Section 9 (Alarm System, Control Modules, Engine Management Systems - Design And Function)
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2007 Volvo V70, 2006 Volvo V70, 2005 Volvo V70, 2004 Volvo V70, and 2003 Volvo V70. However, it is still accessible from the selected car via links, so may be relevant.
- Accessory Electronic Module (AEM) (2001-2007)
- Design
- Reverse warning system (does not apply to XC90 2003-, S80 2004-, V70/XC70 2005- and S60 2005-)
- Timer start of the electric parking heater
- Remote controlled parking heater
- Alarm signal outputs
- Telemute function for non-integrated mobile phones
- Aftermarket radio unit
- Signal output for RTI (road traffic information) (Japan only)
- Diagnostic functions
- Downloading software and replacing the control module
- Function
- Reverse warning system (does not apply to XC90 2003-, S80 2004-, V70/XC70 2005- and S60 2005-)
- Starting the parking heater via the timer
- Remote controlled parking heater
- Alarm signal outputs
- Telemute function for mobile telephones
- Using an after market radio unit
- Signal output for RTI (road traffic information) (Japan only)
- System overview
- Design
- Active On Demand Coupling (AOC) (2003-2004)
- Design
- Diagnostic functions
- General
- Diagnostic trouble codes (DTCs)
- Reading and erasing diagnostic trouble codes (DTCs)
- Reading off input and output signals
- Reading off the control module identification
- Description of parameters
- Notes
- Parameters, status
- Parameters, value
- Differential electronic module (DEM), voltage
- Central electronic module (CEM), voltage
- Oil temperature
- Oil pressure
- Solenoid, current
- Pump, current
- Wheel speed
- Number of detected errors
- Power supply, Differential Electronic Module (DEM)
- Power supply, pump motor
- Power supply, pressure reducing valve
- ECU-temperature
- Downloading software and replacing the control module
- Function
- System overview
- Additional Heater And Parking Heater (Combustion PREHEATER Module) (2001-2004)
- Alarm (2001-2004)
- Alarm (2005-2007)
- Audio Module (AUM) (2001-2007)
- Battery (All)
- Design and function
- Introduction
- Principle
- Function
- A battery works as follows
- Battery types
- The construction of the battery
- The construction of the cells
- Discharge
- Charging
- Gas build up
- Self-discharge
- Acid density
- State of charge, SOC
- Capacity
- Battery service life
- High temperatures
- Cycling
- Low electrolyte level
- Deep discharging
- Incorrect charging
- Sulfation
- Corrosion
- Vibrations
- Terminology
- AGM-battery
- Active material
- Ampere (A)
- Ampere hours (Ah)
- Battery acid
- Battery water
- CCA
- Cell
- Cycle
- Din
- Electrical current
- Electrode
- Electrolyte
- Separator
- Grid
- Capacity
- Corrosion
- Short-circuit
- Cold cranking amperes
- Charging
- State of charge, SOC
- Direct current, DC
- Plate
- Plug (not maintenance-free as well as AGM-batteries)
- Reserve capacity, RC
- Sae
- Self-discharge
- Sulfation
- Acid density
- Discharge
- Stand-by voltage
- Stand by current consumption
- Volt (V)
- Volvo Battery Analyser 3100
- Surface charging
- Design and function
- BOSCH Me7.01 Engine Management System (B5234T3; 2002-2004)
- Design
- Ignition switch
- Immobilizer
- Fuel pump control module (only vehicles with demand controlled fuel pumps)
- Fuel pump (only vehicles with demand controlled fuel pumps)
- Brake light switch
- Clutch pedal sensor (manual transmissions only)
- Air conditioning (A/C) pressure sensor
- Heated oxygen sensors (HO2S)
- Engine coolant temperature (ECT) sensor
- Engine cooling fan (FC) / engine cooling fan (FC) control module
- Cooling fan for control modules, turbocharger (TC) (certain markets only)
- Mass air flow (MAF) sensor (2002-2004)
- Mass air flow (MAF) sensor (2005-)
- Manifold absolute pressure (MAP) sensor, intake (turbocharged engines only, 2002-2004)
- Manifold absolute pressure (MAP) sensor, intake (turbocharged engines only, 2005-)
- Leak diagnostic unit (certain markets only)
- Outside temperature sensor
- Engine speed (RPM) sensor
- Camshaft sensor
- Knock sensor (KS)
- Electronic throttle unit
- Throttle position (TP) sensor
- Accelerator pedal (AP) position sensor
- Engine coolant level sensor
- Temperature sensor, intake (turbocharged engines only, 2002-2004)
- Fuel pressure sensor / fuel temperature sensor (only vehicles with demand controlled fuel pumps)
- Oil level sensor (2004-, certain markets and models only)
- Main relay (system relay)
- Air conditioning (A/C) relay
- Fuel pump (FP) relay, (2002-2004)
- Injectors
- evaporative emission system (EVAP) valve
- Camshaft reset valve (Continuous variable valve timing (CVVT))
- Turbocharger (TC) control valve
- Ignition coils
- Emissions warning lamp
- Diagnostic functions
- Overview
- Misfire diagnostic
