Checking Fan Motor Passenger Compartment Temperature Sensor

WARNING: This page is about a different car, the 2002 Volvo C70, 2001 Volvo C70, 2000 Volvo C70, 1999 Volvo C70, and 1998 Volvo C70. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying Ignition ON

Courtesy of VOLVO CARS OF NORTH AMERICA.

Ignition off.
Remove passenger compartment temperature sensor according to Replacing Passenger Compartment Temperature Sensor (ECC) . Leave the sensor connected.
Ignition on.
Start blower fan on manual speed, the sensor fan motor should start.
Check that fan motor in the temperature sensor is operating.

Fig 2: Identifying Blower Fan Control Switch
Courtesy of VOLVO CARS OF NORTH AMERICA.

Is the fan working?

YES
Refer to Intermittent Fault
NO
Refer to Checking Components And Cables