Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Headlights/Daytime Running Lights (DRL) Schematics Connector End View Reference: Lighting Systems Connector End Views or Computer/Integrating Systems Connector End Views in Computer/Integrating Systems | |||
1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle in Vehicle DTC Information |
2 |
Do the daytime running lamps remain illuminated? | Go to Step 3 | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems |
3 | With a scan tool, observe the Daytime Running Lamp parameter in the Dash Integration Module (DIM) outputs data list. Does the scan tool indicate that the Daytime Running Lamp parameter is OFF? | Go to Step 4 | Go to Step 8 |
4 |
Did the DRL headlamps turn OFF? | Go to Step 5 | Go to Step 9 |
5 | Connect a test lamp between the control circuit of the DRL relay to the battery positive voltage circuit of the DRL relay coil. Does the test lamp illuminate? | Go to Step 6 | Go to Step 7 |
6 | Test for a short to ground in the DRL relay control circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 12 | Go to Step 8 |
7 | Inspect for poor connections at the DRL relay. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 12 | |
8 | Inspect for poor connections at the DIM. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 12 | Go to Step 11 |
9 | Repair the short to voltage in the DRL supply voltage circuit. Refer to Wiring Repairs in Wiring Systems. Did you find and correct the condition? | Go to Step 12 | -- |
10 | Replace the DRL relay. Refer to Relay Replacement in Wiring Systems. Did you complete the replacement? | Go to Step 12 | -- |
11 | Replace the DIM. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming. Did you complete the replacement? | Go to Step 12 | -- |
12 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2 |
