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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 B0687: Low 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 ground in the SECURITY indicator control circuit.
  3. 4. Checks the SECURITY indicator control circuit for a short to ground.
  4. 5. Determines whether the short to ground is in the instrument panel cluster or in the theft deterrent module.
    Fig 1: DTC B0687
    G01616646Courtesy of GENERAL MOTORS CORP.
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