Generator Control System Description: Operation
WARNING: This page is about a different car, the 2007 Suzuki SX4. However, it is still accessible from the selected car via links, so may be relevant.
ECM controls the generated voltage of the generator using "C" terminal (generator control terminal) duty, based on the following information.
- Engine condition (ECT, vehicle speed, engine speed, TP, etc.) (7)
- Battery voltage (ECM backup power voltage) (8)
- Electric load condition (blower motor, rear defogger, head lights, radiator fan, A/C, etc.) (9)