Toyota Corolla (E120): Oxygen sensor circuit slow response

Inspection procedure

Circuit description

Other materials:

Overhaul
1. Precaution 2. Disconnect battery negative terminal 3. Inspect place front wheels facing straight ahead 4. Remove horn button assy Notice: if the airbag connector is disconnected with the ignition switch being at on, dtcs will be recorded.  using a torx socket wrench, loosen the ...

Circuit description
When the idle switch is turned on, a signal is sent to the cruise control ecu assy. The cruise control ecu assy uses this signal to correct the discrepancy between the throttle valve position and the actuator position sensor values to enable accurate cruise control at the set speed. If the idl ...

Ecu power source circuit
Circuit description This circuit provides power to operate the tvip ecu. Wiring diagram Inspection procedure 1 Check fuse (ecu–b) Remove the fuse from the instrument panel j/b.  check the continuity of the fuse. Standard: continuity 2 Check tvip ecu Disconnect ...