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Home >> Chevrolet >> 2001 >> Impala Base, 3.8 K >> Repair and Diagnosis >> External Pages >> Different car >> Section 504 (Lighting Systems) >> Diagnostic Information and Procedures >> DTC B2618: Interior Lamp Control Circuit High >> Test Description

Test Description

WARNING: This page is about a different car, the 2002 Oldsmobile Intrigue. However, it is still accessible from the selected car via links, so may be relevant.

The numbers below refer to the step numbers on the diagnostic table.

  1. 2. Watch for the courtesy lamps to illuminate. Command both the ON and OFF states. Repeat the commands as necessary.
  2. 3. Tests for a short to voltage in the interior lamp output circuit.
Fig 1: DTC B2618 Diagnostic Table
G01830512Courtesy of GENERAL MOTORS CORP.
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