Fuel pump relay: Diagnostics

WARNING: This page is about a different car, the 2003 Saab 9-3 and 2002 Saab 9-3. However, it is still accessible from the selected car via links, so may be relevant.

If there is an open circuit or short circuit to ground, diagnostic trouble code P1654 will be generated.
If there is a short circuit to B+, diagnostic trouble code P1655 will be generated.
If current is missing from relay pin 87 when the relay is active, diagnostic trouble code P1641 will be generated.
NOTE: The pump will operate for 1 second when the ignition is turned on.