91901900 Removing and installing control unit for telephone
WM 919019 Removing and installing control unit for telephone
Technical values
Preliminary work
Preliminary work - telephone control unit
-> 720119 Removing and installing front seat - section on "removing" 720119 Removing and Installing Front Seat
Removing control unit for telephone
Installation position shown on the 997
1. Unscrew the two fastening screws -1- and rotate the cover and telephone control unit by 180°.
Fastening screws for cover
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.
2. Press latch on the electric plug -A- , open the locking lever -a- , and remove plug.
Inserting the plug
3. Press latch on the electric plug -B- for the optical waveguide and remove plug.
4. Undo both fastening screws -2- on the telephone control unit and pull the control unit from the cover.
Pulling the control unit from the cover
Installing control unit for telephone
WARNING
If the wiring at the telephone holder is not routed correctly, the wires can catch at the seat.
- Danger of destroying/damaging wire harness for the telephone control unit
-> The wire harness at the telephone holder must not be routed over the edge.
Information
The routing of the wire harness for the control unit must be checked before installing the seat.
Routing of wire harness
The wire harness must not be routed over the cover, but should be laid along side the cover -A-.
1. Insert control unit into the cover and screw tight with the two fastening screws -2-. => Tightening torque: 2 Nm (1.5 ftlb.)
Inserting the control unit in the cover.
2. Push in electrical plug connections -C, B - until plugs are felt to engage.
Inserting the connectors
3. Position plug -A- and close with the locking lever until the retainer clicks into place.
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: 5 Nm (3.5 ftlb.)
Fastening screws for cover
If a new telephone control unit has been installed, it must be programmed (coded) in the vehicle. -> 919019 Removing and installing telephone control unit - section on "coding"
Subsequent work
Subsequent work - telephone control unit
-> 720119 Removing and installing front seat - section on "installing" 720119 Removing and Installing Front Seat
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.
Information
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 off ignition and replace control unit.
9. Switch on ignition. Select Control unit replacementWrite in coding >> to install the data that was read out.
10. Change to the Coding menu, select the following coding variants in sequence and code the vehicle equipment by pressing F8. Follow the instructions on the Tester.
10.1. Vehicle type vehicle coding
10.2. Vehicle version vehicle coding
10.3. Air conditioning
10.4. Right/left-hand drive vehicle coding
10.5. Engine version
11. Switch to Telephone function selection and then read out the fault memory and erase it.