Toyota Corolla (E120): Oxygen sensor circuit malfunction

Inspection procedure

Circuit description

Other materials:

Selecting wheel set (vehicles with a tire pressure warning system)
Your vehicle is equipped with a tire pressure warning system with a function to register two sets of ID codes. This allows for registration of a second wheel set, for example a winter set. The wheel set can be changed only if a second wheel set has been registered to the system. If a second wheel s ...

Monitor description
While the engine is being cranked, the battery positive voltage is applied to terminal sta of the ecm. If the ecm detects the starter control signal (sta) while the vehicle is driving, it will conclude that there is a fault in the starter control circuit. The ecm will turn on the mil and a d ...

Favorite settings
My Settings Drivers are identified using devices such as electronic keys to store the vehicle settings for each. Then the information can be recalled the next time the vehicle is driven. Authentication devices can be assigned in advance to drivers so that they can drive using their preferred settin ...