Toyota Corolla (E120): Terminals of ecu
1. Radio receiver assy


Other materials:
Inspection procedure
1 Check source voltage
Measure the voltage of the battery.
Ok:
voltage: 10 – 14 v
2 Check air bag sensor assy center
Disconnect the negative (–) terminal cable from the battery, and wait at
least for 90 seconds.
disconnect the connectors from the airbag sensor assy ...
Transmission wire (atm)
Replacement
1. Remove transmission valve body assy
2. Remove transmission wire
Disconnect the transmission wire connector.
removal the bolt and transmission wire.
3. Install transmission wire
Coat a o–ring with atf.
install the transmission wire and bolt.
To ...
Monitor description
The battery supplies electricity to the ecm even when the ignition switch is
off. This electricity allows the
ecm store data such as dtc history, freeze frame data, fuel trim values, and
other data. If the battery voltage
falls below a minimum level, the ecm will conclude that there is a fault ...


