Diagnostics and services: Activations

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2006 Volvo S80, 2005 Volvo S80, 2004 Volvo S80, 2003 Volvo S80, and 2002 Volvo S80. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Control Module Activation Of Components

Courtesy of VOLVO CARS OF NORTH AMERICA.

Wit this service it is possible to trigger (activate) the components that are connected to the control module. Examples of components are:

Relays
Solenoids
Lock motors
Damper motors
Signals to other control modules.

NOTE: If a malfunction is detected, diagnostic trouble code is stored and emergency functions or modes, etc. are activated to "protect" the system, the control module can prevent activation.

Depending on the system, the control module or diagnostics tool can perform activations in different ways, for some the component is activated according to a certain pattern, e. g., OFF, ON, OFF, ON, OF, ON, etc. in a sequence.

For other systems, the component is activated, e. g., ON, and remain on until the activation is stopped.