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.
- Ignition off.
Check the signal cable between control module terminal #10 and system relay terminal #2. Check for a short-circuit to supply voltage according to Short-circuit to supply voltage. Permanent faults .
HINT: With the ignition on and the system relay disconnected, the voltage between system relay base terminal #1 and ground should be approximately 12 V.
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 .
- Continue
Refer to Verification