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Home >> Pontiac >> 2001 >> Aztek Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 920 (Horn System) >> Diagnostic Information and Procedures >> Scan Tool Output Controls
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Scan Tool Output Controls

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Scan Tool Output Controls

Scan Tool Output Control Additional Menu Selection(s) Description
Horn Relay Input Output Control The body control module (BCM) energizes the horn relay momentarily when you select On, resulting in the horn sounding.
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