198001888 - M015 (MANUALLY OPERATED) REAR WINDOWS NOT WORKING

When handle is operated, the rear windows do not go up/down regularly.
Test results
1CHECK WINDOW TRAVELAll OKProblems encounteredOperation
Check for obstacles that prevent the window moving regularly through its travelMove on to Step 2Presence of obstaclesRemove the obstacle
2CHECK THE OPERATING HANDLEAll OKProblems encounteredOperation
Check the operation and correct fastening of the window operating handleMove on to Step 31. Incorrect fastening2. Fault in the handle1. Restore the correct fastening    Op. 7010D38 REAR SIDE DOOR MANUAL WINDOW OPENING MECHANISM HANDLE/RING NUT (ONE), LEFT OR RIGHT - R.R 2. Replace the handle    Op. 7010D38 REAR SIDE DOOR MANUAL WINDOW OPENING MECHANISM HANDLE/RING NUT (ONE), LEFT OR RIGHT - R.R
3CONTROL DEVICE CHECKAll OKProblems encounteredOperation
Check the operation and correct fastening of the window operating handleEnd of diagnosis1. Incorrect fastening2. Fault in control device1. Restore the correct fastening    Op. 7010D35 REAR SIDE DOOR MANUAL WINDOW MECHANISM (ONE), LEFT OR RIGHT - R.R. 2. Replace the control device    Op. 7010D35 REAR SIDE DOOR MANUAL WINDOW MECHANISM (ONE), LEFT OR RIGHT - R.R.