Checking the connectors

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 connectors for the leak diagnostic pump, the system relay and control module. Check for contact resistance and oxidation. See Contact resistance and oxidation .

Check the cable between leak diagnostic pump terminal #2 and control module terminal #35. Check for an open-circuit. See Open-circuit, permanent faults . Check for a short-circuit to ground. See Short-circuit to ground, permanent faults .

Remedy as necessary.

Other information:
- To connect the breakout box, see Connecting the breakout box. EMS 2000 .
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.

Continue
Refer to Activating the leak diagnostic