Radio, Stereo, and Compact Disc: Testing and Inspection

Actual values

It is possible to read out the following values under the 'Actual values' menu item:
- Vehicle speed
- Transmission errors
- Unlock counter
- Supply voltage

Menu item Function

- Vehicle speed You can read out the speed during troubleshooting under this menu item.
- Connect and start the 9588 Porsche System Tester II and switch on the ignition.
- Select '911 (996)' in the Vehicle type menu and confirm with the [>>] key.
- Select 'PCM' in the Control modules menu and confirm with the [>>] key.
- Select 'External Harman amplifier' in the 911 (996) PCM2 function selection and confirm with the [>>] key.
- Select 'Actual values' in the 911 (996) external Harman amplifier function selection and confirm with the [>>] key.
- Select 'Speed' in the 911 (996) external Harman amplifier actual values function selection and confirm with the [>>] key.
- Read out values from the display field.

- Transmission errors Under this menu item, it is possible to check the electrical and optical MOST during troubleshooting.
- Connect and start the 9588 Porsche System Tester II and switch on the ignition.
- Select '911 (996)' in the Vehicle type menu and confirm with the [>>] key.
- Select 'PCM' in the Control modules menu and confirm with the [>>] key.
- Select 'External Harman amplifier' in the 911 (996) PCM2 function selection and confirm with the [>>] key.
- Select 'Actual values' in the 911 (996) external Harman amplifier function selection and confirm with the [>>] key.
- Select 'Transmission errors' in the 911 (996) external Harman amplifier actual values function selection and confirm with the [>>] key.
- Read out values from the display field.

- Unlock counter Under this menu item, it is possible to check the electrical and optical MOST during troubleshooting.
- Connect and start the 9588 Porsche System Tester II and switch on the ignition.
- Select '911 (996)' in the Vehicle type menu and confirm with the [>>] key.
- Select 'PCM' in the Control modules menu and confirm with the [>>] key.
- Select 'External Harman amplifier' in the 911 (996) PCM2 function selection and confirm with the [>>] key.
- Select 'Actual values' in the 911 (996) external Harman amplifier function selection and confirm with the [>>] key.
- Select the"Unlock counter" menu item using the [>] key and confirm with the [>>] key.
- Read out values from the display field.

- Supply voltage You can check the supply voltage of the external Harman amplifier during troubleshooting using this menu item.
- Connect and start the 9588 Porsche System Tester II and switch on the ignition.
- Select '911 (996)' in the Vehicle type menu and confirm with the [>>] key.
- Select 'PCM' in the Control modules menu and confirm with the [>>] key.
- Select 'External Harman amplifier' in the 911 (996) PCM2 function selection and confirm with the [>>] key.
- Select 'Actual values' in the 911 (996) external Harman amplifier function selection and confirm with the [>>] key.
- Select 'Supply voltage' in the 911 (996) external Harman amplifier actual values function selection and confirm with the [>>] key.
- Read out values from the display field.