Toyota Corolla (E120): Components

Other materials:
Symptom simulation
Hint:
the most difficult case in troubleshooting is when no symptoms occurs. In such
cases, a thorough customer
problem analysis must be carried out. Then the same or similar conditions and
environment in which the
problem occurred in the customer’s vehicle should be simulated. No matter ho ...
AUX port/USB port
Connect an iPod, USB memory device or portable audio player to the AUX port/USB
port as indicated below. Press to select
“iPod”, “USB” or “AUX”.
Connecting using the AUX port/USB port
■ iPod
Open the cover and connect an iPod using an iPod cable.
Turn on the power of the i ...
Circuit description
In the diagram below, when the engine is cranked, current flows from terminal
st2 of the ignition switch to
the starter relay coil and also current flows to terminal sta of the ecm (sta
signal).
When the sta signal and ne signal are input to the ecm, tr is turned on, current
flows to the c ...


