323 L4-1800cc 1.8L OHC (1991)
Control Module: Testing and Inspection
1.
With ignition switch "ON," check EC-AT control unit terminal voltages, referring to pin voltage chart.
2.
If not correct, check and replace or repair defective component(s) and/or wiring.
3.
If voltages are not correct and no other cause is detected, replace control unit.
PIN VOLTAGE CHART
Part 1
EC-AT Control Unit Pin Voltage Chart (Part 1)
Part 2