MOST system check (when the engine is running)

MOST SYSTEM CHECK (WHEN ENGINE RUNNING)

Menu item	Function
MOST system check (when the engine is running)	Using this menu item, an automatic MOST system check can be carried out with the ignition on. The following checks are carried out automatically and their results displayed. Startup status Gateway is read out. MOST installed components list (required and actual installed components list) are analysed. Diagnosis of the ring line. 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 units menu and confirm with the "FORWORD" key Select MOST components check in the PCM2 function selection and confirm with the "FORWORD" key. Select MOST system check (bottom) in the 911 (996) PCM2 MOST components check function selection and confirm with the "FORWORD" key. Follow the instructions of the tester When there are several ring breaks, the first ring break is always displayed in the order: PCM2 Gateway > external amplifier External amplifier > CD changer CD changer > telephone Telephone > PCM2 MMI Then the check is terminated Start the optical performance check.

Menu item

Function

MOST system check (when the engine is running)

Using this menu item, an automatic MOST system check can be carried out with the ignition on. The following checks are carried out automatically and their results displayed.

Startup status Gateway is read out.
MOST installed components list (required and actual installed components list) are analysed.
Diagnosis of the ring line.
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 units menu and confirm with the "FORWORD" key
Select MOST components check in the PCM2 function selection and confirm with the "FORWORD" key.
Select MOST system check (bottom) in the 911 (996) PCM2 MOST components check function selection and confirm with the "FORWORD" key.
Follow the instructions of the tester

When there are several ring breaks, the first ring break is always displayed in the order:

PCM2 Gateway > external amplifier
External amplifier > CD changer
CD changer > telephone
Telephone > PCM2 MMI

Then the check is terminated

Start the optical performance check.