2008 Volvo XC70FACTORY OEM SERVICE PROCEDURE

System Overview: Notes

Fig 1: Identifying System Overview
GLL171365Courtesy of VOLVO CARS CORPORATION

The alarm is an entry protection for the vehicle. The aim is prevent anyone getting into the vehicle or manipulating the vehicle in any way without being detected.

The alarm is available in various configurations:Β 

  • Perimeter guard. This configuration includes door sensors in the form of switches in the lock motors, siren without vehicle angle sensor and an alarm diode.
  • Perimeter guard with motion sensor.
  • Perimeter guard with motion sensor and siren with vehicle tilt sensor.

A heartbeat sensor (applies up to and including structure week -201020) is also available as an option for the alarm system. The heartbeat sensor can be installed for all configurations. However, it is only available as a factory option together with the keyless lock system.

Definitions:Β 

  • Deactivated: The alarm is not activated and is not protecting the vehicle
  • Activated: The alarm is protecting the vehicle and will be triggered if there is an input signal from one of the sensors/contact breakers.
  • Triggered: An alarm cycle has started. The siren sounds for 30 seconds and the turn signal lamps flash for approximately 5 minutes
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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