PCM2/CDR23 911 Turbo (996)91 · If no fault code is stored, the '*' symbol indicates a 'varying

PCM2/CDR23 911 Turbo (996)91 If no fault code is stored, the '*' symbol indicates a 'varying required and actual installed components list' in the Control mod- ules menu in front of the 'PCM2' system and in the 'PCM2 MMI func- tion selection' in front of the selection 'MOST required installed components list'. A comparison of these two lists can determine faulty components. Data transmission check Note! Using the function 'Reset all coding/transfer counters' all set fault counters of all components can be collectively reset to '0'. Menu item Function ♦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 predeter- mined intervals. ♦9588 Connect and start the Porsche System Tester II and switch on the ignition. ♦Select '911 Turbo (996)' in the Vehicle type menu and confirm with the >> key. ♦Select 'PCM2' in the Control modules menu and confirm with the >> key. ♦Select 'MOST components check' in the PCM2 function selection and confirm with the >> key. ♦Select "Data transmission check" in the 911 Turbo (996) PCM2 MOST components check function selection and confirm with the >> key. MOST system check (with engine running) 91-104 page 8 9101 Control module function - external BOSE amplifier SgfVBlwl Printed in Germany – 43, 2003