96-28Fault code 22 · Passenger compartment monitoring sensor, short cir-

911 Turbo (996) Alarm system I 48 96 96-28Fault code 22 Passenger compartment monitoring sensor, short cir- cuit to ground Diagnostic conditions • Alarm system primed Possible cause of fault ♦Short circuit to ground/open circuit in the wire between the alarm system control module and the passenger compartment monitoring sensor Affected terminals Plug A, terminal 24 Diagnosis/troubleshooting Work instruction Display OK If not OK 1 Check the wire from the ♦Switch off ignition ∞ Ω Repair wiring har- passenger compartment ⇒ Step 2 ness ♦Pull plug A off the alarm system monitoring sensor to the → End control module alarm system control ♦Pull off the plug on the passen- module for short circuit to ger compartment monitoring ground sensor ♦Measure resistance between plug A on alarm system control module pin 24 and ground 2 Check the wire from the ♦Measure resistance between < 5 Ω Repair wiring har- passenger compartment plug A on alarm system control ⇒ Step 3 ness monitoring sensor to the module pin 24 and plug on pas- → End alarm system control senger compartment monitoring module for open circuit sensor pin 3 3 ♦Replace passenger compartment monitoring sensor → End 9601 Fault code 22 96-28 page 1 Printed in Germany – 4, 2001 22xxxi48