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Home >> Nissan-Datsun >> 2004 >> Sentra SE-R Spec V >> Repair and Diagnosis >> External Pages >> Different car >> Section 1861 (Body, Lock & Security System) >> Vehicle Security (Theft Warning) System >> Diagnostic Procedure 2 >> Security Indicator Lamp Check
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Security Indicator Lamp Check

WARNING: This page is about a different car, the 2006 Nissan Xterra. However, it is still accessible from the selected car via links, so may be relevant.
  1. SECURITY INDICATOR LAMP ACTIVE TEST 

    With CONSULT-II

    Check "THEFT IND" in "ACTIVE TEST" mode with CONSULT-II.

    Fig 1: Consult-II Display - Active Test
    G04205507Courtesy of NISSAN MOTOR CO., U.S.A.

    Without CONSULT-II

    1. Turn ignition switch OFF.
    2. Check voltage between BCM harness connector M18 terminal 23 and ground.
      TERMINALS CONDITION CONTINUITY CHART

      Connector Terminal Security indicator lamp condition Voltage (V) (Approx.)
      (+) (-)
      M18 23 Ground Illuminated 0
      Not illuminated Battery voltage
    Fig 2: Checking Voltage Between BCM Harness Connector M18 Terminal 23 And Ground
    G04205508Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    OK: Security indicator lamp is OK.

    NG: GO TO 2.

  2. SECURITY INDICATOR LAMP CHECK 

    Check security indicator lamp condition. Refer to "SELF-DIAGNOSIS FUNCTION ".

    OK or NG 

    OK: GO TO 3.

    NG: Replace combination meter. Refer to "COMBINATION METER ".

  3. CHECK HARNESS CONTINUITY 
    1. Turn ignition switch OFF.
    2. Disconnect BCM and combination meter connector.
    3. Check continuity between BCM connector M18 terminal 23 and combination meter harness connector M24 terminal 39.

      23-39: Continuity should exist  .

    4. Check continuity between BCM connector M18 terminal 23 and ground.

      23 - Ground: Continuity should not exist  .

    OK or NG 

    OK: Check the following.

    • 10A fuse [No. 19, located in fuse block (J/B)]
    • Harness for open or short between combination meter and fuse

    NG: Repair or replace harness.

    Fig 3: Checking Continuity Between BCM Connector And Combination Meter Harness Connector
    G04205509Courtesy of NISSAN MOTOR CO., U.S.A.