V70 2.4 L5-2.4L VIN 61 B5244S (2001)
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through menu selection.
Data transferred to the Service Center
The following data is transferred to the Service Center with all calls between Volvo On Call Plus and a vehicle:
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Type of call (SOS or On Call).
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Geographical position of vehicle.
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VIN number of vehicle.
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Functioning power supply (normal battery or back-up battery).
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Alarm status (off, switched on or tripped).
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Ignition key in or out.
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Engine running or not.
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Vehicle locked or not.
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Front side window open or closed.
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Fuel quantity.
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Battery status, normal battery.
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SRS activated or not.
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Outside temperature.
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Inside temperature.
Data is transferred by means of a Data Burst Modem, which is significantly faster than a conventional modem.
Back-up Functions
The PHM first tries to establish contact by means of the main antenna, then the back-up antenna. If this fails, contact is established via satellite. In this
mode, only data is communicated.
The back-up functions only work when:
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the SOS or On Call button is used,
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a component is activated in the SRS system,
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the alarm is tripped.
Back-up Battery
If there is no normal power supply, the back-up battery takes over the power supply.
The battery can be replaced.
If the battery capacity falls below 30%, the driver is alerted by a message on the DIM.
Back-up Antenna
If there is no normal antenna connection, the back-up antenna takes over the functions.
GPS Receiver
The vehicle position is calculated by the GPS receiver:
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from the signal from the GPS antenna,
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from wheel pulses from the ABS control unit to calculate the distance,
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whether the car is reversing or not.
If there is no signal from the GPS antenna, the position is calculated using the wheel pulses. This is known as Dead Reckoning (DR).
Communication
Telecommunication
If there is coverage, both verbal communication and data communication between the vehicle and the Service Center is done via AMPS.
Satellite
If there is no AMPS coverage, there is (only) data communication between the vehicle and the Service Center via satellite.
Other - Handling the PHM
Note! Be careful when removing/installing/storing the telephone unit, since the SOS and On Call functions are active despite the fact that there
is no external power supply.
If the PHM is removed, the back-up battery should always be removed to prevent unintentional SOS and On Call calls to the Service Center.
