Power Door Locks/Keyless

Check for B-CAN DTCs. If any B-CAN DTCs are indicated, troubleshoot and resolve them first.
If the door lock system and the keyless operation do not work, troubleshoot the door locks first.

NOTE: The system does not function when the ignition switch is ON (II).

SYMPTOM TROUBLESHOOTING INDEX REFERENCE

Symptom

Check Items

Also check for

All the doors will not lock or unlock.⁽¹⁾

Check for poor ground (G501, G502, G505, G601, G651)
Check for Blown fuse No. 7 (10) or No. 8 (20A) in the under-hood fuse/relay box.
Check for
Door Lock Switch Test . Check the door switch ON/OFF information with the HDS)
Door Key Cylinder Switch Test Check the door switch ON/OFF information with HDS).
Driver's door key cylinder switch test. See Door Key Cylinder Switch Test .
Door lock actuator test, see Door Lock Actuator Test
Driver's MICU input test, see Control Unit Input Test .
Passenger's MICU input test, see Control Unit Input Test .
Front passenger's door lock knob switch circuit troubleshooting
Left rear door lock knob switch circuit troubleshooting
Right rear door lock knob switch circuit troubleshooting
Remote Test
Check UART line for open wire, short to ground or short to power.
Check for UART line between power window master switch 37P connector terminal No. 27 and front passenger's power window switch 37P connector terminal No. 29.

Doors will not lock with the driver's door key cylinder, door lock switch or the remote.

Doors will not unlock with the driver's door key cylinder, door lock switch or the remote.

Keyless operation does not work (LOCK, UNLOCK, PANIC).

Customized settings in the ODO/trip display; see Owner's Manual for details.

Doors will not unlock with the transmitter, but will unlock with the door lock switch and the door key cylinder switch.

Symptom troubleshooting. See Keyless operation does not work (LOCK, UNLOCK, PANIC) .
Door lock switch test (check the door switch ON/OFF information with the HDS)

Doors automatically relock 30 seconds after being unlocked with the transmitter even though a door has been opened.

SYMPTOM TROUBLESHOOTING .
See Door Lock Switch Test , check the door switch ON/OFF information with the HDS.

Only driver's door will unlock or door locks relock immediately after unlocking with the remote.

Driver's door lock knob switch test. See DOOR LOCK KNOB SWITCH TEST .

Doors will not Lock or Unlock with the remote, but will Lock/Unlock with door lock switch or door key cylinder switch.

The horn does not sound when PANIC button on the transmitter pressed.

Customized settings in the ODO/trip display; see Owner's Manual for details.

Trunk will not release.

XX
Keyless operation will work even though the ignition key is in the ignition switch.

⁽¹⁾	If only one door is not working properly, check that door's lock actuator first, then check the other items listed in this table.