See also:

Blower function to reduce battery drain
The climate system's blower functions normally while the engine is running. However, when the engine is switched off (even if the ignition is switched to positions I or II), the blower control w ...

How can I prepare for my next OBD II emission inspection?
• If your Check Engine (MIL) light is lit – or was lit but went out without service, have your vehicle diagnosed and, if necessary, serviced by a qualified Volvo technician. • If you recently h ...

Electrical system
General information 12 volt system with a voltage-regulated alternator. Single pole system in which the chassis and engine block are used as conductors. The negative terminal is connected to the ...