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Home >> Nissan-Datsun >> 2005 >> Quest Base >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> DTC P1805: Brake Switch >> Component Inspection >> Stop Lamp Switch
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Stop Lamp Switch

  1. Disconnect stop lamp switch harness connector.
    Fig 1: Disconnecting Stop Lamp Switch Harness Connector
    G02474590Courtesy of NISSAN MOTOR CO., U.S.A.
  2. Check continuity between stop lamp switch terminals 1 and 2 under the following conditions.
    Fig 2: Checking Continuity Between Stop Lamp Switch Terminals 1 & 2
    G02474591Courtesy of NISSAN MOTOR CO., U.S.A.
    CONTINUITY CONDITION TABLE

    Conditions Continuity
    Brake pedal fully released Should not exist.
    Brake pedal slightly depressed Should exist.
  3. If NG, adjust stop lamp installation, refer to "BRAKE PEDAL " and perform step 2 again.