Reading Out And Writing Loudspeaker Amplifier
- 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
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.
- Connect the Porsche System Tester to the vehicle and start the System Tester. Switch on the ignition and press >> to continue.
- Select the vehicle type.
- Using the [>>] key, move from Vehicle type to the list of Control units and perform the automatic control unit search.
- Select PCM using the cursor keys and press [>>].
- Select External BOSE amplifier with the cursor keys and press the [>>] key.
- Select Coding using the cursor keys and press [>>].
- Select Read out coding (codings) with the cursor keys and press [>>].
- Replace loudspeaker amplifier. → Removing Loudspeaker Amplifier
- In the menu Write in coding
[>>], the data that was read out is installed.
Information
After replacing the loudspeaker amplifier, the new loudspeaker amplifier must also be programmed using the Control unit programming function.
The Control unit programming procedure must be carried out for vehicles for which this function is displayed on the Tester.
Start Control unit programming by pressing [F8], then follow the instructions on the Tester.
- Compare the coding with the vehicle equipment in the Coding function and change the coding if necessary.
- Read out and erase fault memory.