FixVault

Trunk Lid Close Switch Check

  1. CHECK TRUNK LID CLOSE SWITCH SIGNAL 

    Check voltage between auto trunk control unit connector and ground.

    CONNECTOR VOLTAGE CHART

    Connector Terminals (Wire color) Condition Voltage (V) (Approx.)
    (+) (-)
    B110 8 (W/R) Ground Trunk lid close switch pressed (ON) 0
    Other than above (OFF) 5

    OK or NG 

    • OK : Trunk lid close switch is OK.
    • NG : GO TO 2.
      Fig 1: Checking Voltage Between Auto Trunk Control Unit Connector And Ground
      G04129551Courtesy of NISSAN MOTOR CO., U.S.A.
  2. CHECK HARNESS CONTINUITY 
    1. Turn ignition switch OFF.
    2. Disconnect auto trunk control unit and trunk lid close switch connector.
    3. Check continuity between auto trunk control unit connector B110 terminal 8 and trunk lid close switch connector B309 terminal 2.

      8 (W/R) - 2 (W/R) : Continuity should exist. 

    4. Check continuity between auto trunk control unit connector B110 terminal 8 and ground.

      8 (W/R) - Ground : Continuity should not exist. 

    OK or NG 

    • OK : GO TO 3.
    • NG : Repair or replace harness.
      Fig 2: Checking Continuity Between Auto Trunk Control Unit Connector B110 Terminal 8 And Ground
      G04129552Courtesy of NISSAN MOTOR CO., U.S.A.
  3. CHECK TRUNK LID CLOSE SWITCH 

    Check continuity between trunk lid close switch terminals 1 and 2.

    CONTINUITY CHART

    Terminals Condition Continuity
    1 2 Trunk lid switch pressed (ON) Yes
    Other than above No
    Fig 3: Checking Continuity Between Trunk Lid Close Switch Terminals 1 And 2
    G04129553Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    • OK : GO TO 4.
    • NG : Replace trunk lid close switch.
  4. TRUNK LID CLOSE SWITCH GROUND CIRCUIT CHECK 

    Check continuity between trunk lid close switch connector B309 terminal 1 and ground.

    1 (B) - Ground : Continuity should exist. 

    OK or NG 

    • OK : Replace auto trunk control unit.
    • NG : Repair or replace harness.
      Fig 4: Checking Continuity Between Trunk Lid Close Switch Connector B309 Terminal 1 And Ground
      G04129554Courtesy of NISSAN MOTOR CO., U.S.A.