Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Exterior Lights Schematics Connector End View Reference: Master Electrical Component List . DEFINITION: Use this chart if either the front or rear hazard lamps are inoperative. | |||
1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | |
2 | Place the hazard switch to the ON position. Do the hazard lamps turn ON? | Go to Testing for Intermittent Conditions and Poor Connections | Go to Step 3 |
3 |
Do the hazard lamps illuminate? | Go to Step 6 | Go to Step 4 |
4 | Using a test lamp connected to battery positive voltage, probe the ground circuit of the hazard switch. Does the test lamp illuminate? | Go to Step 5 | Go to Step 8 |
5 | Test the hazard warning switch signal circuit for an open, poor connection, or a short to battery positive. Refer to Circuit Testing and Wiring Repairs . Did you find and correct the condition? | Go to Step 11 | Go to Step 7 |
6 | Inspect for poor connections at the hazard switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition? | Go to Step 11 | Go to Step 9 |
7 | Inspect for poor connections body control module (BCM). Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs . Did you find and correct the condition? | Go to Step 11 | Go to Step 10 |
8 | Repair a poor connection, an open, or a short to battery positive voltage in the hazard warning switch ground circuit. Refer to Circuit Testing and Wiring Repairs . Did you complete the repair? | Go to Step 11 | -- |
9 | Replace the BCM. Refer to Control Module References for replacement, setup, and programming. Did you complete the replacement? | Go to Step 11 | -- |
10 | Replace the hazard warning switch. Refer to Hazard Warning Switch Replacement . Is the repair complete? | Go to Step 11 | -- |
11 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 3 |
