Component Inspection
Engine Control
P0140 O2 Sensor Circuit No Activity Detected (Bank 1 / Sensor 2) - Inspection/Repair:_:Component Inspection
Component Inspection
1. Visually/physically inspect the following conditions:
- Ensure that the sensor is securely installed
- Check for corrosion on terminals
- Check for damaged wiring
- Repair as necessary and go to next step
2. Warm up the engine to normal operating temperature and let it idle
3. Connect GDS and monitor the O2 SNSR VOL.-B1/S2 parameter on the GDS data list.
Specification :Above 0.6V at idle
4. Is sensor data near the specified value?