Daytime Running Lamps (DRL) Always On Domestic
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 |
Does the DRL system operate normally? | Go to Testing for Electrical Intermittents in Wiring Systems | Go to Step 3 |
3 | Are the DRL AND indicator always ON? | Go to Step 7 | Go to Step 4 |
4 | Is only the DRL indicator always ON? | Go to Step 5 | Go to Step 6 |
5 | Test the DRL relay control circuit for a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 10 | Go to Step 7 |
6 |
Are the DRL illuminated? | Go to Step 8 | Go to Step 7 |
7 | Inspect for poor connections at the harness connector of the DRL control module. Refer to Testing for Intermittent Conditions and Poor Connections and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 10 | Go to Step 9 |
8 | Repair the short to voltage in the headlamp low beam supply voltage circuit. Did you complete the repair? | Go to Step 10 | -- |
9 | Replace the DRL control module. Refer to Daytime Running Lights (DRL) Control Module Replacement . Did you complete the replacement? | Go to Step 10 | -- |
10 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |
Daytime Running Lamps (DRL) Always On Export
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? | ||
2 |
Does the DRL system operate normally? | Go to Testing for Electrical Intermittents in Wiring Systems | |
3 | Are only the rear DRL always ON? | ||
4 | Are only the front DRL always ON? | ||
5 | Disconnect the daytime running lamp rear park lamp relay. Do the rear DRL turn off? | ||
6 | Test the DRL relay control circuit for a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | ||
7 | Disconnect the daytime running lamp control module. Do the front DRL turn off? | ||
8 | Test the parklamp supply voltage circuit of the DRL control module for high resistance or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | ||
9 | Repair the short to voltage in the headlamp low beam supply voltage circuit. Did you complete the repair? | -- | |
10 | Inspect for poor connections at the harness connector of the DRL rear park lamp relay. Refer to Testing for Intermittent Conditions and Poor Connections and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | ||
11 | Inspect for poor connections at the harness connector of the DRL control module. Refer to Testing for Intermittent Conditions and Poor Connections and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | ||
12 | Replace the DRL rear park lamp relay. Did you complete the replacement? | -- | |
13 | Replace the DRL control module. Refer to Daytime Running Lights (DRL) Control Module Replacement . Did you complete the replacement? | -- | |
14 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | |
