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Home >> Land Rover >> 2021 >> Range Rover Evoque R-Dynamic S >> Repair and Diagnosis >> Body & Frame >> Windows >> Glass, Frames And Mechanisms -- Range Rover EVOQUE/L551 >> Glass, Frames And Mechanisms >> Diagnosis And Testing >> Glass, Frames And Mechanisms (G2018367) >> Lower Soft Stop/Hard Stop Description >> Pinpoint Test F: Moving Glass System Inconsistently Only Partially Moves

Pinpoint Test F: Moving Glass System Inconsistently Only Partially Moves

  1. F1: CHECK FOR RELATED DIAGNOSTIC TROUBLE CODES 
    1. Using the Jaguar Land Rover approved diagnostic equipment, perform routine - On demand self test (0x0202) and check for related DTC  s. For a list of Diagnostic Trouble Codes (DTC  s) that could be set on this vehicle, please refer to DIAGNOSTIC TROUBLE CODE INDEX - DTC: DRIVER/PASSENGER/REAR DOOR MODULE (DDM/PDM/RDM)

      Are there any relevant DTC  s set?

      Yes:  If a relevant DTC  is set, address the specific issue(s) described. When repairs have been completed, retest window operation, if the issue is resolved, record cause as in-line with set Diagnostic Trouble Code  . If the concern persists, GO to  F2.

      No:  GO to  F2.

  2. F2: CHECK FUNCTIONALITY WHEN OPERATED FROM WINDOW SWITCH IN AFFECTED DOOR AND FROM WINDOW SWITCH IN DRIVER DOOR 
    1. Check window operation from both the window switch in the door exhibiting the issue and the corresponding window switch in driver door.

      Does the window operate from either switch?

      Yes:  If the issue is with the REAR DOOR, confirm child lock switch in driver door is not activated. If active, deactivate and retest window operation. If the child lock is not activated, investigate the issue at the non-functioning switch. Check connections to the affected switchpack for loose connectors, backed out pin(s) and rectify as required, then retest window operation. If the issue is resolved, record cause as window switchpack connection loose  . If any switchpack components are found to be faulty, replace the affected switchpack and retest window operation. If the issue is resolved, record cause as window switchpack component fault  . If the switchpack does not have power supply, GO to  F3. If the issue is not/not only with the rear doors, check connections to the affected switchpack for loose connectors, backed out pin(s) and rectify as required, then retest window operation. If the issue is resolved, record cause as window switchpack connection loose  . If any switchpack components are found to be faulty, replace the affected switchpack and retest window operation. If the issue is resolved, record cause as window switchpack component fault  .

      No:  GO to  F3.

  3. F3: CHECK DOOR MODULE SUPPLY FUSE 
    1. Refer to the electrical circuit diagrams and identify the correct fuse(s), then check electrical connections and integrity.

      Is there an issue with the door module supply fuse?

      Yes:  If the fuse/fuse connection is loose, secure and retest window operation, if the issue is resolved, record cause as DCU Supply fuse/fuse connection loose  . If the fuse has blown, replace and retest window operation, if the issue is resolved, record cause as DCU Supply fuse blown  .

      No:  If the fuse is correctly connected and functioning, GO to  F4.

  4. F4: CHECK DOOR MODULE HARDWARE 
    1. Refer to the electrical circuit diagrams and, using a multimeter, measure the door module supply voltage (at the door module connector). Check if the door module supply voltage is greater than 10v.

      Is the door module supply voltage greater than 10v (measured at the door module connector)?

      Yes:  If the voltage is GREATER than 10v then, using a multimeter, measure the output voltage from the door module to the window lift motor at the door module connector. Check if the door module output voltage to the window lift motor is greater than 10v. If the voltage is LESS than 10v, this suggests the issue may be with the door module. Replace the affected door module. Retest window operation. If the issue is resolved, record cause as DCU hardware fault  . If the voltage is LESS than 10v, GO to PINPOINT TEST E .

      No:  This suggests the issue may be a wiring fault on the supply circuit between the supply fuse and the door module. Check the door module supply circuit backed out pin(s) and short circuit to ground, short circuit to power, open circuit, high resistance and rectify as required. Retest window operation. If the issue is resolved, record cause as Electrical harness fault  .

