration method.
2	CHECK THE COURTESY LAMP OPERATION Open and close the driver door. Do the courtesy lamps operate correctly?	Yes	Go to next step.
2		No	To diagnose the inoperative courtesy lamps, See PINPOINT TEST 1: THE INTERIOR LAMPS ARE INOPERATIVE .
3	CHECK THE INSTRUMENT CLUSTER PID Enter the following diagnostic mode on the WDS or equivalent Tester: Monitor the Instrument Cluster Ignition Switch Status PID. Are the correct values received?	Yes	Go to next step.
3		No	To diagnose for an incorrect ignition switch status PID, See COMMUNICATIONS NETWORK .
4	CHECK FOR CORRECT SJB OPERATION Disconnect all SJB connectors. Check for: corrosion pushed-out pins Connect all SJB connectors and make sure they seat correctly. Operate the system and verify the concern is still present. Is the concern still present?	Yes	INSTALL a new SJB. See SMART JUNCTION BOX (SJB) . CLEAR the DTCs. REPEAT the self-test.
4		No	TEST the system for normal operation. The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. CLEAR the DTCs. REPEAT self-test. TEST the system for normal operation.