Toyota Corolla (E120): Heater & air conditioner

Power steering

Supplemental restraint system

Other materials:

Circuit description
The ecm compares the two waveforms of the heated oxygen sensors located before and after the catalyst to determine whether or not the catalyst performance has deteriorated. Air–fuel ratio feedback compensation keeps the waveform of the heated oxygen sensor in front of the catalyst alterna ...

Check mode procedure
1. Dtc check (check mode) Hint: hand–held tester only: compared to the normal mode, the check mode has more sensing ability to detect malfunctions. Furthermore, the same diagnostic items which are detected in the normal mode can also be detected in the check mode. Procedure for check m ...

Headlight switch
The headlights can be operated manually or automatically. Operating instructions Operating theswitch turns on the lights as follows: For the U.S.A. The headlights, daytime running lights and all the lights listed below turn on and off automatically.   The side marker, parking, LED ac ...