Power Window Motor: Service and Repair
645419 Removing And Installing Power Window Motor
Tools
Preliminary work
Preliminary work for power window motor
Remove and install door trim panel.
Removing power window motor
Installation position shown on the 997:
1. If a new power window motor is to be installed, read out the values first. Switch off ignition and remove ignition key.
Release connector -a- and remove:
2. Unlock electric connector -a- and disconnect from power window motor.
Unscrew fastening screws -1-:
3. Unscrew the three fastening screws -1-.
4. Pull the power window motor out of the teeth.
Installing power window motor
1. Position power window motor and push into the teeth.
Screwing in fastening screws -1-:
2. Screw in the three fastening screws. Tightening torque 2 ftlb.
Plugging in connector:
3. Press in electric connector on power window motor until it is felt to engage.
NOTE: The end positions of the power windows are deleted from the control unit when the electric connectors are disconnected and connected.
4. Operate rocker switch and fully close window once.
5. Operate rocker switch to close again. The upper end position of the side window is stored.
6. Operate rocker switch and fully open window once.
7. Operate rocker switch to open again. The lower end position of the side window is stored.
8. If a new power window motor has been installed (door control unit), this must be programmed/coded.
Subsequent work
Subsequent work for window power motor
Remove and install door trim panel.
Programming power window motor (door control unit)
Reading from and writing to the power windows motor (door control unit)
WARNING:
Sudden voltage interruption of the power supply to the control module.
- Destruction of the control module.
- During programming, it is essential to guarantee the power supply for the Porsche System tester. It is essential to connect a battery charger with a current rating of at least 40 A to the vehicle battery.
- Prior to disconnecting the control module, switch off the ignition and remove the ignition key.
NOTE: The PIWIS tester 9718 instructions take precedence and in the event of a discrepancy these are the instructions that must be followed. Deviations may occur with later software versions.
The procedure described here has been structured in general terms; different text or additions may appear in the PIWIS tester 9718.
1. Connect the Porsche System Tester to the vehicle and start the System Tester. Switch on ignition. ">>" Continue.
2. Select vehicle type using the cursor keys.
3. Switch from the vehicle type to the list of control units.
4. Select Door and press the ">>" key.
5. Select Control unit replacement and press the ">>" key.
6. Select Read out values (codings) and press ">>".
7. The message Coding read-out complete appears on the screen of the Porsche System Tester ">>".
8. Switch off ignition and replace control unit.
9. Switch to the Special functions menu and perform the vehicle handover using the "F8" key.
10. In the Special functions menu, erase All fault memories by pressing ">>".
11. Carry out automatic search of control units.
12. In the menu Write in data ">>", the data read-out is installed.
13. System Tester displays Codes successfully written in. Press ">>".
14. Change to the Coding menu and compare the coding with the vehicle equipment. Recode if necessary.
15. Read out fault memory and, if necessary, erase it.
Coding the power windows motor (door control unit)
WARNING:
Sudden voltage interruption of the power supply to the control module.
- Destruction of the control module.
- During programming, it is essential to guarantee the power supply for the Porsche System tester. It is essential to connect a battery charger with a current rating of at least 40 A to the vehicle battery.
- Prior to disconnecting the control module, switch off the ignition and remove the ignition key.
NOTE: The PIWIS tester 9718 instructions take precedence and in the event of a discrepancy these are the instructions that must be followed. Deviations may occur with later software versions.
The procedure described here has been structured in general terms; different text or additions may appear in the PIWIS tester 9718.
NOTE: The procedure described must be applied when a control unit has to be replaced and the tester function Control unit replacement cannot be used.
1. Connect the PIWIS tester 9718 to the vehicle and start it. Switch on the ignition ">>" Continue.
2. Select the vehicle type.
3. Switch to the Special functions menu and perform the vehicle handover using the "F8" key.
4. In the Special functions menu, erase All fault memories by pressing ">>".
5. Carry out automatic search of control units.
6. Using the ">>" key, move from the vehicle type to the list of control units.
7. Select Door and press the ">>".
8. Select Coding and press the ">>".
9. Memory via radio and code with "F8".
10. Mirror memory function must be selected. Perform coding by pressing "F8".
11. Lock with Safe function must be selected. Perform coding by pressing "F8".
12. Synchronous mirror adjustment must be selected. Perform coding by pressing "F8".
13. Mirror lowering must be selected. Perform coding by pressing "F8".
14. Comfort closing must be selected. Perform coding by pressing "F8".
15. Select Comfort opening must be selected. Perform coding by pressing "F8".
16. Select Door inner handle in normal driving must be selected. Perform coding by pressing "F8".
17. Select Manual transmission must be selected. Perform coding by pressing "F8".
18. Read out fault memory and erase it if necessary.
19. Door control unit is taught.