Checking the component

HINT: The diagnostic trouble code (DTC) may due to a damaged cooling fan for the control module boxes. If diagnostic trouble code (DTC) ECM-680X is stored it must be remedied first. 

Activate the cooling fan for the control module box. Check the function. There must be a buzzing noise from the cooling fan when the fan for the control module box is activated.

Check that the air ducts for the control module box are not blocked.

Remedy as necessary.

Other information 

• For the location of components on 5 cylinder engines, see Location of components
• For the location of components on normally aspirated engines, see Location of components
• For the location of components on turbocharged engines, see Location of components .

Fig 1: Identifying VCT2000 Diagnostic Tool Symbol In VIDA

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Identifying Engine Cooling Fan (FC) Control Modules

Courtesy of VOLVO CARS OF NORTH AMERICA.

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