Toyota Corolla (E120): Oxygen sensor circuit no activity detected

Inspection procedure

Circuit description

Other materials:

Changing engine switch modes
Modes can be changed by pressing the engine switch with the brake pedal (continuously variable transmission) or clutch pedal (manual transmission) released. (The mode changes each time the switch is pressed.) ► Vehicles without a multi-information display Off* The emergency flashers ca ...

For vehicles equipped with catalytic converter
Caution: if large amount of unburned fuel flows into the converter, it may cause overheating and a fire hazard. To prevent this, observe the following precautions. Use only unleaded gasoline.  avoid prolonged idling. Avoid running the engine at idle speed for more than 20 minutes. ...

Replacement
Hint: components: 1. Remove rear wheel 2. Remove rear brake drum sub–assy 3. Disconnect skid control sensor wire (w/ abs) 4. Remove rear axle hub & bearing assy lh Remove the 4 bolts and hub & bearing assy lh. 5. Install rear axle hub & bearing assy lh Install t ...