Power Circuits (S80)
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2000 Volvo V70, 2000 Volvo S80, 2000 Volvo S70, 1999 Volvo V70, and 1999 Volvo S80. However, it is still accessible from the selected car via links, so may be relevant.
Check fuse 11 B/18 in main fuse box. See Figure. If the fuse is blown check the circuit after the fuse for a short-circuit to ground. Check fuse 11/B14 in main fuse box. If the fuse is blown check the circuit after the fuse for a short-circuit. Check power supply to ECM terminals A70 and B11. Voltage should be approximately battery voltage.