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Power Liftgate Switch System Inspection: Notes

WARNING: This page is about a different car, the 2005 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.
  1. POWER LIFTGATE SWITCH FUNCTION INSPECTION 

    Check power liftgate switch using switch operation.

    OK or NG 

    • OK: Power liftgate switch is OK.
    • NG: GO TO  2.
  2. POWER LIFTGATE SWITCH POWER SUPPLY CIRCUIT INSPECTION 
    1. Turn ignition switch OFF.
    2. Check voltage between power liftgate switch connector M92 terminal 1 and ground.
      • 1 (L/W) - Ground: Approx. battery voltage 

    OK or NG 

    • OK: GO TO Fig 1.
    • NG: Repair the power liftgate switch power supply circuit.
    Fig 1: Checking Voltage Between Power Liftgate Switch Connector M92 Terminal 1 & Ground
    G02440187Courtesy of NISSAN MOTOR CO., U.S.A.
  3. POWER LIFTGATE SWITCH SIGNAL INSPECTION 
    1. Turn ignition switch OFF.
    2. While operating the power liftgate switch, check voltage between back door control unit connector B55 terminal 23 and ground.
      Fig 2: Voltage Specification Chart
      G02440188Courtesy of NISSAN MOTOR CO., U.S.A.
      Fig 3: Checking Voltage Between Back Door Control Unit Connector B55 Terminal 23 & Ground
      G02440189Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    • OK: Switch is OK.
    • NG: GO TO  4.
  4. POWER LIFTGATE SWITCH CIRCUIT INSPECTION 
    1. Disconnect power liftgate switch and back door control unit connector.
    2. Check continuity between power liftgate switch connector M92 terminal 1 and back door control unit connector B55 terminal 23.
      • 1 (L/W) - 23 (L/W): Continuity should exist. 

    OK or NG 

    • OK: GO TO  5.
    • NG: Repair the harness between the power liftgate switch and the back door control unit.
    Fig 4: Checking Continuity Between Power Liftgate Switch Connector M92 Terminal 1 & Back Door Control Unit Connector B55 Terminal 23
    G02440190Courtesy of NISSAN MOTOR CO., U.S.A.
  5. POWER LIFTGATE SWITCH GROUND INSPECTION 

    Check continuity between power liftgate switch connector terminal 2 and ground.

    • 2 (B) - Ground: Continuity should exist. 

    OK or NG 

    • OK: Replace the power liftgate switch.
    • NG: Repair the harness between the power liftgate switch and ground.
    Fig 5: Checking Continuity Between Power Liftgate Switch Connector Terminal 2 & Ground
    G02440191Courtesy of NISSAN MOTOR CO., U.S.A.
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