- Camshaft diagnostics (CVVT)
- Leak diagnostics (certain markets only)
- Heated oxygen sensor (HO2S) diagnostic
- Three-way catalytic converter (TWC) diagnostics
- Fuel pressure regulation, diagnostics (only vehicles with demand controlled fuel pumps)
- Oil level sensor, diagnostics (2004-, certain markets and models only)
- Leak diagnostics, improved version (2002-)
- Leak diagnostics, original version (-2004)
- Leak diagnostics, original version (2005-)
- Downloading software and replacing the control module
- Function
- System overview
- Design
- BOSCH Me7.01 Engine Management System (B5244T3; 2002-2003)
- BOSCH Me7.01 Engine Management System (B5244T5; 2005-2007)
- BOSCH Me7.01 Engine Management System (B5254T2; 2003-2007)
- BOSCH Me7.01 Engine Management System (B5254T4; 2004-2007)
- Brake Control System (2001)
- ABS diagnostic functions
- Calibration DSTC
- Design
- Function
- Software downloading
- System overview
- Brake Control System (2002-2007)
- Central Electronic Module (CEM) (2001-2004)
- Design
- Alarm
- Central locking
- Immobilizer
- Headlamps
- Parking lights / license plate lighting
- Headlamp range adjustment (certain markets)
- Automatic range adjustment (Bi-Xenon)
- Front fog lamps
- Turn signal lamps / Hazard warning signal flashers
- High-mounted stop lamp (S60/S80)
- Courtesy lighting / key lighting / glove compartment lighting
- Horn
- Starter motor
- Rear window lift mechanisms
- Fuel pump
- Washer / wipers
- Heated seats (certain markets)
- Speed sensitive power steering
- Diagnostic functions
- Downloading software and replacing the control module
- Function
- Alarm
- Central locking
- Immobilizer
- Headlamps
- Parking lights / license plate lighting
- Headlamp range adjustment (certain markets)
- Automatic range adjustment (Bi-Xenon)
- Front fog lamps
- Turn signal lamps / Hazard warning signal flashers
- High-mounted stop lamp (S60/S80)
- Courtesy lighting / key lighting / glove compartment lighting
- Horn
- Starter motor
- Rear window lift mechanisms/child lock
- Fuel pump
- Wiper / washers for the windshield and headlamps
- Heated seats (certain markets)
- Speed sensitive power steering
- System overview
- Design
- Central Electronic Module (CEM) (2005-2007)
- Design
- Alarm
- Central locking
- Immobilizer
- Generator (GEN) (Alternator control module (ACM))
- Current limiting
- Steering wheel module (SWM)
- Steering wheel buttons
- Headlamps
- Headlamp range adjustment (certain markets)
- Automatic range adjustment (Bi-Xenon)
- Front fog lamps
- Front parking lamps
- Turn signal lamps / Hazard warning signal flashers
- High level stop lamp
- Courtesy lighting / key lighting / glove compartment lighting
- Horn
- Fuel pump
- Fuel level (Gasoline/Diesel)
- Washer / wipers
- Starter motor
- Speed sensitive power steering
- Additional heater (diesel engines only)
- Parking heater (optional extra)
- Twilight sensor
- Sun sensor (electronic climate control only)
- Blind spot information system (BLIS)
- Diagnostic functions
- General
- Diagnostic trouble codes (DTCs)
- Reading and erasing diagnostic trouble codes (DTCs)
- Reading off the control module identification
- Reading off extended diagnostic trouble code (DTC) information
- Reading off the parameter values
- Activating components and functions
- Reading off and programming data
- Programming keys
- Description of frozen values, central electronic module (CEM)
- Downloading software and replacing the control module
- Function
- Alarm
- Central locking
- Immobilizer
- Generator (GEN) (Alternator control module (ACM))
- Current limiting
- Charge voltage
- Controlling functions and menu selection using the steering wheel buttons
- Trip computer and displaying/erasing text messages
- Headlamps
- Headlamp range adjustment (certain markets)
- Automatic range adjustment (Bi-Xenon)
- Front fog lamps
- Front parking lamps
- Turn signal lamps / Hazard warning signal flashers
- High level stop lamp
- Courtesy lighting / key lighting / glove compartment lighting
- Horn
- Fuel pump
- Fuel level (Gasoline/Diesel)
- Wipers / washers
- Starter motor
- Speed sensitive power steering
- Description of function of the operating status of the heater
- Fuel driven parking heater
- Electrical heater with timer function
- Residual heater
- Additional heater
- Additional heater and parking heater
- Starting the heater remotely
- Blind spot information system (BLIS)
- System overview
- Design
- Central Locking (2001-2004)
- Signals
- System description
- System overview
- Location of components
- Locking system
- Initiation
- Function
- Locking and unlocking doors
- Locking and unlocking the fuel tank filler cover, models without fuel tank filler cover opening via remote switch
- Locking and unlocking the fuel tank filler cover, models with fuel tank filler cover opening via remote switch (market dependent)
