Checking the power supply to relay base terminal 1

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 Switch ON Position

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Identifying Connector

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 3: Identifying A/C Switch OFF/ON

Courtesy of VOLVO CARS OF NORTH AMERICA.

Air conditioning (A/C) switch on.
Ignition on.
Air conditioning (A/C) relay disconnected.
Connect a voltmeter between relay base terminal 1 and ground.

Fig 4: Identifying Fuel Pump Relay Connector
Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 5: Identifying Voltmeter
Courtesy of VOLVO CARS OF NORTH AMERICA.

The voltmeter should read battery voltage.

OK
Refer to Checking the power supply to relay base terminal 2
NOT OK
Refer to Fault-tracing information