Power Door Locks/Keyless

Check for B-CAN DTCs. If any B-CAN DTCs are indicated, refer to the B-CAN System Diagnosis Test Mode A (see TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A ), troubleshoot the indicated DTC(s) 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 CHART

Symptom

Check Items

The doors will not lock or unlock with the driver's door key cylinder or driver's door lock switch or keyless transmitter.⁽¹⁾

The doors will not lock with the driver's door lock switch or keyless transmitter.⁽¹⁾

Control unit input test (see CONTROL UNIT INPUT TEST )
Driver's door key cylinder switch test (see DOOR KEY CYLINDER SWITCH TEST )
Door lock switch test (see DOOR LOCK SWITCH TEST )
Door lock knob switch test (see DOOR LOCK KNOB SWITCH TEST )
Door switch test (check the door switch ON/OFF information with the HDS)
In-Bed trunk lid latch switch test (see IN-BED TRUNK LID KEY CYLINDER SWITCH TEST )
Transmitter test (see TRANSMITTER TEST )

The doors will not unlock with the driver's door lock switch or keyless transmitter.⁽¹⁾

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

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

Doors will not lock with the transmitter, but will lock with the door lock switch.

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

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 )

In-bed trunk lid actuator will not work when the In-bed trunk lid handle switch pressed

In-bed trunk lid actuator test (see IN-BED TRUNK LID ACTUATOR TEST ).
In-bed trunk lid handle switch test (see IN-BED TRUNK LID HANDLE SWITCH TEST/REPLACEMENT ).

The horn does not sound and/or the headlights do not flash when PANIC button on the transmitter pressed

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

Ignition key switch test (see IGNITION KEY SWITCH TEST ).

Security alarm system will not arm

⁽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.