Volvo Workshop Manuals
XC90 AWD V8-4.4L VIN 85 B8444S (2005)
Relays and Modules > Relays and Modules - Powertrain Management > Relays and Modules - Computers and Control Systems > Engine Control Module > Component Information > Description and Operation > System Overview > Page 1778
The function of the starter motor relay is to supply power to the starter motor. See also: Function, B8444S See: Powertrain Management/Computers and
Engine cooling fan (FC)/Engine cooling fan (FC) control module
Note! The engine cooling fan may have a post-run of up to approx. 6 minutes after the engine has been turned off. The time for the fan's
Warning! Be careful since the engine cooling fan may have a post-run after the engine has been turned off.
The engine cooling fan (FC) cools the coolant, engine compartment and the condenser when the air conditioning (A/C) compressor is running.
the A/C is off
no faults are detected by the Engine Control Module (ECM).
There is an internal diagnostic function in the engine cooling fan (FC). This function transmits a signal to the engine control module (ECM) if the fan is
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