Step  | Action  | Value(s)  | Yes  | No  | 
|---|---|---|---|---|
1  | Did you review the radio/audio system description and operation and perform the necessary inspections?  | --  | Go to Step 2  | Go to Symptoms  | 
2  | Verify the fault is present. Does the system operate normally?  | --  | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems  | Go to Step 3  | 
3  | 
 Did the test lamp light?  | --  | Go to Step 4  | Go to Step 6  | 
4  | Connect an J 35616-200 unpowered test lamp between radio connector C1 cavity 10 for CKT 1140 (ORN) and ground. Did the test lamp light?  | --  | Go to Step 5  | Go to Step 7  | 
5  | Connect a J 39200 digital multimeter between radio connector C1 cavity 5 for CKT 150 (BLK) and ground. Is continuity present?  | --  | Go to Step 8  | Go to Step 9  | 
6  | Repair the open in CKT 43 (YEL) between the IP fuse block and the radio. Refer to Wiring Repairs in Wiring Systems. Is the repair complete?  | --  | Go to Step 10  | --  | 
7  | Repair the open in CKT 1140 (ORN) between the IP fuse block and the radio. Refer to Wiring Repairs in Wiring Systems. Is the repair complete?  | --  | Go to Step 10  | --  | 
8  | Remove the radio and send it in for repair. Refer to Radio Replacement . Is the repair complete?  | --  | Go to Step 10  | --  | 
9  | Repair the open in CKT 150 (BLK) between the radio and ground G201. Refer to Wiring Repairs in Wiring Systems. Is the repair complete?  | --  | Go to Step 10  | --  | 
10  | Operate the system in order to verify the repair. Did you correct the condition?  | --  | System OK  | Go to Step 3  |