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Pinpoint Test E : The Roof Opening Panel Does Not Open Or Close

WARNING: This page is about a different car, the 2016 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Use the correct probe adapter(s) from the Flex Probe Kit when making measurements. Failure to use the correct probe adapter(s) may damage the connector.

  1. E1 CHECK THE POWER WINDOW OPERATION

    • Ignition ON.
    • Attempt to operate the power windows.

    Do the power windows operate? 

    Yes  GO to  E2.
    No  REFER to Glass, Frames and Mechanisms to diagnose the inoperative power windows.

  2. E2 CHECK THE MOTOR/MODULE FOR INITIALIZATION

    Is the concern still present and/or does the roof opening panel motor fail to initialize? 

    Yes  GO to  E3.
    No  The system is operating normally at this time. The roof opening panel motor was not initialized.

  3. E3 CHECK THE ROOF OPENING PANEL SWITCH

    • Ignition OFF.
    • Disconnect: Roof Opening Panel Switch C930.
    • Carry out the roof opening panel switch component test.Refer to Component Testing for component testing.

    Is the roof opening panel switch OK? 

    Yes  GO to  E4.
    No  INSTALL a new roof opening panel switch. TEST the system for normal operation.

  4. E4 CHECK THE ROOF OPENING PANEL SWITCH GROUND - CIRCUIT GD138 (BK/WH)

    • Measure the resistance between roof opening panel switch C930-12 , circuit GD138 (BK/WH), harness side and ground.
    1. GFD137675Courtesy of FORD MOTOR COMPANY

    Is the resistance less than 5 ohms? 

    Yes  GO to  E5.
    No  REPAIR the circuit. TEST the system for normal operation.

  5. E5 CHECK VOLTAGE TO THE ROOF OPENING PANEL MOTOR/MODULE - CIRCUITS CBP41 (BU) AND SBB64 (VT/RD)

    • Disconnect: Roof Opening Panel Motor/Module In-Line C922.
    • Ignition ON.
    • Measure the voltage between roof opening panel motor/module in-line C922-2 , circuit CBP41 (BU), harness side and ground; and between roof opening panel motor/module in-line C922-1 , circuit SBB64 (VT/RD), harness side and ground.
    1. GFD137893Courtesy of FORD MOTOR COMPANY

    Is the voltage greater than 10 volts for both measurements? 

    Yes  CHECK the roof opening panel motor/module jumper harness for loose pins or an open in circuits CBP41 (BU) and SBB64 (VT/RD) between roof opening panel motor/module in-line C922 , component side, and roof opening panel motor/module C921 , harness side. If the roof opening panel motor/module jumper harness is not OK, INSTALL a new roof opening panel motor/module jumper harness and TEST the system for normal operation. If the roof opening panel motor/module jumper harness is OK, GO to  E6.
    No  VERIFY Battery Junction Box(BJB) fuse 64 (30A) and Smart Junction Box(SJB) fuse (15A) are OK. If OK, REPAIR the circuit.If not OK, REFER to the OEM Electrical Wiring Diagram Introduction to identify the possible causes of the circuit short. TEST the system for normal operation.

  6. E6 CHECK THE ROOF OPENING PANEL GROUND - CIRCUIT GD138 (BK/WH)

    • Ignition OFF.
    • Measure the resistance between roof opening panel motor/module in-line C922-4 , circuit GD138 (BK/WH), harness side and ground.
    1. GFD137894Courtesy of FORD MOTOR COMPANY

    Is the resistance less than 5 ohms? 

    Yes  CHECK the roof opening panel motor/module jumper harness for loose pins or an open in circuit GD138 (BK/WH) between roof opening panel motor/module in-line C922 , component side, and roof opening panel motor/module C921 , harness side. If the roof opening panel motor/module jumper harness is not OK, INSTALL a new roof opening panel motor/module jumper harness and TEST the system for normal operation. If the roof opening panel motor/module jumper harness is OK, GO to  E7.
    No  REPAIR the circuit. TEST the system for normal operation.

  7. E7 CHECK CIRCUIT CPR39 (VT/WH) FOR AN OPEN

    • Measure the resistance between roof opening panel switch C930-6 , circuit CPR39 (VT/WH), and roof opening panel motor/module in-line C922-5 , circuit CPR39 (VT/WH), harness side.
    1. GFD137895Courtesy of FORD MOTOR COMPANY

    Is the resistance less than 5 ohms? 

    Yes  CHECK the roof opening panel motor/module jumper harness for loose pins or an open in circuit CPR39 (VT/WH) between roof opening panel motor/module in-line C922 , component side, and roof opening panel motor/module C921 , harness side. If the roof opening panel motor/module jumper harness is not OK, INSTALL a new roof opening panel motor/module jumper harness and TEST the system for normal operation. If the roof opening panel motor/module jumper harness is OK, GO to  E8.
    No  REPAIR the circuit. TEST the system for normal operation.

  8. E8 CHECK CIRCUIT CPR40 (YE/OG) FOR AN OPEN

    • Measure the resistance between roof opening panel switch C930-8 , circuit CPR40 (YE/OG), and roof opening panel motor/module in-line C922-6 , circuit CPR40 (YE/OG), harness side.
    1. GFD137896Courtesy of FORD MOTOR COMPANY

    Is the resistance less than 5 ohms? 

    Yes  CHECK the roof opening panel motor/module jumper harness for loose pins or an open in circuit CPR40 (YE/OG) between roof opening panel motor/module in-line C922 , component side, and roof opening panel motor/module C921 , harness side. If the roof opening panel motor/module jumper harness is not OK, INSTALL a new roof opening panel motor/module jumper harness and TEST the system for normal operation. If the roof opening panel motor/module jumper harness is OK, GO to  E9.
    No  REPAIR the circuit. TEST the system for normal operation.

  9. E9 CHECK CIRCUIT CPR31 (VT/BN) FOR AN OPEN

    • Measure the resistance between overhead console C930-3 , circuit CPR31 (VT/BN), and roof opening panel motor/module in-line C922-7 , circuit CPR31 (VT/BN), harness side.
    1. GFD137897Courtesy of FORD MOTOR COMPANY

    Is the resistance less than 5 ohms? 

    Yes  CHECK the roof opening panel motor/module jumper harness for loose pins or an open in circuit CPR40 (YE/OG) between roof opening panel motor/module in-line C922 , component side, and roof opening panel motor/module C921 , harness side. If the roof opening panel motor/module jumper harness is not OK, INSTALL a new roof opening panel motor/module jumper harness and TEST the system for normal operation. If the roof opening panel motor/module jumper harness is OK, GO to  E10.
    No  REPAIR the circuit. TEST the system for normal operation.

  10. E10 CHECK THE ROOF OPENING PANEL MOTOR/MODULE FOR CORRECT OPERATION

    • Disconnect all roof opening panel motor/module connectors.
    • Check for:
      • corrosion.
      • bent pins.
      • pushed-out pins.
    • Connect all roof opening panel motor/module connectors and make sure they seat correctly.
    • Operate the system and verify the concern is still present.

    Is the concern still present? 

    Yes  INSTALL a new roof opening panel motor/module. REFER to Roof Opening Panel Motor . TEST the system for normal operation.
    No  The system is operating correctly at this time. Concern may have been caused by a loose or corroded connector. TEST the system for normal operation.
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