- Opening and unlocking the trunk (S60/S80)
- Opening and unlocking the tailgate (V70/V70XC)
- Automatic functions
- Deadlocked (market dependent)
- Two step unlocking (market dependent)
- Power child lock (option)
- Valet locking (option on S60/S80 only)
- Acknowledgment (market dependent)
- Central Locking (2005-2007)
- Diagnostic functions
- Function
- General
- Standard locking function
- 2 stage locking function
- Standard locking function with deadlocking
- Private locking of the cargo compartment
- Child-proof locks
- Opening the trunk lid/tailgate
- Locking/unlocking the fuel tank filler cover
- Indication of the status of the doors, hatches and lock motors
- Automatic locking when driving
- Automatic locking after unlocking
- Signals
- System description/Design
- General
- Rear electronic module (REM)
- Central electronic module (CEM)
- Driver door module (DDM) / passenger door module (PDM)
- Driver information module (DIM)
- Climate control module (CCM)
- Upper electronic module (UEM)
- Switch for unlocking the fuel tank filler cover
- Lock units side doors
- Lock unit, tailgate/trunk lid
- Remote control
- System overview
- General
- Standard locking function
- 2 stage locking function
- Deadlock
- Valet locking mode
- Child-proof locks
- Unlocking the trunk lid/tailgate
- Unlocking the fuel tank filler cover
- Contact breakers at doors and hatches.
- Automatic locking
- Re-locking
- Text message for the lock system
- Acknowledgments
- Remote control
- Panic function
- Unlocking using the key
- Climate Control (2001-2007)
- Climate Control Module (2001-2004)
- Design
- Diagnostic functions
- General
- Diagnostic trouble codes (DTCs)
- Reading and erasing diagnostic trouble codes (DTCs)
- Reading off input and output signals
- Reading off extended fault-tracing information
- Description of programmable parameters, customer adaptation
- Description of components/functions activation
- Frozen values climate control module, description
- Explanation
- Battery voltage, value
- Distance, value
- Time, value
- Fan current, value
- Fan switch, value
- Blower fan diagnostic signal, value
- Passenger compartment temperature, value
- Fan level, value
- Voltage fan, value
- Left temperature damper motor, status
- Right temperature damper motor, status
- Recirculation damper motor, status
- Damper motor floor / ventilation status
- Damper motor, defroster, status
- Engine running, status
- Pulses from the temperature sensor for the fan motor, value
- Temperature, value
- Outside temperature, value
- Evaporator temperature sensor, value
- Air conditioning (A/C), status, compressor status
- Linear pressure, value
- Voltage, passenger compartment temperature sensor, value
- Sun sensor, sensor signal, value
- Twilight sensor, sensor signal, value
- Temperature damper motor, left position, value
- Damper motor, temperature right position, value
- Recirculation damper motor position, value
- Floor / ventilation damper motor position, value
- Damper motor defroster position, value
- Automatic breaker, activated, status
- Floor, activated, status
- Defroster, activated, status
- Max defroster, activated, status
- Air conditioning (A/C) on, activated, status
- Air conditioning (A/C) off, activated, status
- Recirculation activated, status
- Ventilation, activated, status
- Seat heater left front activated, status
- Seat heater right front activated, status
- Defroster / heated rear windshield, activated, status
- Sensor signal, air quality sensor (AQS), status
- Air quality sensor pulse width, value
- General information about reading off the status of the buttons on the dashboard environment panel
- Dashboard environment panel, button identity, status
- Dashboard environment panel, button activated, status
- Dashboard environment panel, button status
- Carconfigstatus, adjustable head restraint, status
- Carconfigstatus, folding door mirrors, status
- Carconfigstatus, bifuel, status
- Carconfigstatus, private locking, status
- Carconfigstatus, STC (stability and traction control), status
- Carconfigstatus, DSTC (dynamic stability and traction control), status
- Carconfigstatus, auxiliary lamps, status
- Carconfigstatus, reduced alarm, status
- Carconfigstatus, child-proof lock, status
- Downloading software and replacing the control module
- Function
- System overview
- Climate Control Module (CCM) (2005-2007)
- Design
- Climate control unit
- Damper motor module (DMM)
- Cooling system (not B8444S)
- Cooling system (B8444S only)
- Sun sensor (electronic climate control only)
- Twilight sensor
- Evaporator temperature sensor
- Air quality sensor (AQS) (ECC only, option)
- Seat heaters
- Switches, dashboard environment panel, (lower section)
- Rear A/C (only XC90 with three rows of seats)
- Design