Checking the signal from the combined instrument panel

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.

Fig 2: Disconnecting Connector

Courtesy of VOLVO CARS OF NORTH AMERICA.

Ignition off
Expose the DSA control module
Disconnect the control module
Ignition on.
Connect a voltmeter between control module connector terminal #16 and ground.

Fig 3: Identifying DSA Control Module Terminals
Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 4: Identifying Voltage Display
Courtesy of VOLVO CARS OF NORTH AMERICA.

The voltmeter should read approximately battery voltage.

OK
Refer to Checking the signal cable for a short-circuit to supply voltage
NOT OK
Refer to Checking the resistance of the signal cable