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Home >> Infiniti >> 2003 >> FX45 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Self-Diagnostics >> Diagnostic Tests >> DTC P1805: Brake Switch >> Component Inspection
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Component Inspection

  1. Disconnect stop lamp switch harness connector.
  2. Check continuity between stop lamp switch terminals No. 1 and 2. See Fig 1 . There should be no continuity with brake pedal fully released. There should be continuity with brake pedal depressed.
  3. If continuity is not to specification, adjust stop lamp switch installation. Repeat previous step.
Fig 1: Checking Continuity Of Stop Lamp Switch
G00273090Courtesy of NISSAN MOTOR CO., U.S.A.
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