Porshe 911 (997). Manual - part 677

Subsequent work

Subsequent work for triggering unit

1. If installed, install control unit for tilt sensor. → 966319 Removing and installing control unit for tilt

sensor - chapter on "Installing"

2. Connect battery. → 271000  Work instructions after disconnecting the battery

3. Install centre console. → 681719 Removing and installing centre console - chapter on "installing"

4. Install centre console cover. → 681919 Removing and installing centre console cover - chapter on

"installing"

5. Install left and right covers of console. → 681419 Removing and installing centre console cover -

chapter on "installing"

Programming triggering unit

Triggering unit - reading out and writing in data

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.

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3. Move from vehicle type to the list of control units. Locking is only possible after an automatic control unit

search.

4. Select Posip 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

>> .

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. 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 >> , compare Vehicle identification number

and confirm.

11. With the cursor keys on Posip - Replacing control unit, after replacement of the control unit, the

read-out data (see Section 6) are installed under the menu Write in data press >> .

12. System Tester displays Codes successfully written in. Press >> .

13. Locking is only possible after an automatic control unit search.

Lock triggering unit:

14. Change to the menu Posip - lock and press >> .

15. Select the country-specific Equipment and press >> .

16. Start Lock with F8 .

17. Observe message on Tester.

18. Quit menu, carry out a test drive, and read out fault

memory.

Coding triggering unit

Coding triggering 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.

Diagnostic system: reading out fault memory and activating systems

Triggering unit - reading out and writing in data

2866

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. Switch to the Special functions menu and perform the vehicle handover using the F8 key.

3. In the Special functions menu, erase All fault memories >> , compare Vehicle identification number

and confirm.

4. Select vehicle type using the cursor keys.

5. Using the >> , move from the vehicle type to the list of control units. Locking is only possible after

an automatic control unit search.

6. Select Posip with the cursor keys and press >> .

7. Select Coding and press the >> .

8. Select Thorax driver and code with F8 .

Thorax driver

yes

no

9. Select Thorax driver and code with F8 .

Thorax passenger

yes

no

10. Select Head airbag driver and code with F8 .

Head airbag driver

yes

no

11. Select Head airbag passenger and code with F8 .

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Head airbag passenger

yes

no

12. Select Front airbag driver and code with F8 .

Front airbag driver

yes

no

13. Select Front airbag passenger and code with F8 .

Front airbag passenger

yes

no

14. Select Seat-belt tensioner driver and code with F8 .

Seat-belt tensioner driver

yes

no

15. Select Seat-belt tensioner passenger and code with F8 .

Seat-belt tensioner passenger

yes

no

16. Select Front sensor driver and code with F8 .

Front sensor driver

yes

no

17. Select Front sensor passenger and code with F8 .

Front sensor passenger

yes

no

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