Toyota Corolla (E120): Ecm power source circuit
Other materials:
Circuit description
The throttle pressure that is applied to the primary regulator
valve (which modulates the line pressure) causes the solenoid
valve slt, under electronic control, to precisely and minutely
modulate and generate the line pressure according the extent
of the accelerator pedal depressed or the o ...
Vehicle identification
■ Vehicle identification number
The vehicle identification number (VIN) is the legal identifier for your vehicle.
This is the primary identification number for your Toyota. It is used in registering
the ownership of your vehicle.
This number is stamped on the top left of the instrument p ...
Fail–safe chart
If any of the following codes is recorded, the ecm enters the fail–safe mode.
Check for intermittent problems
Hand–held tester only:
by putting the vehicle’s ecm in the check mode, the 1 trip detection logic is
possible instead of the
2 trip detection logic, and the sensitivity to de ...