Actual values

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2004 Porsche Boxster, 2003 Porsche Boxster, 2002 Porsche Boxster, 2001 Porsche Boxster, and 2000 Porsche Boxster. However, it is still accessible from the selected car via links, so may be relevant.

The following can be read out under the menu item: the supply voltage and the speed.

Supply voltage
Vehicle speed

to be read out.

ACTUAL VALUES MENU ITEM - FUNCTION (EXTERNAL HARMAN AMPLIFIER)

Menu item	Function
"BULL" External Harman amplifier supply voltage	Under this menu item, the supply voltage of the external Harman amplifier can be read out during troubleshooting. Connect and start the Porsche System Tester II 9588 and switch on the ignition Select Boxster (986) in the Vehicle type menu and confirm with the ">>" key Select PCM in the Control units menu and confirm with the ">>" key Select External Harman amplifier in the PCM2/CDR23 function selection and confirm with the ">>" key Select Actual values in the External Harman amplifier function selection and confirm with the ">>" key. Select Supply voltage in the External Harman amplifier actual values function selection and confirm with the ">>" key Read out values from the display field
"BULL" Vehicle speed	Connect and start the Porsche System Tester II 9588 and switch on the ignition Select Boxster in the Vehicle type menu and confirm with the ">>" key Select PCM in the Control units menu and confirm with the ">>" key Select External Harman amplifier in the PCM2/CDR23 function selection and confirm with the ">>" key Select Actual values in the External Harman amplifier function selection and confirm with the ">>" key. Select Speed in the External Harman amplifier actual values function selection and confirm with the ">>" key Read out values from the display field

Menu item

Function

"BULL" External Harman amplifier supply voltage

Under this menu item, the supply voltage of the external Harman amplifier can be read out during troubleshooting.

Connect and start the Porsche System Tester II 9588 and switch on the ignition
Select Boxster (986) in the Vehicle type menu and confirm with the ">>" key
Select PCM in the Control units menu and confirm with the ">>" key
Select External Harman amplifier in the PCM2/CDR23 function selection and confirm with the ">>" key
Select Actual values in the External Harman amplifier function selection and confirm with the ">>" key.
Select Supply voltage in the External Harman amplifier actual values function selection and confirm with the ">>" key
Read out values from the display field

"BULL" Vehicle speed

Connect and start the Porsche System Tester II 9588 and switch on the ignition
Select Boxster in the Vehicle type menu and confirm with the ">>" key
Select PCM in the Control units menu and confirm with the ">>" key
Select External Harman amplifier in the PCM2/CDR23 function selection and confirm with the ">>" key
Select Actual values in the External Harman amplifier function selection and confirm with the ">>" key.
Select Speed in the External Harman amplifier actual values function selection and confirm with the ">>" key
Read out values from the display field