903555 Replacing gateway control unit

WM 903555 Replacing gateway control unit

Tools





Technical values





Reading and writing values

Information

All remote controls (keys) are required for teaching a DME, front-end electronics (front BCM), rear-end electronics (rear BCM), electronic steering lock (ELV) control unit or remote controls (keys) for example.

Remote controls (keys) that are not taught during this teaching procedure will no longer be recognised by the vehicle.

NOTICE

Voltage drop

- Risk of irreparable damage to control unit
- Risk of damage to control unit
- Fault entries in the control unit
- Coding in the control unit is aborted
- Malfunctions in control unit, even during programming

-> Prior to disconnecting the control unit, switch off the ignition and remove the ignition key.
-> Ensure that the power supply is not interrupted during programming.
-> Connect a battery charger with a current rating of at least => Nominal value: 40 A to the vehicle battery.

Information

The PIWIS Tester II 9818 instructions take precedence since the description may be different with later Tester releases.

The procedure described here has been structured in general terms. Different text or additional information may appear in PIWIS Tester II 9818.

1. Connect the Porsche System Tester to the vehicle and start the System Tester. Switch on ignition.
2. Select the vehicle type under Diagnostics.
3. Select the required control unit Gateway in the overview and press F12 to continue.
4. Select Maintenance/repairs.
5. Select Control unit replacement and press F12.
6. Select Read data and press F12.
7. Press F8 to start reading out data.
8. Check the chassis number and press F12.
9. Switch off ignition and replace the control unit. -> 903519 Removing and installing gateway control unit 903519 Removing and installing gateway control unit.
10. Go back to the Start page on the Tester.
11. To activate the control units, switch on the hazard warning lights.
12. Select the Online teaching function menu on the Start page.
13. Select Component protection and press F12.
14. Select the required vehicle and press F12.
15. Select Gateway component protection and press F12.
16. Proceed in accordance with the instructions on the Tester.
17. Once gateway component protection has been taught successfully, switch back to the Diagnostics function and select the required vehicle. Then press F12.
18. Press F7 Read all fault memories and erase if required and delete all faults.
19. Select Gateway and press >>.
20. Select Control unit replacement and press >>.
21. Switch on ignition. Select the Write data menu (procedure described above), press F12 and then press F8 to start installing the data that was read out.
22. The System Tester displays the message Data has been written. Press F12 to continue. Switch ignition off and then on again.
23. Function test: Lock, open and start the vehicle using all remote controls.
24. Read out the fault memory and erase it if necessary.