LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Volvo >> 2018 >> V60 T5 Dynamic, AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> Doors And Lids - Design And Function >> Central Locking, Keyless Entry System >> Central Locking, Keyless Entry System [2014-2018] >> Signals
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Central Locking, Keyless Entry System [2014-2018]: Signals

The tables below summarize the input and output signals to the units in the central locking system. The signal types are divided into directly connected signals, serial communication and controller area network (CAN) communication.

CENTRAL ELECTRONIC MODULE (CEM) (4/56):

Input signals Output signals
Directly connected:  Directly connected: 
  • Switch for valet locking of the glove compartment and cargo compartment.
  • High/low beam switch for activating the approach lights on the steering wheel module (SWM)
  • Contact breaker in lock unit, driver's door, for indicating open door.
  • Contact breaker in lock unit, passenger door, for indicating open door.
  • Contact breaker in lock unit, right-hand rear door, for indicating open door.
  • Contact breaker in lock unit, left-hand rear door, for indicating open door.
  • Contact breaker in lock unit, tailgate/trunk lid, for indicating open tailgate/trunk lid.
  • Contact breaker, hood, for indicating open hood (for vehicles with alarm).
  • Signal for unlocking from the supplemental restraint system module (SRS) if the airbags are triggered.
  • Lock motor for the tailgate/trunk lid
  • Lock motor for the fuel tank filler cover
Via serial communication:  Via serial communication: 
  • Light switch module (LSM), switch for unlocking the tailgate/trunk lid.
  • Light switch module (LSM), switch for opening the fuel tank filler cover.
  • Remote Keyless Entry (RKE), (further connected to the keyless vehicle module (KVM)).
  • Remote Keyless Entry (RKE), (further connected to the keyless vehicle module (KVM)).
Via Controller Area Network (CAN) communication:  Via Controller Area Network (CAN) communication: 
  • Infotainment control module (ICM) at customization and for information on activating and deactivating deadlock mode (BLL).
  • The driver door module (DDM) for locking and unlocking commands and for information about the lock motor's position (in certain cases).
  • The passenger door module (PDM) for locking and unlocking commands and for information about the lock motor's position (in certain cases).
  • Engine control module (ECM) for information about the status of the engine
  • Brake control module (BCM) for information about vehicle speed
  • Transmission control module (TCM), indicates the position of the gear selector.
  • Keyless vehicle module (KVM) for the passive functions, locking, unlocking and starting.
  • Infotainment control module (ICM) for customer adaptation
  • Driver door module (DDM) for locking and unlocking commands
  • Passenger door module (PDM) for locking and unlocking commands
  • Phone module (PHM) for unlocking via the Volvo On Call service.
  • Keyless vehicle module (KVM) for the passive functions, locking, unlocking and starting.
  • Driver information module (DIM) for text messages.
DRIVER DOOR MODULE (DDM) (3/126) / PASSENGER DOOR MODULE (PDM) (3/127):

Input signals Output signals
Directly connected:  Directly connected: 
  • Indication of locked mode from the central locking motor.
  • Central locking switch.
  • Output signal to central locking motor.
  • Output signal to lock motor for deadlock mode (BLL).
  • Output signal to both central locking motors and deadlock mode (BLL) when unlocking.
  • Output signal to LED for lock status indication
Via serial communication:  Via serial communication: 
  • Serial communication (LIN) with the rear door control module, on the same side, with the status of certain lock motors.
  • Serial communication (LIN) with switch child-proof lock.
  • Serial communication (LIN) with the rear door control module on the same side for the lock and unlock commands.
Via Controller Area Network (CAN) communication:  Via Controller Area Network (CAN) communication: 
  • Central electronic module (CEM) for locking and unlocking commands.
  • Keyless vehicle module (KVM) for unlock commands.
  • Central electronic module (CEM) for lock and unlock commands as well as status information on position of lock motors.
DRIVER INFORMATION MODULE (DIM) (5/1):

Input signals Output signals
Via Controller Area Network (CAN) communication:  Via Controller Area Network (CAN) communication: 
  • Information about whether the information lamp or warning lamp must be lit
  • Information about which text message must be displayed.
 -
PHONE MODULE (PHM) (16/60) (OPTION):

Input signals Output signals
Via Controller Area Network (CAN) communication:  Via Controller Area Network (CAN) communication: 
  • Central electronic module (CEM) for remote unlocking via the Volvo On Call service.
  • Central electronic module (CEM) for remote unlocking via the Volvo On Call service.
KEYLESS VEHICLE MODULE (KVM) (4/93):

Input signals Output signals
Directly connected:  Directly connected: 
  • Switch by the starter button (3/1), indicates that the starter button is pressed in.
  • Central electronic module (CEM) (4/56), signal indicating that the brake pedal is pressed
  • Lock sensor left front door (3/273).
  • Unlock sensor left front door (3/273).
  • Lock sensor right front door (3/274).
  • Unlock sensor right front door (3/274).
  • Lock sensor left rear door (3/275).
  • Unlock sensor left rear door (3/275).
  • Lock sensor right rear door (3/276).
  • Unlock sensor right rear door (3/276).
  • Lock button and unlock button for cargo compartment (10/3B).
  • Internal antenna front/middle (16/134-135), for communication with remote key in passenger compartment.
  • Antenna cargo compartment (16/133), for communication with remote key.
  • External antenna left/right rear (3/275-276), for communication with remote key.
  • External antenna rear (16/132), for communication with remote key.
Via serial communication:  Via serial communication: 
  • Remote keyless entry (RKE) receiver (4/119), for receiving data from remote keys.
  • Remote keyless entry (RKE) receiver (4/119), wake-up signal.
  • Remote keyless entry (RKE) (4/119), control commands.
Via Controller Area Network (CAN) communication:  Via Controller Area Network (CAN) communication: 
  • Central electronic module (CEM) (4/56)
  • Infotainment control module (ICM) (3/281) when changing customer parameters.
  • Central electronic module (CEM) (4/56).
  • Driver information module (DIM) (5/1)
  • Infotainment control module (ICM) (3/281) when changing customer parameters.
  • Driver door module (DDM) (3/126)
  • Passenger door module (PDM) (3/127)
scientia non olet · About LEMON Manuals