Replacing TV Tuner
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 .
- 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 program
→ Prior to disconnecting the control unit, switch off ignition and remove 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.
- Connect the Porsche System Tester to the vehicle and start the System Tester. Switch on ignition and press [F12] to continue.
- Select the vehicle type and start the PIDT.
- Select the required control unit TV tuner in the overview .
- Select Maintenance/repairs .
- Select Control unit replacement and press [F12].
- Read data and press [F12].
- Press [F8] to start reading out data.
- Check the chassis number and press [F12].
- Switch off ignition.
Information
If a new TV tuner is installed, there must be no signals at the optical waveguide connector (disconnected optical waveguide connector does not light up).
Given this, the battery must be disconnected before installing a new TV tuner.
- Disconnect the battery. → 2X00IN WORK INSTRUCTIONS AFTER DISCONNECTING THE BATTERY .
- Replace the control unit. → 911719 REMOVING AND INSTALLING TV TUNER .
- Connect the battery. → 2X00IN WORK INSTRUCTIONS AFTER DISCONNECTING THE BATTERY
- 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.
- The System Tester displays the message Data has been written . Press [F12] to continue.
- Read out the fault memory and erase it if necessary.
- In the Coding/adaptation menu, select Automatic coding and press [F12].
- Read out the fault memory and erase it if necessary.
- Carry out a function test on the TV tuner.