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Home >> Oldsmobile >> 1999 >> Intrigue GL, 3.5 H >> Repair and Diagnosis >> External Pages >> Different car >> Section 5 (Body Control Modules) >> Diagnostic Tests >> DTC B2600: Daytime Running Light (DRL) Circuit Malfunction >> Test Description

Test Description

WARNING: This page is about a different car, the 1999 Pontiac Grand Am and 1999 Oldsmobile Alero. However, it is still accessible from the selected car via links, so may be relevant.

The numbers below refer to the step numbers in the diagnostic procedures.

  1. 4

    Listen for an audible click when the Daytime Running Light (DRL) relay operates. Command both the ON and OFF states. Repeat the commands as necessary.

  2. 5

    Tests for voltage at the coil side of the DRL relay.

  3. 6

    Verifies that the Body Control Module (BCM) is providing ground to the DRL relay.
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