July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

DTC P1132: O2S Switch point (rich Sensor 1): Notes

WARNING: This page is about a different car, the 2001 Saab 9-3. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Identifying O2S Circuit Low Voltage - Sensor 1

Courtesy of SAAB-SCANIA OF AMERICA, INC.