Checking the resistance of the signal cable

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 OFF

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Disconnecting Connector

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Fig 3: Disconnecting Control Unit

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Ignition off
Expose the combined instrument panel
Disconnect the combined instrument panel
Control module disconnected
Connect an ohmmeter between combined instrument panel connector B terminal #22 and control module connector terminal #16.

Fig 4: Identifying DSA Control Module Terminals
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Fig 5: Identifying Ohmmeter
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Fig 6: Identifying Connector Terminals
Courtesy of VOLVO CARS OF NORTH AMERICA.

The ohmmeter should read approximately 0 Ω.

OK
Refer to Checking the bulb
NOT OK
Refer to Checking for an open-circuit