Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Cruise control system / Ecu power source circuit
Toyota Corolla (E120): Ecu power source circuit
Other materials:
Registering a Bluetooth® audio player for the first time
To use the Bluetooth® Audio, it is necessary to register an audio player with
the system.
Once the player has been registered, it is possible to use the Bluetooth® Audio.
For details about registering a Bluetooth® device
1 Turn the Bluetooth® connection setting of your audio player on.
2 P ...
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 ...
Monitor description
While the engine is being cranked, the battery positive voltage is applied to
terminal sta of the ecm.
If the ecm detects the starter control signal (sta) while the vehicle is
driving, it will conclude that there is
a fault in the starter control circuit. The ecm will turn on the mil and a d ...


