Altitude Compensator: Testing and Inspection

Fig. 39 Altitude Correction Capsule Connector Terminal ID:

1. With engine off and steerng lock in the second position, disconnect the altitude compensation capsule connector.
2. Check voltage between terminals 1 and 2, Fig. 39, reading should be 5 volts. If voltage meets specifications, replace the altitude compensation capsule. If the voltage is not 5 volts, check for and repair any open circuit. If all circuits are good, replace the EDS control unit.