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Home >> Chevrolet >> 2000 >> Astro Van L AWD V6-4.3L VIN W >> Repair and Diagnosis >> Relays and Modules >> Relays and Modules - Powertrain Management >> Relays and Modules - Computers and Control Systems >> Body Control Module >> Testing and Inspection >> Scan Tool Testing and Procedures >> Scan Tool Data Definitions >> Outputs >> Headlamp Power Relay
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Headlamp Power Relay

The scan tool displays the commanded state of the headlamp power relay. The scan tool displays ON when the BCM allows the headlamp power relay to go to ground to activate the headlamps.
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