Porshe 911 (997). Manual - part 143

3. Carry out automatic search of control units.

4. Select DME with the cursor keys and press the >> key.

5. Select Program control unit with the cursor keys and press the >> key.

6. Select Read out vehicle data (Vehicle data) with the cursor keys and press the >>

key.

7. The message Reading vehicle data will appear on the tester

screen.

8. After replacement of the DME control unit, the vehicle data is uploaded from the Program control unit

menu option.

Preliminary work for DME control module in Cabriolet

1. Removing cover over the motor

1.1. To loosen the carpet, pull out the plastic clips with the special tool 21 and take out the carpet.

Removal tool, universal NR.21

If a new DME control unit is installed, then read out the vehicle data from the DME control unit and transfer
them to the new one.

2. Connect the PIWIS Tester 9718 to the vehicle and start the System Tester. Switch on ignition. Press >>

to continue.

3. Select vehicle type and press >> to continue.

4. Carry out automatic search of control units.

5. Select DME with the cursor keys and press the >> key.

6. Select Program control unit with the cursor keys and press the >> key.

7. Select Read out vehicle data (Vehicle data) using the cursor keys and press

>> .

8. The message Reading vehicle data will appear on the tester

screen.

9. After replacement of the DME control unit, the vehicle data is uploaded from the Program control unit

menu option.

General warning notes

General warning notes for control units

WARNING

Sudden voltage interruption of the power supply to the control module.

Destruction of the control module.

• 

Diagnostic system: reading out fault memory and activating systems

Subsequent work on DME control unit

729

→ 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 DME control module

Removing DME control module in Cabriolet

Unscrewing fastening screws

1. Unscrew the four fastening screws -1- for the control module and lift it

out.

Releasing electric connector

WARNING

Risk of damage to electronic control modules.

If care is not taken, electrical and electronic components may be destroyed.

• 

→ Before removing the control module, switch off the ignition and remove the ignition key.

Diagnostic system: reading out fault memory and activating systems

General warning notes for control units

730

2. Press in the connector and pull it off the control module -A- .

3. Press in connector -B- latch and actuate the latching lever.

Installing DME control module

Installing DME control module in cabriolet

Inserting the connectors

1. Push in connectors -B- for DME control module and lock with the latching lever.

2. Press in connectors -A- on the control module they engage.

Tightening fastening screws

3. Fasten control module with the four fastening screws -1- to the roll-over protection

frame.

Subsequent work

Diagnostic system: reading out fault memory and activating systems

Removing DME control module in Cabriolet

731

Subsequent work on DME control unit

1. Place carpet lining in position, paying attention to the fitted

shape.

2. The DME control unit can be programmed using the PIWIS Tester 9718.

Subsequent work for DME control module in Cabriolet

1. Reinstall the carpet over the motor.

2. The DME control unit can be programmed using the PIWIS Tester 9718.

Programming DME control module

Programming new DME 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.

Note

If a new DME control module is to be installed in a vehicle, the DME code specified in IPAS and the
immobiliser code must be entered in the DME control module.
The codes are available from IPAS or via the importer.
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.

Note

During programming, the electric radiator fans may start.

• 

Diagnostic system: reading out fault memory and activating systems

Subsequent work on DME control unit

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