Checking components and connections

Fig 1: Checking Traffic Load On CAN Cables

Courtesy of VOLVO CARS OF NORTH AMERICA.

• Ignition off.

If the electric cooling fan cannot be activated in all selectable speeds: 

• Check the fuse, power supply cable and ground lead for the engine cooling fan (FC).
• Check the wiring between the engine control module (ECM) and the engine cooling fan (FC) module. Check for damage.
• Check the connectors to the engine cooling fan (FC) control module and Engine Control Module (ECM). Check for damage to pins and connections.

Remedy as necessary.

Then check: 

• Function of engine cooling fan.

• Ignition on.
• Activate the engine cooling fan (FC) by clicking the VCT2000 symbol.

Other information: 

• See Checking wiring and terminals
• For further information, see the wiring diagram.

Fig 2: Identifying VCT2000 Diagnostic Tool Symbol In VIDA

Courtesy of VOLVO CARS OF NORTH AMERICA.

Is the engine cooling fan (FC) working? 

• YES 

  OKAY:  Troubleshooting has been completed.

• NO 

  Refer to If no malfunction has been found