Toyota Corolla (E120): Components
Other materials:
Definition of terms
Term
Definition
Monitor description
Description of what the ecm monitors and how it detects malfunction
(monitoring purpose and its details).
Related dtcs
Diagnostic code
Typical enabling condition
Preconditions that allow the ecm to detect m ...
Starting the engine
1 Check that the parking brake is set.
► Vehicles without a multi-information display
2 Continuously variable transmission: Check that the shift lever is set in P.
Firmly depress the brake pedal.
Manual transmission: Check that the shift lever is set in N. Firmly depress the
clutch peda ...
Circuit description
The rear heated oxygen sensor is used to monitor oxygen concentration in the
exhaust gas. For optimum
catalytic converter operation, the air fuel mixture must be maintained near the
ideal ”stoichiometric” ratio.
The heated oxygen sensor output voltage changes suddenly in the vicinity of ...