Esteem L4-1590cc 1.6L SOHC 0 MFI 16V (1995)
Engine Control Module: Component Tests and General Diagnostics
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.
Voltage Check
1. Remove ECM from body with ignition switch OFF.
ECM Terminal Identification
2. Connect ECM couplers to ECM.
ECM Voltage Check
