96-17Fault code 11 · Voltage failure during alarm output

911 Turbo (996) Alarm system I 48 96 96-17Fault code 11 Voltage failure during alarm output Diagnostic conditions • Voltage failure during alarm triggering Possible cause of fault ♦Low battery positive voltage ♦Open circuit in wiring to the control module Affected terminals Plug B, terminal 7 Diagnosis/troubleshooting Work instruction Display OK If not OK 1 Visual inspection ♦Check plug B on alarm system ⇒ Step 2 Repair plug B or wir- control module for contact and ing harness corrosion → End 2 Check power supply (ter- ♦Switch off ignition > 11 V ⇒ Step 3 minal 30) ⇒ Step 7 ♦Unplug plug B from the "alarm system" control module. ♦Measure voltage between plug B on control module pin 7 and ground 3 Check wire from the "mini ♦Pull off mini relay in the fuse box < 5Ω Repair wiring har- relay" to the alarm system ⇒ Step 4 ness ♦Measure resistance between control module for open → End plug B on control module pin 7 circuit and pin 1 on the mini-relay car- rier 4 Check wire from the cur- ♦Measure voltage between the > 11 V Repair wiring har- rent distributor (F5) to the mini-relay carrier pin 4 and ⇒ Step 5 ness or check fuse mini-relay carrier ground in current distributor → End 5 Check wire from ground ♦Measure resistance between the < 5 Ω Repair wiring har- point 3 to the mini-relay mini-relay carrier pin 5 and ⇒ Step 6 ness or check carrier ground ground point 3 for corrosion → End 6 ♦Replace mini relay → End 7 ♦ Replace control module → End 9601 Fault code 11 96-17 page 1 Printed in Germany – 4, 2001 11xxxi48