Daytime Running Lamps (DRL) On with Park Brake Applied
Daytime Running Lamps (DRL) On with Park Brake Applied
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Headlights/Daytime Running Lights (DRL) Schematics Connector End View Reference: Lighting Systems Connector End Views , Data Communication Connector End Views or Hydraulic Brake Connector End Views |
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| 1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle |
| 2 | Verify that the daytime running lamps (DRL) headlamps are on with the parking brake applied. Do the DRL headlamps operate normally with the parking brake applied? |
Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3 |
| 3 |
|
Go to Step 6 | Go to Step 4 |
| 4 |
|
Go to Step 7 | Go to Step 5 |
| 5 | Test for an open or high resistance in the park brake switch signal circuit or ground circuit. Refer to Circuit Testing
and Wiring Repairs
. Did you find and correct a condition? |
Go to Step 10 | Go to Step 6 |
| 6 | Inspect for poor connections at the harness connector of the body control module (BCM). Refer to Circuit Testing
and Wiring Repairs
. Did you find and correct the condition? |
Go to Step 10 | Go to Step 8 |
| 7 | Inspect for poor connections at the harness connector of the park brake switch. Refer to Circuit Testing
and Wiring Repairs
. Did you find and correct the condition? |
Go to Step 10 | Go to Step 9 |
| 8 | Replace the BCM. Refer to Control Module References
for replacement, setup and programming. Did you complete the replacement? |
Go to Step 10 | - |
| 9 | Replace the park brake switch. Refer to Park Brake Warning Lamp Switch 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 |