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Home >> Infiniti >> 2014 >> QX60 Base, FWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> Door & Lock (Except Hybrid) >> DTC/Circuit Diagnosis >> Automatic Back Door Close Switch >> Diagnosis Procedure

Diagnosis Procedure

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

  1. CHECK AUTOMATIC BACK DOOR CLOSE SWITCH INPUT SIGNAL 
    1. Turn ignition switch OFF.
    2. Disconnect automatic back door close switch connector.
    3. Check voltage between automatic back door close switch harness connector and ground.
      (+) (-) Voltage (Approx.)
      Automatic back door close switch
      Connector Terminal
      D560 1 Ground Battery voltage

      Is the inspection result normal? 

      YES: GO TO  3.

      NO: GO TO 2.

  2. CHECK AUTOMATIC BACK DOOR CLOSE SWITCH CIRCUIT 
    1. Disconnect automatic back door control module connector.
    2. Check continuity between automatic back door control module harness connector and automatic back door close switch harness connector.
      Automatic back door control module Automatic back door close switch Continuity
      Connector Terminal Connector Terminal
      B55 23 D560 1 Yes
    3. Check continuity between automatic back door control module harness connector and ground.
      Automatic back door control module Ground Continuity
      Connector Terminal
      B55 23 No

      Is the inspection result normal? 

      YES: Replace automatic back door control module. Refer to "REMOVAL AND INSTALLATION ".

      NO: Repair or replace harness.

  3. CHECK AUTOMATIC BACK DOOR CLOSE SWITCH GROUND CIRCUIT 

    Check continuity between automatic back door close switch harness connector and ground.

    Automatic back door close switch Ground Continuity
    Connector Terminal
    D560 2 Yes

    Is the inspection result normal? 

    YES: GO TO 4.

    NO: Repair or replace harness.

  4. CHECK AUTOMATIC BACK DOOR CLOSE SWITCH 

    Refer to "COMPONENT INSPECTION ".

    Is the inspection result normal? 

    YES: GO TO 5.

    NO: Replace automatic back door close switch. Refer to "REMOVAL AND INSTALLATION ".

  5. CHECK INTERMITTENT INCIDENT 

    Refer to "INTERMITTENT INCIDENT ".

    : Inspection End.