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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 2234 (Door & Lock (With Intelligent Key System)) >> DTC/Circuit Diagnosis >> Back Door Opener Switch >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2012 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.

Regarding Wiring Diagram information, refer to "WIRING DIAGRAM ".

  1. CHECK BACK DOOR OPENER SWITCH

    With CONSULT 

    Check back door opener switch ("BD OPEN SW") in "DATA MONITOR" mode.

    Monitor Item Condition
    BD OPEN SW Back door opener switch is pressed: ON
    Back door opener switch is released: OFF

    Without CONSULT 

    1. Turn ignition switch OFF.
    2. Check voltage between Intelligent Key Unit connector M164 terminal 24 and ground.
    Connector Terminals Condition Voltage (V) (Approx.)
    (+) (-)
    M164 24 Ground Back door opener switch is pressed 0
    Back door opener switch is released 5
    Fig 1: Checking Voltage Between Intelligent Key Unit Connector M164 Terminal 24 And Ground
    G05713195Courtesy of NISSAN NORTH AMERICA, INC.

    Is the inspection result normal? 

    YES: Back door opener switch is OK.

    NO: GO TO 2

  2. CHECK BACK DOOR OPENER SWITCH OPERATION
    1. Turn ignition switch OFF.
    2. Disconnect back door opener switch connector.
    3. Check continuity between back door opener switch terminals 1 and 2.
    Component Terminals Condition Continuity
    Back door opener switch 1 2 Back door opener switch is pressed Yes
    Back door opener switch is released No
    Fig 2: Checking Continuity Between Back Door Opener Switch Terminals 1 And 2
    G04916830Courtesy of NISSAN NORTH AMERICA, INC.

    Is the inspection result normal? 

    YES: GO TO 3

    NO: Replace back door opener switch.

  3. CHECK BACK DOOR OPENER SWITCH GROUND CIRCUIT

    Check continuity between back door opener switch harness connector D511 terminal 2 and ground.

    2 - Ground: Continuity should exist  .

    Is the inspection result normal? 

    YES: GO TO 4

    NO: Repair or replace back door opener switch ground circuit.

    Fig 3: Checking Continuity Between Back Door Opener Switch Harness Connector D511 Terminal 2 And Ground
    G04916831Courtesy of NISSAN NORTH AMERICA, INC.
  4. CHECK BACK DOOR OPENER SWITCH CIRCUIT
    1. Disconnect Intelligent Key unit connector.
    2. Check continuity between Intelligent Key Unit harness connector M164 terminal 24 and back door opener switch harness connector D511 terminal 1.

      24 - 1: Continuity should exist  .

    3. Check continuity between Intelligent Key Unit harness connector M164 terminal 24 and ground.

      24 - Ground: Continuity should not exist  .

      Is the inspection result normal? 

      YES: GO TO 5

      NO: Repair or replace harness between Intelligent Key Unit and back door opener switch.

      Fig 4: Checking Continuity Between Intelligent Key Unit Harness Connector M164 Terminal 24 And Back Door Opener Switch Harness Connector D511 Terminal 1
      G05713198Courtesy of NISSAN NORTH AMERICA, INC.
  5. CHECK BACK DOOR OPENER SWITCH SIGNAL
    1. Connect Intelligent Key Unit connector.
    2. Check voltage between back door opener switch harness connector D511 terminal 1 and ground.

    1 - Ground: Approx. 5v 

    Is the inspection result normal? 

    YES: Check condition of harness and connector.

    NO: Replace Intelligent Key Unit. Refer to "REMOVAL AND INSTALLATION ".

    Fig 5: Checking Voltage Between Back Door Opener Switch Harness Connector D511 Terminal 1 And Ground
    G04916833Courtesy of NISSAN NORTH AMERICA, INC.
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