Home/Volvo/V70/Volvo V70 II (2000-2004)/Repair manual/Alarm System, Control Modules, Engine Management Systems - Design and Function/Vehicle reference speed

Contents

Wiring diagrams Section: Alarm System, Control Modules, Engine Management Systems - Design and Function

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)

General

Reading off input and output signals

Activating components and functions

Downloading software and replacing the control module

Signals

Parameters, status

Engine started

Differential electronic module (DEM), voltage

Central electronic module (CEM), voltage

Oil temperature

Oil pressure

Solenoid, current

Pump, current

Wheel speed

Number of detected errors

Brake pedal

Parking brake

Power supply, Differential Electronic Module (DEM)

Power supply, pump motor

Power supply, pressure reducing valve

ECU-temperature

Replacing the control module

Add accessories

Parking heater

Functions

Additional heater and parking heater

Terminology

Central electronic module

Climate control module

Driver's door module

Driver information module

Inclination sensor module (market dependent/option)

Mass movement sensor (Market dependent/option)

Passenger door module

Rear electronic module

Siren control module

Upper electronic module

Activating the alarm

Deactivating the alarm

Reduced alarm

Special functions

Acknowledgments

Reading off the alarm cause

Triggering the alarm

Deactivation

Reduced alarm function

Reading and erasing the user information

Antenna

Bass speakers

Audio remote control (option)

Road Traffic Information system (RTI) (option)

TV-receiver (option)

A battery works as follows

Battery types

State of charge, SOC

High temperatures

Cycling

Low electrolyte level

Deep discharging

Incorrect charging

Corrosion

AGM-battery

Active material

Ampere (A)

Ampere hours (Ah)

Battery acid

Battery water

CCA

Cell

Cycle

DIN

Electrical current

Electrode

Electrolyte

Separator

Grid

Short-circuit

Cold cranking amperes

Charging

Direct current, DC

Plate

SAE

Self-discharge

Sulfation

Acid density

Discharge

Stand-by voltage

Stand by current consumption

Volt (V)

Volvo Battery Analyser 3100

Surface charging

Immobilizer

Heated oxygen sensors (HO2S)

Preheating of the heated oxygen sensors (HO2S)

Mass air flow (MAF) sensor (2005-)

Throttle position (TP) sensor

Fuel pump (FP) relay, (2002-2004)

Throttle angle

Adaptation of the throttle unit

Basic conditions for adaptation of the throttle unit

Oil level monitoring (2004-, certain markets and models only)

Reading input and output signals

Activation of components

STC switch

STC switch indicator

Extrapolation counter

Wheel acceleration

Vehicle reference speed

Vehicle speed CAN signal

The vehicle acceleration

The brake disc temperature

Power supply

Activating components

Pump motor

Inlet valve left front

Right front inlet valve

Inlet valve left rear

Inlet valve right rear

Outlet valve left front

Outlet valve right front

Outlet valve left rear

Outlet valve right rear

TRACS/STC inlet valve

Control module and ABS hydraulic modulator

Stop (brake) lamp switch

ABS control

STC (stability and traction control) system

Stability Control

Traction Control

Software downloading

Signals, ABS control module with or without STC/TRACS

STC/DSTC switch

Warning lamps

Wheel sensors

Brake lamp switch

Active servo unit, pedal pressure sensor (DSTC only)

Pedal position sensor

Brake pressure sensor (Only DSTC)

ABS function

Electronic brake force distribution (EBD)

Active yaw control

Signals, brake control module (BCM) with or without STC (stability and traction control) / TRACS (traction control system)

Signals, Brake control modules (BCM) with DSTC (dynamic stability and traction control)

Central locking

Reading off input and output signals, CEM

Reading off parameters, Immobilizer

Reading off and programming data

Current limiting

Front fog lamps

Front parking lamps

Horn

Fuel pump

Starter motor

Parking heater (optional extra)

Twilight sensor

Sun sensor (electronic climate control only)

Reading off the parameter values

Programming keys

Explanation

Battery voltage, value

Distance, value

Passenger compartment temperature, value

Outside temperature, value

Engine running, status

Time, value

Generator (GEN) (Alternator control module (ACM))

Controlling functions and menu selection using the steering wheel buttons

Brake control module / ABS control module

SRS (supplemental restraint system) control module

Locking system

Initiation

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)

2 stage locking function

Standard locking function with deadlocking

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

Rear electronic module (REM)

Central electronic module (CEM)

Standard 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

Remote control

Panic function

Unlocking using the key

Air conditioning

Air distribution system

Refrigerant

Hoses, pipes

Recirculation

Defroster vents

Floor vents

Blower fan

Filter

Compressor

Evaporator

Condenser (air cooled heat exchanger)

Service valves

Evacuation valves

Switches, dashboard environment panel, (lower section)

Reading off extended fault-tracing information

Fan current, value

Fan switch, 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

Pulses from the temperature sensor for the fan motor, value

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

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

Switch functions, dashboard environment panel, (lower section)

Cooling system (not B8444S)

Cooling system (B8444S only)

Rear A/C (only XC90 with three rows of seats)

All sections

Vehicle reference speed Volvo V70 II

Alarm System, Control Modules, Engine Management Systems - Design and Function

Vehicle reference speed

Measurement range: 0-653.8 km/h

The control module derives the reference speed from all the wheel sensor signals.