Keyless/Power Door Locks/Security System

NOTE: If the door lock system and the keyless operation do not work, troubleshoot the door locks first. The system does not function when press the engine start/stop button to select the ON mode.

Symptom	Check Items	Also check for
The security system sounds randomly while the doors are locked.	Tripped sensor history
All the doors will not lock or unlock with driver's door key cylinder or door lock switch or keyless remote.	Poor ground (G501, G503, G602) Blown No. B41 (20 A) fuse in the under-dash fuse/relay box MICU input test Remote test
Driver's door will not lock or unlock.	Poor ground (G501, G503) Blown No. B15 (10 A) and/or No. B30 (10 A) fuse in the under-dash fuse/relay box Door switch test (check the door switch ON/OFF information with the HDS) Actuator test
Left rear door will not lock or unlock.	Poor ground (G501, G602) Blown No. B9 (15 A) and/or No. B33 (15 A) fuse in the under-dash fuse/relay box MICU input test Door switch test (check the door switch ON/OFF information with the HDS) Actuator test
Front passenger's and right rear doors will not lock or unlock.	Poor ground (G503, G602) Blown No. B8 (15 A) and/or No. B32 (15 A) fuse in the under-dash fuse/relay box MICU input test Door switch test (check the door switch ON/OFF information with the HDS) Actuator test
Passenger doors will not unlock with the remote or key cylinder switch, but will unlock with the inside door unlock switch.	Driver's door lock knob switch test (check for door lock knob switch ON/OFF information with the HDS)
Doors automatically relock 30 seconds after being unlocked with the remote even though a door has been opened.	Symptom troubleshooting Door switch test (check the door switch ON/OFF information with the HDS)
The horn does not sound and/or the headlights do not flash when the PANIC button on the remote is pressed.	Symptom troubleshooting
Security alarm system will not arm.	Symptom troubleshooting
Auto door unlock does not work.	Symptom troubleshooting