Diagnosis, open circuit in distribution line (ignition on.)

This check must only be carried out when the engine is not running.

OPEN CIRCUIT IN DISTRIBUTION LINE DIAGNOSIS

Menu item	Function
Diagnosis, ring break diagnosis (ignition on.)	The ring break diagnosis carries out the following checks: Gateway start-up condition is read out. MOST installed components list (required and actual installed components list) is analysed. Start the ring break diagnosis. The results are displayed by the Porsche System Tester II 9588. Connect and start the Porsche System Tester II 9588 and switch on the ignition. Select 911 (996) in the Vehicle type menu and confirm with the "FORWORD" key. Select PCM2 in the Control modules menu and confirm with the "FORWORD" key. Select MOST components check in the PCM2 function selection and confirm with the "FORWORD" key. Select Ring break diagnosis (top) in the 911 (996) PCM MOST components check function selection and confirm with the "FORWORD" key. Follow the Tester instructions.

Menu item

Function

The ring break diagnosis carries out the following checks:

Gateway start-up condition is read out.
MOST installed components list (required and actual installed components list) is analysed.
Start the ring break diagnosis.
The results are displayed by the Porsche System Tester II 9588.
Connect and start the Porsche System Tester II 9588 and switch on the ignition.
Select 911 (996) in the Vehicle type menu and confirm with the "FORWORD" key.
Select PCM2 in the Control modules menu and confirm with the "FORWORD" key.
Select MOST components check in the PCM2 function selection and confirm with the "FORWORD" key.
Select Ring break diagnosis (top) in the 911 (996) PCM MOST components check function selection and confirm with the "FORWORD" key.
Follow the Tester instructions.