Checking wiring and 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.
- Ignition off
- Check the atmospheric pressure sensor and engine control module (ECM) connectors for contact resistance and oxidation according to Contact resistance and oxidation
- Check the signal cable between atmospheric pressure sensor terminal 3 and control module terminal 18. Check the power supply cable between atmospheric pressure sensor terminal 1 and control module terminal 74. Check these cables for an open-circuit according to Open-circuit, permanent faults
.
Check the atmospheric pressure sensor signal cable terminal 3 for a short-circuit to ground according to Short-circuit to ground, permanent faults
- Remedy as necessary
- Try a atmospheric pressure sensor if no fault is found during the above fault-tracing.
Other information
- To connect the breakout box, see Connecting the breakout box. EMS 2000
- For information about signals, see Signal specification .
Courtesy of VOLVO CARS OF NORTH AMERICA.
- Continue
Refer to Verification