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Central Control Module: Service and Repair



Removing And Installing Gateway Control Unit

Tools







Preliminary work

Preliminary work for gateway control unit
Cover of driver's footwell:

Remove relay carrier 1

Remove vehicle electrical system control unit.

General warning notes

General warnings for gateway control module

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.

Removing gateway control unit

INFORMATION: The gateway control module is located under the radiator tank, accessible from inside the vehicle near to the driver.







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.







1. -A- Pull gateway control unit downwards on the plug side (unclip)
2. -B- Pull gateway control unit to the left out of the holder.







3. Release electric connector -A- and pull from the gateway control unit.

Installing gateway control unit

Installing gateway control module







1. Push on electric plug until it is felt to engage on gateway control module.







2. Push in gateway control module into the holder -A- and clip in -A-.
3. If a new gateway control module has been installed, it must be coded on the vehicle.

Subsequent work

Subsequent work for gateway control unit
Install relay carrier 1.

Install vehicle electrical system control unit.

Cover of driver's footwell:

Coding gateway control unit

INFORMATION:
- If the gateway control module is replaced, the gateway control module must be coded using the PIWIS tester 9718. This is to adapt the Gateway control module to the vehicle and equipment.
- If possible, before the gateway control module is removed and replaced, a read-out of the vehicle data should be obtained from the Porsche System Tester.
- During coding, 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.
- The Porsche System Tester 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 Porsche System Tester.

1. Connect the Porsche System Tester to the vehicle and start the System Tester. Switch on the ignition. >> Continue.
2. Select vehicle type using the cursor keys.
3. Move from vehicle type to the list of control units >>.
4. Select Gateway with the cursor keys and press the >> key.
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 Coding read-out complete will appear on the screen of the Porsche System Tester. Press the >> key.
8. Switch off ignition and replace Gateway control unit. Removing and installing gateway control unit - removing
9. System Tester displays Coding write-in complete. Press the >> key.
10. Follow the instructions on the Tester.
11. Quit menu, switch off ignition, lock then unlock vehicle and read out fault memory once more.
12. In the Gateway menu, select Required & actual configuration >>.
13. Check the list for both Required and Actual for the same + or -. If there are deviating specifications, first check if the components are installed on this vehicle.
14. If necessary, change to the Coding menu, and select the non-matching components (e.g., Tyre pressure monitoring system) and code the components with F8.
15. In the Gateway menu, select Required & actual configuration >> and check the list once again.
16. Read out and erase fault memory.

Programming gateway control unit

INFORMATION:
- If the "old" control module can no longer be read out, the coding must be performed "manually" with the PIWIS tester 9718. This is to adapt the Gateway control module to the vehicle and equipment.
- During coding, 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.
- The Porsche System Tester 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 Porsche System Tester.

1. Connect the Porsche System Tester to the vehicle and start the System Tester. Switch on the ignition. >> Continue.
2. Select vehicle type using the cursor keys.
3. Move from vehicle type to the list of control units >>.
4. Select Gateway with the cursor keys and press the >> key.
5. Select the Coding menu >>.
6. Select the individual systems/components in turn and code the vehicle-dependent equipment with F8.
7. In the Gateway menu, select Required & actual configuration >>.
8. Check the list for both Required and Actual for the same + or -. If there are deviating specifications, first check if the components are installed on this vehicle.
9. If necessary, change to the Coding menu, and select the non-matching components (e.g., Tyre pressure monitoring system) and code the components with F8.
10. In the Gateway menu, select Required & actual configuration >> and check the list once again.
11. In the menu Vehicle type, select Control units and then select the menu Special functions.
12. Perform Vehicle handover and follow the instructions of the tester.
13. Read out and erase fault memory.
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