  5. F5: CHECK WINDOW LIFT MECHANISM MOTOR 
    1. Refer to the electrical circuit diagrams and then, using a multimeter, measure the supply voltage to the window lift mechanism motor (at the window lift mechanism motor connector) when window operation is being attempted.

      Is the window lift motor supply voltage greater than 10v (at the window lift mechanism motor connector)?

      Yes:  GO to  F6.

      No:  This would indicate that the issue is between the door module and the window lift mechanism motor. Check for connector pin(s) backed out or short circuit to ground, short circuit to power, open circuit, high resistance and rectify as required. Then, retest window operation. If the issue is resolved, record cause as Electrical harness fault  .

  6. F6: CHECK THE WINDOW CONDITION 
    1. Remove the window and visually inspect its condition for signs of damage.

      Does the window show any signs of damage (for example, cracks or chips)?

      Yes:  If the window shows signs of damage (for example, cracks or chips), replace the window and retest window operation. If the issue is resolved, record cause as Window glass damaged  . If, after completing the repairs as described above, the concern persists, GO to  F7.

      No:  GO to  F7.

  7. F7: CHECK THE GLASS SEALS ARE FREE FROM FOREIGN MATERIAL 
    1. Check for any foreign material or obstructions in the glass seals.

      Are there signs of any foreign material(s) or obstructions in the glass seals?

      Yes:  If foreign material is found within the glass seals, remove material or replace the seal as required and retest window operation, if the issue is resolved, record cause as Foreign material in glass seals  .

      No:  GO to  F8.

  8. F8: CHECK THE GLASS SEALS ARE INSTALLED CORRECTLY 
    1. Check the glass seals for correctly installation.

      Are the glass seals correctly installed?

      Yes:  GO to  F9.

      No:  Install the glass seals correctly and retest window operation, if the issue is resolved, record cause as Glass seals incorrectly installed  .

  9. F9: CHECK THE GLASS SEAL CHANNELS ARE INSTALLED CORRECTLY 
    NOTE: Glass seal channels are either part of the Door BIW, B-Pillar Capping, C-Pillar Capping or part of the Door Fixed Quarter Glass.
    1. Check the glass seal channels are installed correctly?

      Are the glass seal channels correctly fitted and secured to BIW with fixings tightened to correct tightening torque?

      Yes:  GO to  F10.

      No:  Install the glass seal channel(s) correctly and retest window operation, if the issue is resolved, record cause as Glass seal channel(s) incorrectly installed  .

  10. F10: CHECK THE UPPER FRAME FINISHER IS INSTALLED CORRECTLY 
    1. Inspect the upper frame finisher for correct installation.

      Is the upper frame finisher correctly fitted and secured to BIW?

      Yes:  GO to  F11.

      No:  Install the upper frame finisher correctly and retest window operation, if the issue is resolved, record cause as Upper frame finisher incorrectly installed  .

  11. F11: CHECK THE WINDOW LIFT MECHANISM FUNCTIONALITY 
    1. Remove the door trim/door card and door module plate so that the window lift mechanism and window glass can be clearly viewed.
    2. Remove the window.
    3. Attempt to operate the window lift mechanism up and down from the window switch when the mechanism is still installed within the door.

      Is the window lift mechanism functional and able to freely move from fully up to fully down without abnormal noise?

      Yes:  GO to  F12.

      No:  Replace the window lift mechanism and retest. If the issue is resolved, visually inspect the faulty window lift mechanism that was removed from the vehicle and record cause as appropriate: Window lift mechanism failed - cable(s) broken or frayed/Window lift mechanism failed - cable drum or pulleys seized/Window lift mechanism failed - de-cabled/Window lift mechanism failed - un-identifiable  . If the problem persists, GO to  F12.

  12. F12: IF ACTIONS DESCRIBED IN PREVIOUS STEPS HAVE BEEN COMPLETED AND CONCERN PERSISTS 
    1. Make sure that all the diagnostic steps described above have been fully completed.

      Is the issue or concern still present?

      Yes:  Where all diagnostic options described above have been exhausted, yet the concern remains, authorized retailers/repairers must contact Jaguar Land Rover retailer support for advice. The person contacting Jaguar Land Rover must be in possession of all documentation relating to the concern and be able to provide full details of the primary and secondary diagnosis completed. Where practicable, the vehicle should also be accessible when contacting Jaguar Land Rover to allow for additional information to be obtained if required.

      No:  No further action required.

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