FUEL SYSTEM B1 (Fuel system status)

WARNING: This page is about a different car, the 2004 Suzuki Aerio. However, it is still accessible from the selected car via links, so may be relevant.

Air/fuel ratio feedback loop status displayed as one of the following.

OPEN: Open loop-has not yet satisfied conditions to go closed loop.

CLOSED: Closed loop-using oxygen sensor(s) as feedback for fuel control.

OPEN-DRIVE COND: Open loop due to driving conditions (Power enrichment, etc.).

OPEN SYS FAULT: Open loop due to detected system fault.

CLOSED-ONE O2S: Closed loop, but fault with at least one oxygen sensor-may be using single oxygen sensor for fuel control.