911 Carrera 4 Cabriolet (996) F6-3.4L (1999)
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Gateway start-up condition is read out.
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MOST installed components list (required and actual installed components list) is analysed.
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Start the ring break diagnosis.
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The results are displayed by the 9588 Porsche System Tester II
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Connect and start the 9588 Porsche System Tester II and switch on the ignition.
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Select 'Cayenne' in the Vehicle type menu and confirm with the [>>] key.
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Select 'PCM2' in the Control modules menu and confirm with the [>>] key.
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Select 'MOST components check' in the PCM2 function selection and confirm with the [>>] key.
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Select "MOST system check (ignition on)" in the Cayenne PCM2 MOST components check function selection
and confirm with the [>>] key.
Diagnosis, Open Circuit In Distribution Line (Ignition On.)
This check must only be carried out when the engine is not running.
Menu item
Function
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Diagnosis, ring break
The ring break diagnosis carries out
diagnosis (ignition on.)
the following checks:
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Gateway start-up condition is read out.
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MOST installed components list (required and actual installed components list) is analysed.
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Start the ring break diagnosis.
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The results are displayed by the 9588 Porsche System Tester II
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Connect and start the 9588 Porsche System Tester II and switch on the ignition.
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Select 'Cayenne' in the Vehicle type menu and confirm with the [>>] key
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Select 'PCM2' in the Control modules menu and confirm with the [>>] key.
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Select 'MOST components check' in the PCM2 function selection and confirm with the [>>] key.
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Select "Ring break diagnosis (top)" in the Cayenne PCM2 MOST components check function selection and
confirm with the [>>] key.
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Follow the Tester instructions.
Optical Performance Check
Menu item
Function
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Optical performance check
The optical performance check allows the performance of the MOST to be checked optically. The following
checks are carried out automatically:
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MOST installed components list (required and actual installed components list) is analysed.
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External MOST components display.
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Carrying out the performance check.
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The result is displayed by the tester.
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Connect and start the 9588 Porsche System Tester II and switch on the ignition.
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Select 'Cayenne' in the Vehicle type menu and confirm with the [>>] key
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Select 'PCM2' in the Control modules menu and confirm with the [>>] key.
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Select 'MOST components check' in the PCM2 function selection and confirm with the [>>] key.
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Select "Optical performance check" in the Cayenne PCM2 MOST components check function selection and
confirm with the [>>] key.
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Follow the Tester instructions.
Data Transmission Check
Menu item
Function
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Data transmission check
Using this menu item, the quality of the data transmission can be assessed.
This is a counter which leads to an increase in the value if faults occur within a certain time period. The check is
carried out continuously at predetermined intervals.
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Connect and start the 9588 Porsche System Tester II and switch on the ignition.
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Select 'Cayenne' in the Vehicle type menu and confirm with the [>>] key.
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Select 'PCM2' in the Control modules menu and confirm with the [>>] key.
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Select 'MOST components check' in the PCM2 function selection and confirm with the [>>] key.
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Select "Data transmission check" in the Cayenne PCM2 MOST components check function selection and
confirm with the [>>] key.
MOST System Check (With Engine Running)
