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

Inspection procedure

Circuit description

Other materials:

Dtc check/clear
Notice: if there is no dtc in the normal mode, check the pending fault code using the continuous test results function (mode 7 for sae j1979) on the obd ii scan tool or the hand–held tester. Hand–held tester only: when the diagnosis system is switched from the normal mode to the ...

On–vehicle inspection
1. Check battery electrolyte level Check the electrolyte quantity of each cell (maintenance–free battery).  If under the lower level, replace the battery (or add distilled water if possible) and check the charging system.  check the electrolyte quantity of each cell ...

Fog light switch
The fog lights secure excellent visibility in difficult driving conditions, such as in rain and fog. 1 Turns the front fog lights off 2 Turns the front fog lights on *1: For U.S.A. *2: For Canada ■Fog lights can be used when The headlights are on in low beam. ...