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Circuit/System Testing

  1. Clear the DTC. Park lamp switch OFF, fog lamp switch OFF. Disconnect the underhood fuseblock terminal C2 pin 19. Using a test lamp connected to ground, probe the fog lamp control circuit. Verify the test lamp illuminates.
    • If the test lamp does not illuminate, replace the Underhood Fuseblock.
  2. Test for a short to voltage in the fog lamp control circuit, Underhood Fuseblock terminal C2 pin 19.
    • If all circuits/connections test normal, replace the BCM.
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