Operation CHARM: Car repair manuals for everyone.

Removing and Installing Control Unit For Memory Seat Adjustment



Removing And Installing Control Unit For Memory Seat Adjustment

Tools







Preliminary work

Preliminary work for control unit for memory seat adjustment

Remove seat. Refer to Removing and installing front seat.

Removing control unit for memory seat adjustment

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.


INFORMATION: If the control unit must be replaced, first read out the values using the PIWIS Tester 9718.







1. Unscrew the two fastening screws -1-.







2. Release electric connectors -A- on the control unit and disconnect them.







Installing control unit for memory seat adjustment

1. Insert electric connectors into control unit until they are felt to engage.







2. Position control unit on the holder and screw it down using the two fastening screws -1-.







Subsequent work

Subsequent work for control unit for memory seat adjustment

Install seat. Refer to Removing and installing front seat.

Programming control unit

Reading out and printing out values

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.


INFORMATION:
- Follow the instructions on the Tester.
- Later versions of the software may display slightly different text or require a slightly different procedure. The instructions you receive from the tester itself take precedence over this description.

1. Connect the Porsche System Tester to the vehicle and start the System Tester. Switch on the ignition. >> Continue.
2. Select the vehicle type.
3. Move from vehicle type to the list of control units and press >>.
4. Select the relevant control unit using the cursor keys and press >>.
5. Select Control unit replacement with the cursor keys and press the >> key.
6. Select Read out values (codings) with the cursor keys and press the >> key.
7. The message Codes successfully read out appears on the screen of the Porsche System Tester. Press >>.
8. Switch off ignition and replace control unit.
9. Switch on ignition. Select the vehicle type, choose the Special functions menu, start Vehicle handover and follow the instructions on the Tester.
10. Erase All fault memories.
11. Using the >> key, move from the vehicle type to the list of control units. Perform the automatic control unit search.
12. After replacing the control unit, the data that was previously read out (see Item 6) is reloaded under the Write in data menu. Press >>.
13. The System Tester displays the message Coding write-in complete. Press >>.
14. Go to the Coding menu by pressing >>, compare the coding with the vehicle equipment and code it if necessary.
15. Check the operation of the memory switch, read out the fault memory and erase it if necessary.

Programming 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.


INFORMATION:
- Follow the instructions on the Tester.
- Later versions of the software may display slightly different text or require a slightly different procedure. The instructions you receive from the tester itself take precedence over this description.

1. Connect the Porsche System Tester to the vehicle and start the System Tester. Switch on the ignition. >> Continue.

INFORMATION: If the control unit values cannot be read out, proceed according to the instructions given here.

2. Select the vehicle type, choose the Special functions menu, start Vehicle handover and follow the instructions on the Tester.
3. Erase All fault memories.
4. Using the >> key, move from the vehicle type to the list of control modules. Perform the automatic control module search.
5. Use the cursor keys to select the Memory seat adjustment control unit and press >>.
6. Select Coding using the cursor keys and press >>.
7. Select the coding required for the vehicle and follow the instructions on the Tester.
8. Check the operation of the memory switch, read out the fault memory and erase it if necessary.