Checking the malfunction indicator lamp (MIL)

WARNING: This page is about a different car, the 2004 Volvo S40, 2003 Volvo S40, 2002 Volvo S40, 2001 Volvo S40, and 2000 Volvo S40. 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 on.
Connect a voltmeter between the combined instrument panel terminal B23 and ground.

Fig 2: Identifying Combined Instrument Panel Connector Terminals
Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 3: Identifying Voltage Display
Courtesy of VOLVO CARS OF NORTH AMERICA.

The voltmeter should read battery voltage.

OK
Refer to Loose connections
NOT OK
Refer to Defective malfunction indicator lamp (MIL)