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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1707 (Theft Deterrent System) >> Diagnostic Information and Procedures >> DTC B0686: Over Current Condition In The SECURITY Indicator Lamp Control Circuit >> Test Description

Test Description

WARNING: This page is about a different car, the 2002 Pontiac Grand Prix. However, it is still accessible from the selected car via links, so may be relevant.
  1. 2. Verifies the condition for setting the DTC is current.
  2. 3. Checks for an intermittent short to voltage in the SECURITY indicator control circuit.
  3. 5. Checks for a short to voltage in the SECURITY indicator lamp control circuit.
    Fig 1: DTC B0686
    G01616645Courtesy of GENERAL MOTORS CORP.
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