DTC Detecting Condition and Trouble Area

WARNING: This page is about a different car, the 2006 Suzuki Grand Vitara. However, it is still accessible from the selected car via links, so may be relevant.

DTC DETECTING CONDITION CHART

DTC detecting condition	Trouble area
DTC P2197 O2 Sensor Signal Stuck Lean (Sensor-1, Bank-2): Short term fuel trim is larger than 130% and A/F sensor (bank-2) signal is more than 0.5 V for more than 30 sec. (2 driving cycle detection logic) DTC P2198 O2 Sensor Signal Stuck Rich (Sensor-1, Bank-2): Short term fuel trim is smaller than 70% and A/F sensor (bank-2) signal is less than 0.5 V for more than 30 sec. (2 driving cycle detection logic)	A/F sensor circuit A/F sensor ECM

DTC detecting condition

Trouble area

DTC P2197 O2 Sensor Signal Stuck Lean (Sensor-1, Bank-2):
Short term fuel trim is larger than 130% and A/F sensor (bank-2) signal is more than 0.5 V for more than 30 sec.
(2 driving cycle detection logic)
DTC P2198 O2 Sensor Signal Stuck Rich (Sensor-1, Bank-2):
Short term fuel trim is smaller than 70% and A/F sensor (bank-2) signal is less than 0.5 V for more than 30 sec.
(2 driving cycle detection logic)

A/F sensor circuit
A/F sensor
ECM