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 display does not dim with the IP dimmer switch. Does the radio display dim normally with the IP dimmer switch?  | --  | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems  | Go to Step 3  | 
3  | 
 Is the remote Tape/CD player illumination inoperative?  | --  | Go to Step 6  | Go to Step 4  | 
4  | 
 Is voltage present in CKT 1220 (GRY)?  | --  | Go to Step 10  | Go to Step 5  | 
5  | Repair an open in CKT 1220 (GRY) between the radio and S205. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Is the repair complete?  | --  | Go to Step 11  | --  | 
6  | 
 Is voltage present in CKT 1220 (GRY)?  | 5-8 V  | Go to Step 7  | Go to Step 8  | 
7  | Service the remote Tape/CD player. Refer to Remote CD Changer Replacement or Remote Tape Player Replacement . Is service of the remote Tape/CD player complete?  | --  | Go to Step 11  | --  | 
8  | Test CKT 1220 (GRY) for an open circuit. Is an open present in CKT 1220 (GRY)?  | --  | Go to Step 9  | Go to Step 10  | 
9  | Repair the open in CKT 1220 (GRY). Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Is the repair complete?  | --  | Go to Step 11  | --  | 
10  | Service the radio. Refer to Radio Replacement . Is service of the radio complete?  | --  | Go to Step 11  | --  | 
11  | Operate the system in order to verify the repair. Did you correct the condition?  | --  | System OK  | Go to Step 3  |