Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Did you review the radio/audio system operation and perform the necessary inspections? | -- | Go to Step 2 | Go to Symptoms |
2 | Verify that the radio displays is inoperative and that there is no sound from the speakers. Does the radio operate normally? | -- | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
3 | Inspect the RDO BATT fuse 19 for an open. Is the fuse open? | -- | Go to Step 4 | Go to Step 5 |
4 | Repair the short to ground in CKT 340 (ORN). Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Replace the RDO BATT fuse 19. Is the repair complete? | -- | Go to Step 14 | -- |
5 | Using a DMM, test for voltage present at the Radio Connector C1, cavity 10. Is voltage present? | 9 - 16V | Go to Step 7 | Go to Step 6 |
6 | Repair the open or high resistance in CKT 340 (ORN). Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 14 | -- |
7 | Inspect the RDO IGN fuse 24 for an open. Is the fuse open? | -- | Go to Step 8 | Go to Step 9 |
8 | Repair the short to ground in CKT 1301 (DK GRN). Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Replace the RDO IGN fuse 24. Is the repair complete? | -- | Go to Step 14 | -- |
9 | Test CKT 1301 (DK GRN) for an open. Is there an open in CKT 1301 (DK GRN)? | -- | Go to Step 10 | Go to Step 11 |
10 | Repair the open in CKT 1301 (DK GRN). Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 14 | -- |
11 | Test CKT 1050 (BLK) for an open. Is there an open in CKT 1050 (BLK)? | -- | Go to Step 12 | Go to Step 13 |
12 | Repair the open in CKT 1050 (BLK). Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 14 | -- |
13 | Service the radio. Refer to Radio Replacement . Is service of the radio complete? | -- | Go to Step 14 | -- |
14 | Operate the system in order to verify the repair. Did you correct the condition? | -- | System OK | Go to Step 3 |
