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Home >> Honda >> 2013 >> CR-Z Base, Standard Trans >> Repair and Diagnosis >> Accessories & Equipment >> Anti-Theft Systems >> Keyless/Power Door Locks/Security System >> Symptom Troubleshooting Index >> Power Door Locks/Keyless
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Power Door Locks/Keyless

  1. 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 ), and troubleshoot the indicated DTC(s) first.
  2. 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 Also check for
    The security system sounds randomly while the doors are locked.   Tripped sensor history (see TRIPPED SENSOR HISTORY  )
    Both doors will not lock or unlock with the door lock switch or the transmitter. Driver's door will lock and unlock with the door key cylinder switch.
    • Poor ground (G501, G502) or an open in the ground wire
    • Blown No. B27 (20 A) and/or No. B45 (20A) fuse in the under-dash fuse/relay box
    • Blown No. B35 (7.5A), No. B36 (10A) and/or No. B49 (7.5A) fuse in the under-dash fuse/relay box
    • Door switch test (check the door switch ON/OFF information with the HDS)
    • Door lock switch test (check the door switch ON/OFF information with the HDS)
    • MICU input test (see MICU INPUT TEST  )
    Faulty door lock actuator (see DOOR LOCK ACTUATOR TEST  )
    Driver's door will not lock or unlock.
    • Poor ground (G501, G502) or an open in the ground wire
    • Blown No. B27 (20 A) fuse in the under-dash fuse/relay box
    • Blown No. B36 (10 A) and/or No. B45 (20A) fuse in the under-dash fuse/relay box
    • MICU input test (see MICU INPUT TEST  )
    Faulty door lock actuator (see DOOR LOCK ACTUATOR TEST  )
    Passenger's door will not lock or unlock.
    • Poor ground (G501, G502) or an open in the ground wire
    • Blown No. B27 (20 A) fuse in the under-dash fuse/relay box
    • Blown No. B35 (7.5 A) and/or No. B49 (7.5 A) fuse in the under-dash fuse/relay box
    • Driver's door key cylinder switch test (see DOOR KEY CYLINDER SWITCH TEST  )
    • MICU input test (see MICU INPUT TEST  )
    Faulty door lock actuator (see DOOR LOCK ACTUATOR TEST  )
    Hatch will not release.
    • Poor ground (G501, G502, G801)
    • Blown No. B45 (20 A) fuse in the under-dash fuse/relay box
    • Hatch outer handle switch test (check the trunk lid/tailgate switch ON/OFF information with the HDS)
    • MICU input test (see MICU INPUT TEST  )
    Faulty hatch release actuator (see HATCH RELEASE ACTUATOR TEST  )
    Keyless operation does not work (LOCK, UNLOCK, PANIC). Symptom troubleshooting (see KEYLESS OPERATION DOES NOT WORK (LOCK, UNLOCK, PANIC)  )  
    Doors will not unlock with the transmitter, but will unlock with the door lock switch and the door key cylinder switch.  
    Doors will not lock with the transmitter, but will lock with the door lock switch and the door key cylinder switch.  
    Doors automatically relock 30 seconds after being unlocked with the transmitter even though a door has been opened. Symptom troubleshooting (see KEYLESS OPERATION DOES NOT WORK (LOCK, UNLOCK, PANIC)  )  
    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  )  
    Keyless operation will work even though the ignition key is in the ignition switch. Ignition key switch test (see IGNITION KEY SWITCH TEST )  
    The horn does not sound when the PANIC button on the transmitter is pressed. Symptom troubleshooting (see DOORS WILL NOT UNLOCK (OR LOCK) WITH THE TRANSMITTER, BUT WILL UNLOCK (OR LOCK) WITH THE DOOR LOCK SWITCH AND THE DOOR KEY CYLINDER SWITCH  )  
    Security alarm system will not arm Symptom troubleshooting (see SECURITY ALARM SYSTEM WILL NOT ARM  )