Toyota Corolla (E120): Mil circuit

Share this page:

Other materials:

Circuit description
The ecm compares the two waveforms of the heated oxygen sensors located before and after the catalyst to determine whether or not the catalyst performance has deteriorated. Air–fuel ratio feedback compensation keeps the waveform of the heated oxygen sensor in front of the catalyst alterna ...

Using a Bluetooth® Phone
The hands-free system is a function that allows you to use your cellular phone without touching it. This system supports Bluetooth®. Bluetooth® is a wireless data system that allows the cellular phone to wirelessly connect to the hands-free system and make/receive calls. Before making a ph ...

Inspection procedure
1 Check relay (marking: starter cut) Inspect the relay continuity, as shown in the illustration and table. Standard: 2 Check tvip ecu Disconnect the tvip ecu connector.  turn the ignition switch position to the start.  measure the voltage between the termina ...