Keyless/Power Door Locks/Security Alarm System Symptom Troubleshooting Procedures

Power Door Locks/Keyless
  1. If the door lock system works properly, but the keyless operation does not, refer to the immobilizer-keyless control unit symptom troubleshooting information.
    NOTE: The door lock system does not function when:
    • Any of the doors is open.
    • Ignition key is in the ignition key switch.
    • Ignition switch is ON (II).
    No.
    Symptom
    Check Items
    1
    The doors will not lock or unlock. *
    • MICU input test
    • Driver's door key cylinder switch test
    • Door lock switch test
    • Door lock knob switch test
    2
    The doors will not lock. *
    • MICU input test
    • Door lock knob switch test
    • Driver's door switch test (check the door switch ON/OFF information with the HDS)
    3
    The doors will not unlock. *
    • MICU input test
    • Door lock knob switch test
    • Door switch test (check the door switch ON/OFF information with the HDS)
    4
    Keyless operation does not work (LOCK, UNLOCK).
    Symptom troubleshooting.
    5
    Doors will not unlock with the transmitter, but will unlock with the door switch.
    Symptom troubleshooting.
    6
    Doors will not lock with the transmitter, but will lock with the door switch.
    Symptom troubleshooting.
    7
    Doors automatically relock after being unlocked with the transmitter even though a door has been opened.
    Symptom troubleshooting.
    8
    Keyless operation will work even though the ignition key is in the ignition switch.
    Ignition key switch test.

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