Checking connectors and components

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.

Ignition off.
Check the leak diagnostic pump, system relay and control module connectors for contact resistance and oxidation according to Contact resistance and oxidation .

Check if the hose between the lower terminal on the leak diagnostic pump and the filter in the wheel arch are blocked.

Remedy as necessary.
- To connect the breakout box, see Connecting the breakout box. EMS 2000
- To replace the filter for the leak diagnostic pump, see Replacing the leak diagnostic filter
- To replace the leak diagnostic pump, see Replacing the leak diagnostic pump .
Fig 2: Identifying Leak Diagnostic Pump Connector Terminals
Courtesy of VOLVO CARS OF NORTH AMERICA.

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

Fig 4: Identifying EMS2000
Courtesy of VOLVO CARS OF NORTH AMERICA.

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