Step  | Action  | Value(s)  | Yes  | No  | 
|---|---|---|---|---|
1  | Did you perform the Exterior Lights System Check?  | --  | Go to Step 2  | |
2  | Inspect the FR PRK fuse in the UBEC. Is the fuse open?  | --  | Go to Step 5  | Go to Step 3  | 
3  | 
 Does either bulb have an open or shorted filament?  | --  | Go to Step 4  | Go to Step 6  | 
4  | Replace the defective bulb. Is the repair complete?  | --  | --  | |
5  | Locate and repair the short to ground in CKT 2309 (BRN). Is the repair complete?  | --  | --  | |
6  | Locate and repair the open in CKT 2309 (BRN). Is the repair complete?  | --  | --  |