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Home >> Buick >> 2005 >> Allure CX >> Repair and Diagnosis >> Accessories & Equipment >> Interior/Illumination Lights >> Lighting Systems >> Diagnostic Information and Procedures >> Hazard Lamps Inoperative

Hazard Lamps Inoperative

Hazard Lamps Inoperative

Step Action Yes No
Schematic Reference: Exterior Lights Schematics 
Connector End View Reference: Master Electrical Component List in Wiring 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 Place the hazard switch to the ON position.
Do the hazard lamps turn ON?
Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems Go to Step 3 
3
  1. Disconnect the driver information center (DIC)/ hazard switch.
  2. Install a fused jumper between the hazard switch signal circuit and the ground circuit.
Do the hazard lamps illuminate?
Go to Step 8  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 6 
5 Test the hazard warning switch signal circuit for an open, a poor connection, or a short to battery positive voltage. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 9  Go to Step 7 
6 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 in Wiring Systems.
Did you complete the repair?
Go to Step 9  -
7 Replace the body control module (BCM). Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming.
Did you complete the replacement?
Go to Step 9  -
8 Replace the DIC/hazard switch. Refer to Driver Information Center Switch Replacement in Instrument Panel, Gages and Console.
Is the repair complete?
Go to Step 6  -
9 Operate the system in order to verify the repair.
Did you correct the condition?
System OK Go to Step 3