PCM2/CDR23 911 Turbo (996)91 · • Never start engine without securely connected battery.

PCM2/CDR23 911 Turbo (996)91 • Never start engine without securely connected battery. • Never pull off or push on plug connections for the control modules or other electronic components when the ignition is switched on. General information on the fault memory Fault code setting conditions Fault codes can be set in several circumstances, e.g.: ♦battery disconnected. ♦plug connections disconnected. ♦power failure. In these circumstances, no fault is present in the system and the fault memory must be erased. Display '*' in the menu 'Control modules' and menu 'PCM2 MOST component check'. Different required and actual installed components lists When the 'automatic control module search' is complete, the follow- ing display '*' appears in front of the control module description 'PCM2' in the 'Control modules' menu, as well as in the 'PCM2 MMI function selection' in front of the entry 'MOST required installed components list' if the 9588 Porsche System Tester ll establishes a difference between the required and actual installed components list and there is no fault code in one of the fault memories of the MOST control modules. If there is a fault code present in one of the MOST control modules, the display '*' is only shown in the 'PCM2 MMI function selection' in front of the line 'MOST required installed components list'. If there is a display in the menu Control module, an existing fault code has priority and a '#' is set. Fault memory Info key F8 In order to be able to assess the fault exactly, the fault memory Info key F8 must be pressed. This information should be saved using the Save key F4 and printed out. If a fault code is stored with "not present" status and no other problems are present, then the fault memory must be erased. 91-85 page 2 9101 Introduction – external Harman amplifier EINVSlwl Printed in Germany – 43, 2003