Use your thinking.
Electronic control unit or computerElectronic control unit or computer
It is on because the engine computer has detected a malfunction with the electronic throttle control system.
It is the indicator for a failure in the electronic throttle control system.It is the indicator for a failure in the electronic throttle control system.
It stays on when the computer detects a malfunction in the electronic throttle system.
An ECU is any of the electronic control units (computers) on the car.
It is on the air cleaner. If the sticker is still intact it will say "electronic spark control", or "electronic fuel control" on it. It will have a vacuum line plugged in to it, and a couple of wire harnesses.
That is the warning light that a failure has been detected in the electronic throttle control system.
It stays on when the computer detects a malfunction and sets a code.
It is the system that actuates the throttle plate electronically. This van does not use a throttle cable.
A malfunction in the electronic throttle control system.
The first step is have the system checked for trouble codes. The cause will be the main factor in the repair.
Engine, transmission, ABS are under the hood. Airbag, body, HVAC, are inside the vehicle.