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 reduced alarm function for disengaging deadlocking
Switch for valet locking of the glove compartment and cargo compartment
Switch for opening the tailgate or trunk lid
Switch for opening the fuel tank filler cover
High/low beam switch for activating the approach lights
Door open sensor
Passenger door open sensor
Right rear door open sensor to indicate when the door is open (only S40/V50).
Left rear door open sensor to indicate when the door is open (only S40/V50).
Tailgate/trunk lid open sensor
Hood switch for indicating that the hood is open (cars 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
Indicator lamp in the switch for reduced alarm, indicates that the function is activated.
Indicator lamp in doors, to indicate locking/unlocking (only C70).
Via Controller Area Network (CAN) communication:
Via Controller Area Network (CAN) communication:
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
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)
Convertible Roof Module (CRM)
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.
Convertible Roof Module (CRM)
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 lock motor
Central locking switch
Switch child-proof lock (only Driver door module (DDM)) (only S40/V50)
Output signal for the central locking motor
Output signal for the deadlock motor
Output signal for the motors for central locking and deadlocking when unlocking.
Via serial communication:
Via serial communication:
For S40/V50: Serial communication (LIN) with the rear door control module, on the same side, with the status of certain lock motors.
For S40/V50: 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.
Central electronic module (CEM) for status information about the position of certain 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:
Lock button contact breaker for locking, in the handle on the side doors
Unlocking contact breaker in the handle on the side doors, indicates that the door handle has been pulled out
Unlocking contact breaker for the cargo compartment, indicates that the unlock button is pressed in.
Quick lock motor contact breaker in the side doors, the motors can be activated
Key-in contact breaker, indicates that the start knob is pressed in.
Brake pedal switch (AUT), indicates that the brake pedal is pressed
Clutch switch (MAN), indicates that the clutch pedal is pressed
Unlocking switch trunk lid / tailgate.
Inner antenna for communication with a key in the passenger compartment
Antenna in the cargo compartment, for communication with keys
External antennas in door handle (C30/C70 front doors, S40/V50 rear doors), for communication with key.
External rear antenna, for communication with keys
Quick lock motor left front, activating
Quick lock motor right front, activating
Quick lock motor left rear, activating (only S40/V50).
Quick lock motor right rear, activating (only S40/V50).
Via serial communication (ISO):
Via serial communication (ISO):
Remote keyless entry (RKE) receiver, for receiving data from keys.
Remote keyless entry (RKE), control commands.
Via Controller Area Network (CAN) communication:
Via Controller Area Network (CAN) communication:
Central electronic module (CEM) during keyless entry
Infotainment control module (ICM) when changing customer parameters.
Central electronic module (CEM) during keyless entry
Infotainment control module (ICM) for customer adaptation
Convertible Roof Module (CRM) (4/59) (only C70):
Input signals
Output signals
Directly connected:
Directly connected:
-
5 electric motors for controlling the lockable storage compartments:
Motor ski hatch (8/139)
Motor, storage compartment, driver's door (8/137)
Motor, storage compartment, passenger door (8/138)
Motor, storage compartment, side panel, left rear (8/140)
Motor, storage compartment, side panel, right rear (8/141)
Via Controller Area Network (CAN) communication:
Via Controller Area Network (CAN) communication:
Central electronic module (CEM) during keyless entry
-
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 reduced alarm function for disengaging deadlocking
Switch for privacy locking
Switch tailgate/trunk lid
Switch for opening the fuel tank filler cover
High/low beam switch for activating the approach lights on the steering wheel module (SWM)
Indicator that the driver's door is open
Indicator that the passenger door is open
Right rear door open indicator to indicate that the door is open (only S40/V50).
Left rear door open indicator to indicate that the door is open (only S40/V50).
Indicator that the tailgate/trunk lid is open
Indicator that the hood is open (cars 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
Indicator lamp in the switch for reduced alarm, indicates that the function is activated.
Indicator LED in the doors (only C70).
Via serial communication:
Via serial communication:
Remote Receiver Module (RRX)
-
Via Controller Area Network (CAN) communication:
Via Controller Area Network (CAN) communication:
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
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.
Convertible Roof Module (CRM)
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.
Convertible Roof Module (CRM)
Driver door module (DDM) (3/126):
Input signals
Output signals
Directly connected:
Directly connected:
Indication of locked mode from the lock motor
Central locking switch
Switch, child-proof lock (only S40/V50).
Output signal for the central locking motor
Output signal for the deadlock motor
Output signal for the motors for central locking and deadlocking when unlocking.
Via serial communication:
Via serial communication:
For S40/V50: Serial communication (LIN) with the rear door control module, on the same side, with the status of certain lock motors.
For S40/V50: 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.
Central electronic module (CEM) for status information about the position of certain lock motors.
Passenger door module (PDM) (3/127):
Input signals
Output signals
Directly connected:
Directly connected:
Indication of locked mode from the lock motor
Central locking switch
Output signal for the central locking motor
Output signal for the deadlock motor
Output signal for the motors for central locking and deadlocking when unlocking.
Via serial communication:
Via serial communication:
For S40/V50: Serial communication (LIN) with the rear door control module, on the same side, with the status of certain lock motors.
For S40/V50: 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.
Central electronic module (CEM) for status information about the position of certain 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.
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