FixVault

Circuit/System Verification

WARNING: This page is about a different car, the 2011 GMC Acadia, 2011 Chevrolet Traverse, and 2011 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON, press and release the steering wheel horn pad. The horns should sound and emit a clear and even tone only when the horn pad is pressed.
    • If the horns do not sound when the horn pad is pressed or continues sounding after the horn pad is released, refer to Horn Malfunction in Circuit/System Testing .
    • If the sound emitted from the horns are not clear and even, refer to Horn - Poor Tone in Circuit/System Testing .
  2. Command the Horn ON and OFF with the scan tool. The horns should turn ON and OFF when changing between the commanded states.
    • If the horns do not turn ON and OFF when changing between the commanded states, refer to Command Malfunction in Circuit/System Testing .