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Home >> Chevrolet >> 2004 >> Impala LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 1096 (Lighting System) >> Diagnostic Information and Procedures >> DTC B2530 >> Circuit/System Description

Circuit/System Description

WARNING: This page is about a different car, the 2012 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.

The front fog lamp relay is supplied with battery voltage at all times via the FRT FOG LP fuse. The front fog lamp switch signal circuit is grounded momentarily by pressing the front fog lamp switch. The body control module (BCM) energizes the front fog lamp relay by applying voltage to the front fog lamp relay control circuit. When the front fog lamp relay is energized, the relay switch contacts close and battery voltage is applied through the FRT FOG LP fuse to the front fog lamp control circuit which illuminates the front fog lamps. The front fog lamp relay control circuit also controls the front fog lamp switch indicator.

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