Hazard Lamps Inoperative
WARNING: This page is about a different car, the 2007 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
Hazard Lamps Inoperative
| Step | Action | Yes | No |
|---|---|---|---|
| Schematic Reference: Exterior Lights Schematics Connector End View Reference: Lighting Systems Connector End Views or Data Communication Connector End Views |
|||
| 1 | Did you perform the Diagnostic System Check - Vehicle? | Go to Step 2 | Go to Diagnostic System Check - Vehicle |
| 2 | Turn ON the hazard flashers. Does the system operate normally? |
Go to Testing for Electrical Intermittents | Go to Step 3 |
| 3 |
|
Go to Step 4 | Go to Turn Signal Lamps and/or Indicators Inoperative |
| 4 |
|
Go to Step 8 | Go to Step 5 |
| 5 | Test the hazard switch signal circuit of the turn signal/hazard flasher module for high resistance or an open. Refer to Circuit Testing
and Wiring Repairs
. Did you find and correct the condition? |
Go to Step 11 | Go to Step 6 |
| 6 | Test the ground circuit of the multifunction switch for high resistance or an open. Refer to Circuit Testing
and Wiring Repairs
. Did you find and correct the condition? |
Go to Step 11 | Go to Step 7 |
| 7 | Inspect for poor connections at the harness connector of the multifunction 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 |
| 8 | 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
. Did you find and correct the condition? |
Go to Step 11 | Go to Step 10 |
| 9 | Replace the multifunction switch. Refer to Turn Signal Multifunction Switch Replacement
. Did you complete the replacement? |
Go to Step 11 | - |
| 10 | Replace the turn signal/hazard flasher module. Refer to Hazard and Turn Signal Flasher Replacement . Did you complete the replacement? |
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 |