96-31Fault code 25 · No terminal 86 S recognised

911 Turbo (996) Alarm system I 48 96 96-31Fault code 25 No terminal 86 S recognised Diagnostic conditions • Ignition on Possible cause of fault ♦Terminal 86 S is not detected when terminal 15 is switched on ♦Fuse E1 faulty ♦Short circuit to ground/open circuit in the wiring between the alarm system control module and the ignition lock ♦Ignition lock defective Affected terminals Plug A, terminal 16 Diagnosis/troubleshooting Work instruction Display OK If not OK 1 Check fuse ♦Check fuse E 1 ⇒ Step 2 Replace fuse E 1 → End 2 Check wiring from ignition ♦Switch off ignition > 11 V ⇒ Step 5 lock to fuse carrier for ⇒ Step 3 ♦Pull off fuse E 1 open circuit ♦Switch on ignition ♦Measure voltage between fuse carrier (fuse E 1) pin 1 and ground 3 Check the wire from the ♦Switch off ignition > 11 V ⇒ Step 4 fuse carrier to the alarm ⇒ Step 7 ♦Pull plug A off the alarm system system control module control module for open circuit ♦Switch on ignition ♦Measure voltage between plug A on control module pin 16 and ground 4 Check the wire from the ♦Switch off ignition < 5Ω Repair wiring har- fuse carrier to the alarm ⇒ Step 6 ness ♦Measure resistance between system control module → End plug A on alarm system control for open circuit module pin 16 and fuse E 1 pin 2 9601 Fault code 25 96-31 page 1 Printed in Germany – 4, 2001 25xxxi48