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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 2008 Mercury Sable, 2008 Ford Taurus X, and 2008 Ford Taurus. However, it is still accessible from the selected car via links, so may be relevant.
  1. E1 CHECK THE MOTOR/MODULE FOR INITIALIZATION 
    1. YES  : Go to  E2.
    2. NO  : The system is operating normally at this time. The roof opening panel motor was not initialized.
  2. E2 CHECK THE POWER WINDOWS 
    • Key in ON position.
    • Verify the power windows operate.
    • Do the power windows operate? 
    1. YES  : Go to  E3.
    2. NO  : REFER to GLASS, FRAMES AND MECHANISMS article to diagnose the accessory delay relay circuit.
  3. E3 CHECK THE ROOF OPENING PANEL SWITCH 
    • Key in OFF position.
    • Disconnect: Roof Opening Panel Switch
    • Carry out the Roof Opening Panel Switch Component Test. Refer to appropriate appropriate COMPONENT TESTING article article.
    • Is the roof opening panel switch OK? 
    1. YES  : Go to  E4.
    2. NO  : INSTALL a new roof opening panel switch. TEST the system for normal operation.
  4. E4 CHECK VOLTAGE TO THE ROOF OPENING PANEL MOTOR/MODULE - CIRCUITS CBP41 (BU) AND SBP19 (BU/RD) 
    • Key in OFF position.
    • Disconnect: Roof Opening Panel Motor/Module C921
    • Key in ON position.
    • Measure the voltage between roof opening panel motor/module C921-3, circuit CBP41 (BU) and C921-6, circuit SBP19 (BU/RD), harness side and ground.
      • Fig 1: Checking Circuit For Voltage
      GF0002086Courtesy of FORD MOTOR CO.
    • Are the voltages greater than 10 volts, but less than 16 volts? 
    1. YES  : Go to  E5.
    2. NO  : VERIFY SJB fuse 19 (25A) and fuse 41 (15A) are OK. If OK, REPAIR the circuit. TEST the system for normal operation.
  5. E5 CHECK THE ROOF OPENING PANEL GROUND - CIRCUIT GD133 (BK) 
    • Key in OFF position.
    • Measure the resistance between roof opening panel motor/module C921-1, circuit GD133 (BK), harness side and ground.
      • Fig 2: Checking Circuit For Open
      GF0002087Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
    1. YES  : Go to  E6.
    2. NO  : REPAIR the circuit. TEST the system for normal operation.
  6. E6 CHECK CIRCUIT CPR39 (VT/WH) FOR AN OPEN 
    • Measure the resistance between overhead console C930-4, circuit CPR39 (VT/WH), and roof opening panel motor/module C921-2, circuit CPR39 (VT/WH) harness side.
      • Fig 3: Measuring Resistance
      GF0045523Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
    1. YES  : CHECK the overhead console jumper harness for loose pins, an open or a short in circuit CPR39 (VT/WH) between the roof opening panel switch socket and overhead console C930-4. If the overhead console jumper harness is not OK, INSTALL a new overhead console jumper harness and TEST the system for normal operation. If the overhead console jumper harness is OK, go to  E7 .
    2. NO  : REPAIR the circuit. TEST the system for normal operation.
  7. E7 CHECK CIRCUIT CPR40 (YE/OG) FOR AN OPEN 
    • Measure the resistance between overhead console C930-3, circuit CPR40 (YE/OG), and roof opening panel motor/module C921-10, circuit CPR40 (YE/OG) harness side.
      • Fig 4: Measuring Resistance
      GF0045524Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
    1. YES  : CHECK the overhead console jumper harness for loose pins, an open or a short in circuit CPR40 (YE/OG) between the roof opening panel switch socket and overhead console C930-3. If the overhead console jumper harness is not OK, INSTALL a new overhead console jumper harness and TEST the system for normal operation. If the overhead console jumper harness is OK, go to  E8 .
    2. NO  : REPAIR the circuit. TEST the system for normal operation.
  8. E8 CHECK CIRCUIT CPR31 (VT/BN) FOR AN OPEN 
    • Measure the resistance between overhead console C930-7, circuit CPR31 (VT/BN), and roof opening panel motor/module C921-5, circuit CPR31 (VT/BN) harness side.
      • Fig 5: Measuring Resistance
      GF0045525Courtesy of FORD MOTOR CO.
    • Is the resistance less than 5 ohms? 
    1. YES  : CHECK the overhead console jumper harness for loose pins, an open or a short in circuit CPR31 (VT/BN) between the roof opening panel switch socket and overhead console C930-7. If the overhead console jumper harness is not OK, INSTALL a new overhead console jumper harness, and TEST the system for normal operation. If the overhead console jumper harness is OK, go to  E9 .
    2. NO  : REPAIR the circuit. TEST the system for normal operation.
  9. E9 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? 
    1. YES  : INSTALL a new roof opening panel motor/module. REFER to Roof Opening Panel Motor . TEST the system for normal operation.
    2. 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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