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Home >> Buick >> 2007 >> Allure CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 19 (Lighting Systems) >> Diagnostic Information and Procedures >> Front Fog Lamps Malfunction >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON, observe the scan tool Front Fog Lamp Switch parameter while cycling the fog lamp switch between the On and Off positions. The parameter should cycle between On and Off.
    • If the parameter does not cycle between the specified values, refer to Fog Lamp Switch Circuit Malfunction in Circuit/System Verification .
  2. Command the fog lamps ON and OFF with a scan tool. Verify the fog lamps turn ON and OFF when changing between the commanded states.
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