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Home >> Hummer >> 2003 >> H2 >> Repair and Diagnosis >> External Pages >> Different car >> Section 640 (Lighting Systems) >> Diagnostic Information and Procedures >> Scan Tool Data Definitions >> Input Data 1
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Input Data 1

WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
Backup Light Request

The scan tool displays Active or Inactive. When the BCM energizes the backup light relay, the scan tool will display Active. When the BCM de-energizes the backup light relay, the scan tool will display Inactive.

Front Fog Light Switch

The scan tool displays Active or Inactive. When the front fog light switch is pressed, the scan tool will display Active. When the switch is released, the scan tool displays Inactive.

Headlamp Off Switch

The scan tool displays Active or Inactive. When the headlamps are OFF, the scan tool will display Active. When the headlamps are ON, the scan tool displays Inactive.

Inadvertent Load Monitor

The scan tool displays active or inactive. When the BCM energizes the inadvertent load monitor relay the scan tool will display active. When the BCM de-energizes the inadvertent load monitor relay the scan tool will display inactive. The inadvertent load monitor system is used for battery run down protection. The BCM removes battery voltage to accessories that were left on by de-energizing the monitored load relay.

Left Turn Monitor

The scan tool displays Active or Inactive. When the BCM detects the left turn signal is ON, the scan tool will display Active. When the BCM detects the left turn signal is OFF, the scan tool will display Inactive.

Left Turn Signal Relay

The scan tool displays Active or Inactive. When the BCM energizes the left DRL relay, the scan tool will display Active. When the BCM de-energizes the left DRL relay, the scan tool will display Inactive.

Rear Fog Light Switch

The scan tool displays Active or Inactive. When the rear fog light switch is pressed, the scan tool will display Active. When the switch is released, the scan tool displays Inactive.

Right Turn Monitor

The scan tool displays Active or Inactive. When the BCM detects the right turn signal is ON, the scan tool will display Active. When the BCM detects the right turn signal is OFF, the scan tool will display Inactive.

Right Turn Signal Relay

The scan tool displays Active or Inactive. When the BCM energizes the right DRL relay, the scan tool will display Active. When the BCM de-energizes the right DRL relay, the scan tool will display Inactive.