Step  | Action  | Value(s)  | Yes  | No  | 
|---|---|---|---|---|
1  | Did you perform the Lighting Systems Diagnostic System Check?  | --  | Go to Step 2  | |
2  | Verify that the LF turn signal lamp is inoperative. Do the turn signal lamps operate normally?  | --  | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems  | Go to Step 3  | 
3  | 
 Are the other lamps illuminating properly?  | --  | Go to Step 4  | Go to Symptoms  | 
4  | Use a test lamp from ground to terminal A of the inoperative bulb socket. Refer to Circuit Testing in Wiring Systems. Does the test lamp illuminate?  | --  | Go to Step 6  | Go to Step 5  | 
5  | Locate and repair the open, high resistance or short to ground in CKT 1414 (LT BLU/WHT) or CKT 2114 (LT BLU). Refer to Wiring Repairs in Wiring Systems. Is the repair complete?  | --  | Go to Step 9  | --  | 
6  | Use a test lamp between terminal A and terminal G of the inoperative bulb socket. Refer to Circuit Testing in Wiring Systems. Does the test lamp illuminate?  | --  | Go to Step 7  | Go to Step 8  | 
7  | Replace the inoperative bulb. Is the repair complete?  | --  | Go to Step 9  | --  | 
8  | Locate and repair the open or high resistance in CKT 150 (BLK). Refer to Wiring Repairs in Wiring Systems. Is the repair complete?  | --  | Go to Step 9  | --  | 
9  | Operate the system in order to verify the repair. Did you correct the condition?  | --  | System OK  | Go to Step 3  |