Did you review the Radio/Audio Description and perform the necessary inspections?

--

Go to Step 2

Go to Diagnostic Starting Point

1. Disconnect the radio.
2. Connect a test lamp from the CKT 1140 (ORN) at the radio to ground.

Does the test lamp illuminate?

--

Go to Step 3

Go to Step 4

1. Remove the radio. Refer to Radio Replacement .
2. Send the radio in for repair.

Did you complete the replacement?

--

Go to Step 5

--

Repair the open in CKT 1140 (ORN) between the radio and the IP fuse block. Refer to Wiring Repairs in Wiring Systems.

Did you complete the repair?

--

Go to Step 5

--

Operate the system in order to verify the repair.

Did you correct the condition?

--

System OK

Go to Step 2