Daytime Running Lamps (DRL) Inoperative (Domestic/Canada)
Daytime Running Lamps (DRL) Inoperative (Domestic/Canada)
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Headlights/Daytime Running Lights (DRL) Schematics Connector End View Reference: Lighting Systems Connector End Views or Body Control System Connector End Views DEFINITION: This table is for vehicles equipped with park lamp daytime running lamps. |
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| 1 | Did you perform the Lighting System Diagnostic System Check? | Go to Step 2 | Go to Diagnostic System Check - Lighting Systems |
| 2 |
|
Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 3 |
| 3 | Do the hazard flashers operate properly? | Go to Step 4 | Go to Hazard Lamps Inoperative |
| 4 | Does the vehicle have a manual transmission? | Go to Step 5 | Go to Step 6 |
| 5 | With a scan tool, observe the parking brake input parameter in the instrument panel cluster (IPC) data list. Does the scan tool display an OFF status? |
Go to Step 6 | Go to Diagnostic System Check - Hydraulic Brakes in Hydraulic Brakes |
| 6 | With a scan tool, observe the Daytime Running Lamp parameter in the dash integration module (DIM) Outputs data list. Does the scan tool display ON? |
Go to Step 7 | Go to Step 10 |
| 7 |
|
Go to Step 9 | Go to Step 8 |
| 8 | Test the DRL relay control circuit for an open or short to battery voltage. Refer to Circuit Testing
and Wiring Repairs
in Wiring Systems. Did you find and correct the condition? |
Go to Step 13 | Go to Step 10 |
| 9 | Inspect for poor connections at the harness connector of the turn signal/hazard/flasher module. 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 13 | Go to Step 11 |
| 10 | Inspect for poor connections at the harness connector of 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 13 | Go to Step 12 |
| 11 | Replace the turn signal/hazard/flasher module. Refer to Hazard and Turn Signal Flasher Replacement
. Did you complete the replacement? |
Go to Step 13 | - |
| 12 |
IMPORTANT:
Perform the setup procedure for the DIM. Replace the DIM. Refer to Dash Integration Module Replacement
in Body Control Systems.Did you complete the replacement? |
Go to Step 13 | - |
| 13 | Operate the system in order to verify the repair. Did you correct the condition? |
System OK | Go to Step 2 |