P2196
DTC P2195 / P2196: O2 Sensor Signal Stuck Lean / Stuck Rich (Sensor-1, Bank-1)Wiring Diagram
Wiring Diagram:
A/F Sensor Description
Refer to A/F Sensor Description.
DTC Detecting Condition and Trouble Area
DTC Detecting Condition And Trouble Area:
DTC Confirmation Procedure
WARNING:
^ When performing a road test, select a place where there is no traffic or possibility of a traffic accident and very careful during testing to avoid occurrence of an accident.
^ Road test should be carried out with 2 persons, a driver and a tester, on a level road.
NOTE: Check to make sure that the following conditions are satisfied when using this "DTC Confirmation Procedure".
EVAP leak check model:
^ The following DTCs are not detected: A/F sensor and HO2S (other than P2195 and P2196)
Non-EVAP-leak-check model:
^ Intake air temperature at engine start: -10 °C (14 °F) to 80 °C (176 °F)
^ Intake air temperature: -10 °C (14 °F) to 70 °C (158 °F)
^ Engine coolant temperature: 70 °C (158 °F) to 150 °C (302 °F)
^ Altitude (barometric pressure): 2400 m, 8000 ft or less (560 mmHg, 75 kPa or more)
^ The following DTCs are not detected: ECT sensor, IAT sensor, MAF sensor and barometric pressure sensor
1. With ignition switch OFF, connect scan tool.
2. Turn ON ignition switch and clear DTC by using scan tool.
3. Start engine and warm up to normal operating temperature.
4. Drive vehicle at 40 mph (60 km/h) or higher.
5. Keep above vehicle speed for 4 min. or more. (Throttle valve opening is kept constant in this step.)
6. Check DTC and pending DTC.
DTC Troubleshooting
