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

Inspection procedure

Circuit description

Other materials:

System description
The ecm uses signals from the vehicle speed sensor and crankshaft position sensor to detect the actual gear position (1st, 2nd, 3rd or o/d gear). Then the ecm compares the actual gear with the shift schedule in the ecm memory to detect the mechanical trouble of the shift solenoid valves, th ...

For vehicles equipped with mobile communication system
Install an antenna as far as possible away from the ecu and sensors of the vehicle’s electronic systems.  install an antenna feeder at least 20 cm (7.87 In.) Away from the ecu and sensors of the vehicle’s electronic systems. For details of the ecu and sensors locations, refer ...

Child restraint system fixed with a child restraint LATCH anchor (except for Puerto Rico)
■ Child restraint LATCH anchors LATCH anchors are provided for the outboard rear seat. (Marks displaying the location of the anchors are attached to the seats.) ■ When installing in the rear outboard seats Install the child restraint system in accordance to the operation manual enclosed with th ...