Repair procedures (plant/service)

1. Replace wiring harness or plug-in connections 2. If the output signals from the DME/DDE and the GSAW21 input signals are OK, it will be necessary to replace the GSAW21. If the output signals of the GSAW21 are OK, and the input signals at the GSAW21 and the corresponding DME/DDE output signals are not OK, it will be necessary to replace the DME/DDE.