96-25Fault code 19 · Status lead, signal converter, short circuit to B+

911 Turbo (996) Alarm system I 48 96 96-25Fault code 19 Status lead, signal converter, short circuit to B+ Diagnostic conditions • Terminal 86S switched on Possible cause of fault ♦Short circuit to voltage in wire between the alarm system control module and the signal converter Affected terminals Plug A, terminals 3 and 4 Diagnosis/troubleshooting Work instruction Display OK If not OK 1 Check wiring from signal ♦Switch off ignition ∞ Ω Repair wiring har- converter to control mod- ⇒ Step 2 ness ♦Pull plug A off the control mod- ule for short circuit to → End ule ground ♦Pull plug off the signal converter ♦Measure resistance between plug A on control module pin 4 and ground ♦Measure resistance between plug A on control module pin 3 and ground 2 Check wiring from signal ♦Switch off ignition 0 V Repair wiring har- converter to control mod- ⇒ Step 3 ness ♦Pull plug A off the control mod- ule for short circuit to B+ → End ule ♦Pull plug off the signal converter ♦Switch on ignition ♦Measure voltage between plug A on control module pin 4 and ground ♦Measure voltage between plug A on control module pin 3 and ground 9601 Fault code 19 96-25 page 1 Printed in Germany – 4, 2001 19xxxi48