Pinpoint Test M: Moving Glass System Has Nuisance Bounce Back

M1: 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 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 M2.
  
  No: GO to M2.
M2: CHECK IF DOOR MODULE SOFTWARE UPDATES AVAILABLE AND COMPLETE DOOR MODULE INITIALIZATION PROCEDURE
1. Using the Jaguar Land Rover approved diagnostic equipment, check if software updates for the driver/passenger/rear door module are available.
  Are door module software updates required?
  
  Yes: Install the latest relevant level of software to the driver/passenger/rear door module. When latest software installed complete the door module initialization procedure. Refer to: DOOR WINDOW MOTOR INITIALIZATION When completed, check window operation from window switch. If the issue is resolved, record cause as DCU lost initialization . If the concern persists, GO to M3.
  
  No: Using the Jaguar Land Rover approved diagnostic equipment, complete the door module initialization procedure. Refer to: DOOR WINDOW MOTOR INITIALIZATION When completed, check window operation from window switch. If the issue is resolved, record cause as DCU software issue . If the concern persists, GO to M3.
M3: 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 M4.
M4: CHECK THE GLASS SEALS ARE INSTALLED CORRECTLY
1. Check the glass seals for correctly installation.
  Are the glass seals correctly installed?
  
  Yes: GO to M5.
  
  No: Install the glass seals correctly and retest window operation, if the issue is resolved, record cause as Glass seals incorrectly installed .
M5: 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 M6.
  
  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 .
M6: 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 M7.
  
  No: Install the upper frame finisher correctly and retest window operation, if the issue is resolved, record cause as Upper frame finisher incorrectly installed .
M7: CHECK THE WINDOW LIFT MECHANISM FIXINGS TO DOOR
1. Remove the door trim/door card and covers for the fixing access holes so that the window lift mechanism fixings to the door can be clearly viewed.
2. Check all fasteners are tightened to released/specified torque.
  Are all fasteners tightened to released/specified torque?
  
  Yes: GO to M8.
  
  No: Re-tighten the affected fasteners and then retest window operation. If the issue is resolved, record cause as Window lift mechanism to door system fixing(s) not tightened to specified torque .
  
  NOTE: Please make sure you describe which particular fixing(s) were loose/required re-tightening to correct torque. If the window lift mechanism fixings cannot be correctly tightened, replace the fixings making sure the new fixings are tightened to released/specified torque and then retest window operation. If the issue is resolved, record cause as Window lift mechanism to door system fastener fault .
  
  NOTE: Please make sure you describe which fixings have been replaced. If the new window lift mechanism to door system fixings still cannot be correctly tightened, replace window lift mechanism and retest. If the issue is resolved, record cause as Window lift mechanism fault - fastener cannot be tightened to specified torque . If, after completing the repairs as described above, the concern persists, GO to M8.
M8: 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.