Checking the Air Conditioning (A/C) System Function And For Noise: Verification

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.

HINT: After the repair it is necessary to check that the fault has been found and corrected.

HINT: Carry out the following:

Fig 1: Engine Start Verification

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Connecting Connector

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 3: Connecting Control Module

Courtesy of VOLVO CARS OF NORTH AMERICA.

Ignition off.
Reinstall connectors, components etc.
Connect the filling point's low pressure side (blue hose) to the service valve.
Start the engine and allow it to run at 1500-1600 RPM.
Place blower fan switch in the lowest active manual position.
Place air conditioning (A/C) switch to on.
Place REC-switch to on.
Check that the compressor switches in and out within the specified values:

The compressor should switch on at 295-325 kPa.

The compressor should switch off at 150-170 kPa.

Fig 4: Identifying Climate Control Switches
Courtesy of VOLVO CARS OF NORTH AMERICA.

Does the compressor switch in and out within the specified values?

YES
Refer to Verification, Continued
NO
Refer to Checking Pressure Switch (Pressostat)

HINT: After the repair it is necessary to check that the fault has been found and corrected.

HINT: Carry out the following:

Fig 1: Engine Start Verification

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Connecting Connector

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 3: Connecting Control Module

Courtesy of VOLVO CARS OF NORTH AMERICA.

Ignition off.
Reinstall connectors, components etc.
Connect the filling point's low pressure side (blue hose) to the service valve.
Start the engine and allow it to run at 1500-1600 RPM.
Place blower fan switch in the lowest active manual position.
Place air conditioning (A/C) switch to on.
Place REC-switch to on.
Check that the compressor switches in and out within the specified values:

The compressor should switch on at 295-325 kPa.

The compressor should switch off at 150-170 kPa.

Fig 4: Identifying Climate Control Switches
Courtesy of VOLVO CARS OF NORTH AMERICA.

Does the compressor switch in and out within the specified values?

YES
Refer to Verification, Continued
NO
Refer to Checking Pressure Switch (Pressostat)