Step | Action | Yes | No | ||||||
|---|---|---|---|---|---|---|---|---|---|
Schematic Reference: Headlights/Daytime Running Lights (DRL) Schematics | |||||||||
1 | Did you review the daytime running lamps (DRL) operation and perform the necessary inspections? | Go to Step 2 | |||||||
2 |
Are the DRLs OFF? | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 | ||||||
3 | Is the park brake indicator illuminated? | Go to Step 4 | |||||||
4 | Does the vehicle being worked on have air brakes? | Go to Step 5 | Go to Step 6 | ||||||
5 | Repair a short to ground in the coil side control circuit of the DRL OFF relay. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 7 | -- | ||||||
6 | Repair an open or high resistance in the coil side control circuit of the DRL OFF 2 relay. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you complete the repair? | Go to Step 7 | -- | ||||||
7 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 | ||||||
