Step  | Action  | Value(s)  | Yes  | No  | 
|---|---|---|---|---|
DEFINITION: The daytime running lamps stay on when the park brake is applied.  | ||||
1  | Review the daytime running lamp (DRL) operation and perform the necessary inspections. Did you complete the system review and inspection?  | --  | Go to Step 2  | Go to Symptoms  | 
2  | Operate the DRL. Does the system operate while the park brake is applied?  | --  | Go to Step 3  | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems  | 
3  | 
 Is continuity present?  | --  | Go to Step 5  | Go to Step 4  | 
4  | Repair the open CKT 1134 (LT BLU) between the DRL control module and the park brake warning switch. Did you complete the repair?  | --  | Go to Step 8  | --  | 
5  | 
 Is continuity present?  | --  | Go to Step 7  | Go to Step 6  | 
6  | Replace the park brake warning switch. Did you complete the repair?  | --  | Go to Step 8  | --  | 
7  | Replace the DRL control module. Did you complete the repair?  | --  | Go to Step 8  | --  | 
8  | Operate the system in order to verify the repair. Did you correct the condition?  | --  | System OK  | Go to Step 3  |