Ignition Control Module: Testing and Inspection

Fig. 17 Power Unit Location:

1. Remove power unit from ignition coil bracket, Fig. 17.
2. Arrange two new 1.5 volt batteries in series.

Fig. 18 Checking Power Unit:

3. Connect positive terminal of ohmmeter to G terminal of power unit and negative terminal to OC terminal, Fig. 18.
4. Check for continuity when batteries are connected to G and IB terminals, Fig. 18. Continuity should not be present when batteries are not connected.
5. If test is not satisfactory, replace power unit.