Checking the wiring and component

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 voltage between ground and system relay base terminal #5. The voltage must be approximately 0 V when the system relay is disconnected.

If the voltage is above approximately 0 volts, check the cable at system relay base terminal #5. Check for a short-circuit to supply voltage according to Short-circuit to supply voltage. Permanent faults .

Try a new system relay if no fault is found during the above fault-tracing.

Remedy as necessary.

Other information
- To connect the breakout box and access the control module, see Connecting the breakout box. EMS 2000
- To access or replace the system relay, see Engine compartment
- For information about signals see Signal specification .
Fig 2: Identifying Ohmmeter
Courtesy of VOLVO CARS OF NORTH AMERICA.

Fig 3: Identifying System Relay Base Connector Terminals
Courtesy of VOLVO CARS OF NORTH AMERICA.

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Refer to Verification