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Home >> GMC >> 2004 >> Jimmy 4D Utility, 4WD, Automatic >> Repair and Diagnosis >> Electrical >> Horns >> Horn System >> Diagnostic Information and Procedures >> Scan Tool Data Definitions

Scan Tool Data Definitions

Battery Voltage

The scan tool displays the current state of the battery in volts.

Horn Relay

The scan tool displays On/Off to indicate the current state of the horn as commanded by the body control module (BCM).

Horn Relay Input

The scan tool displays Active/Inactive to indicate the status of the horn relay input as commanded by the body control module (BCM).