Removing and Installing Control Unit For Telephone

919019 Removing And Installing Control Unit For Telephone

Preliminary work

Technical values

Tightening torques for telephone control unit
Tightening torque 3.5 ftlb. Tightening torque 1.5 ftlb.

Removing control unit for telephone

Installation position:

Fastening screws for cover:

1. Unscrew the two fastening screws-1- and rotate the cover and telephone control unit by 180°.

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.

Inserting the connectors:

2. Press latch on the electrical plug -A-, open the locking lever -a-, and remove plug.
3. Press latch on the electrical plug -B- for optical fibre and remove plug.

Pulling the control unit from the cover:

4. Undo both fastening screws -2- on the telephone control unit and pull the control unit from the cover.

Installing control unit for telephone

Inserting the control unit in the cover:

1. Insert control unit into the cover and screw tight with the two fastening screws -2-. Tightening torque 2 ftlb.

Inserting the connectors:

2. Push in electrical plug connections -C, B - until plugs are felt to engage.
3. Position plug -A- and close with the locking lever until the retainer clicks into place.

Fastening screws for cover:

4. Turn over the cover and telephone control unit, position it on the floor of the vehicle and screw down with fastening screws -1-. Tightening torque 3.5 ftlb.

If a new telephone control unit has been installed, it must be programmed (coded) in the vehicle.

Coding control unit for telephone

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:
- 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. Using the ">>" key, move from Vehicle type to the list of Control units and perform the automatic control unit search.
4. Select PCM2 with the cursor keys and press the ">>" key.
5. Select Telephone with the cursor keys and press the ">>" key.
6. Select Coding using the cursor keys and press ">>".
7. Select Read out coding (codings) with the cursor keys and press ">>".
8. Switch to the Special functions menu and perform the vehicle handover using the "F8" key.
9. In the Special functions menu, erase All fault memories by pressing ">>".
10. Carry out automatic search of control units.
11. In the menu Write in coding ">>", the data read out are installed.
12. In Coding select the version and follow the instructions of the Tester.
13. Read out and erase fault memory.