962755 Replacing switch console
WM 962755 Replacing switch console
Tools
Technical values
Preliminary work
1. If a new control unit has to be installed, the values/coding must be read out using the 2nd generation PIWIS Tester 9818 prior to removing the "old" DME control unit. -> 962755 Replacing switch console - section on "Programming".
2. Remove lower part of centre console cover. -> 68191901 Removing and installing lower part of centre console cover - section on "Removing" 68191901 Removing and installing lower part of centre console cover
Removing switch console
Information
The number of plug connections can vary, depending on equipment.
Installation position of switch console
1. Switch off ignition and remove remote control.
2. Unscrew the two fastening screws -1-.
Releasing switch console mount
3. Unclip and lift switch console.
Unclipping switch console
4. Release plug connections -2- and -3- ( -a- ) and pull them off -B-.
Disconnecting plug connections
5. Release plug connection -4- ( -a- ) and pull it off -B-.
Disconnecting plug connection
6. Release plug connection -5- ( -a- ) and pull it off -B-.
Disconnecting plug connection
Removing left and right strip for switches
1. Unplug electric plug connection -1-.
Removing strip for switches
2. Loosen the fastening screws -2- and remove strip for switches -3-.
Installing switch console
Installing left and right strip for switches
1. Position strip for switches -3- and secure with the fastening screws -2-.
Tightening torque: 0.5 +/- 0.05 Nm (0.5 ftlb. +/- 0.05 ftlb.).
Installing strip for switches
2. Plug in electric plug connection -1-.
Installing switch console
1. Connect plug connection -5- until it engages securely.
Connecting plug connection
2. Connect plug connections -2- and -3- until they engage securely.
Connecting plug connections
3. Connect plug connection -4- until it engages securely.
Connecting plug connection
4. Insert and clip in switch console.
Clipping in switch console
5. Screw in the two fastening screws -1-.
Securing switch console
Subsequent work
1. If the control unit was replaced, the "new" control unit must be adapted to suit the vehicle using the 2nd generation PIWIS Tester 9818. -> 962755 Replacing switch console - section on "Programming".
2. Install lower part of centre console cover. -> 68191901 Removing and installing lower part of centre console cover - section on "Installing" 68191901 Removing and installing lower part of centre console cover
Reading and writing values
NOTICE
Voltage drop
- Risk of irreparable damage to control unit
- Risk of damage to control unit
- Fault entries in the control unit
- Coding in the control unit is aborted
- Malfunctions in control unit, even during programming
-> Prior to disconnecting the control unit, switch off the ignition and remove the ignition key.
-> Ensure that the power supply is not interrupted during programming.
-> Connect a battery charger with a current rating of at least => Nominal value: 40 A to the vehicle battery.
Information
The PIWIS Tester II 9818 instructions take precedence since the description may be different with later Tester releases.
The procedure described here has been structured in general terms. Different text or additional information may appear in PIWIS Tester II 9818.
1. Connect the Porsche System Tester to the vehicle and start the System Tester. Switch on ignition and press F12 to continue.
2. Select the vehicle type and start the PIDT.
3. Select the Air conditioning control unit in the overview.
4. Select Maintenance/repairs.
5. Select Control unit replacement and press F12.
6. Read data and press F12.
7. Press F8 to start reading out data.
8. Check the chassis number and press F12.
9. Switch off ignition and replace control unit. -> 962719 Removing and installing switch console 962719 Removing and installing switch console
10. Switch on ignition. Select the Write data menu (procedure described above), press F12 and then press F8 to start installing the data that was read out.
11. The System Tester displays the message Data has been written. Press F12 to continue.
12. Select the Drive links/checks menu.
13. Select the General function and press F12.
Information
The Compressor run-in function can only be carried out when the engine is running.
If the Compressor run-in function cannot be activated, then carry out the Reset compressor run-in function first.
- Then start the Compressor run-in function again.
If the Compressor run-in function cannot be carried out, the connectors were not connected in the specified sequence (5, 2, 3, 4).
- The vehicle must be moved (driven) until the outside temperature value has been updated.
14. Select the Compressor run-in function, press F12 and then F8 to start.
15. Read out the fault memory and erase it if necessary.
16. Check the function of the switch console during a test drive and read out the fault memory.