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Home >> Hummer >> 2003 >> H2 >> Repair and Diagnosis >> External Pages >> Different car >> Section 565 (Lighting Systems) >> 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 Hummer H2. However, it is still accessible from the selected car via links, so may be relevant.
Body Control Module (BCM)

Scan Tool Output Control Additional Menu Selection(s) Description
Light Test Daytime Running Lamps The BCM activates the DRL relay when there is sufficient light to the ambient light sensor and you select ON. The daytime running lights will remain illuminated until commanded OFF.
Light Test Parking Lamps The BCM activates the park lamp relay when you select ON. The park lamps illuminate until commanded OFF.
Light Test Backup Lamps The BCM illuminates the backup lamps when you select ON. The backup lamps will remain ON until commanded OFF.
Lamp Dimming Test Dimming The BCM adjusts the dimming output level when you select the percentage of illumination desired. The dimmable I/P lamps will illuminate to the level set by the scan tool when the I/P dimmer switch is in the FULL DIM position and remain until commanded ON.
Inadvertent Power   The BCM deactivates the inadvertent power circuit when you select OFF. The inadvertent power circuit will remain inactive until commanded ON.