Checking wiring

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.

Check the engine control module (ECM) and DSA control module connectors. Check for contact resistance and oxidation according to Contact resistance and oxidation .

Check in particular for damaged or loose terminal pins.

Check the signal cable between engine control module (ECM) terminal #20 and DSA control module terminal #15. Check for an open-circuit according to Open-circuit, permanent faults . Remedy if necessary.

Fig 1: Identifying DSA Control Module Terminals

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 2: Identifying Ohmmeter

Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 3: Identifying EMS2000

Courtesy of VOLVO CARS OF NORTH AMERICA.

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Refer to Verification