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

Inspection procedure

Circuit description

Other materials:

Pre–check
1. Diagnosis check Starting diagnosis mode (service check mode)  turn off the audio system and turn the ig switch to acc. While pressing the preset switches ”1” and ”6” at the same time, press ”cd” 3 times. Reference: beep sound is given 3 times and the sys ...

Driving tips
Winter driving tips Carry out the necessary preparations and inspections before driving the vehicle in winter. Always drive the vehicle in a manner appropriate to the prevailing weather conditions. Preparation for winter ● Use fluids that are appropriate to the prevailing outside temper ...

Overhaul
1. Remove w/head taper screw plug no.2 Using a socket hexagon wench 10, remove the taper screw plug and gasket. 2. Remove valve lifter Remove the valve lifters from the cylinder head. 3. Remove valve Place the cylinder head on wooden blocks.  using sst, compres ...