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

Inspection procedure

Circuit description

Other materials:

On–vehicle inspection
1. Check basic function (manual operation function)  turn the ignition switch on.  Check that the door glass moves up when each window switch of the regulator master switch assembly is turned up and moves down when each window switch is turned down.  Check that the do ...

Under hood
General maintenance 1. General notes maintenance requirements vary depending on the country. Check the maintenance schedule in the owner’s manual supplement. Following the maintenance schedule is mandatory. Determine the appropriate time to service the vehicle using either miles driv ...

Replacement
1. Work for preventing gasoline from spilling out 2. Remove front wheels 3. Remove engine under cover rh 4. Remove engine under cover lh 5. Drain coolant 6. Remove cylinder head cover no.2 Remove the 2 nuts, 2 clips and cylinder head cover. 7. Disconnect radiator hose inlet &nb ...