Esteem GL Wagon L4-1.6L (1998)
Engine Control Module: Component Tests and General Diagnostics
INSPECTION OF ECM AND ITS CIRCUITS
ECM and its circuits can be checked at ECM wiring couplers by measuring voltage and resistance.
CAUTION: ECM cannot be checked by itself. It is strictly prohibited to connect voltmeter or ohmmeter to ECM with coupler disconnected from
it.
