911 Carrera Cabriolet (996) F6-3.4L (1999)
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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 then 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 '911 (996)' in the Vehicle type menu and confirm with the [>>] key.
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Select 'PCM2' in the Control units menu and confirm with the [>>] key.
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Select 'MOST component check' in the PCM2 function selection and confirm with the [>>] key.
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Select "Data transmission check" in the 911 (996) PCM2 MOST component check function selection and
confirm with the [>>] key.
MOST system check (with engine running)
Menu item
Function
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MOST system check
Using this menu item, a MOST system check
(with engine running)
can be carried out with the ignition on. The following checks are carried out automatically and their results are
displayed.
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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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Ring line diagnosis.
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Connect and start the 9588 Porsche System Tester II and switch on the ignition.
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Select '911 (996)' in the Vehicle type menu and confirm with the [>>] key.
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Select 'PCM2' in the Control units menu and confirm with the [>>] key.
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Select 'MOST component check' in the PCM2 function selection and confirm with the [>>] key.
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Select "MOST system check (bottom)" in the 911 (996) PCM2 MOST component check function selection and
confirm with the [>>] key.
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Follow the instructions on the Tester.
Whenever there are several ring breaks, the first ring break is displayed in the following order:
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PCM2 Gateway [>] external amplifier
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External amplifier [>] CD changer
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CD changer [>] telephone
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Telephone [>] PCM2 MMI
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Then, the check is terminated.
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Start the optical performance check.
Ring break diagnosis (with engine running)
Menu item
Function
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Ring break diagnosis
Using this menu item, a ring break
(with engine running)
diagnosis can be carried out (with the engine running)
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Connect and start the 9588 Porsche System Tester II and switch on the ignition.
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Select '911 (996)' in the Vehicle type menu and confirm with the [>>] key.
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Select 'PCM2' in the Control units menu and confirm with the [>>] key.
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Select 'PCM2 GW' in the PCM2 function selection and confirm with the [>>] key.
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Select 'MOST component check' in the PCM2 GW function selection and confirm with the [>>] key.
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Select "Ring break diagnosis (with engine running)" in the 911 (996) PCM2-GW MOST component check
function selection and confirm with the [>>] key.
Vehicle Hand-Over
Vehicle hand-over
The PCM2 is converted to delivery mode (low-current mode) in production. As known from other systems (alarm system, instrument cluster, roll-over
bar), the PCM2 must be activated with the 9588 Porsche System Tester II
1. Connect and start the 9588 Porsche System Tester II and switch on the ignition.
2. Select 'Special functions' in the Vehicle type menu and confirm with the [>>] key.
3. Select 'Vehicle hand-over' in the Control units menu and confirm with the [>>] key.
4. Follow the instructions of the 9588 Porsche System Tester II:
Actual Values
Actual Values