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Home >> GMC >> 1999 >> S15/T15 Jimmy 2WD 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 >> Input 2 >> High Beam Switch
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High Beam Switch

Range: ON/ OFF
The BCM uses the high beam switch input in order to determine if the high beam headlamps are ON by measuring the voltage on CKT 524 between the following components:
^ Both of the high beam headlamps
^ The high/low beam selector switch
^ The flash to pass switch
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