Control Unit
- Disconnect control unit connector. Apply battery voltage to control unit terminal No. 6 and ground terminal No. 3. SeeFigure . Using an ohmmeter, check continuity between terminals No. 3 and 4, and terminals No. 3 and 5. Continuity should exist.
- Ground terminal No. 2. Current should be present at terminal No. 5 for about one second. Disconnect ground from terminal No. 2 and ground terminal No. 1. Current should be present at terminal No. 4 for about one second. If control unit does not test as described, replace control unit.