996 Carrera Group 0 Part 2 Diagnosis / PAGE 218
Fault, Fault code Possible causes, elimination, , notes · Voltmeter at alarm system control module plug I pi
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911 Carrera (996) Alarm system diagnosis
Fault, Fault code Possible causes, elimination, , notes
Voltmeter at alarm system control module plug I pin 32 and ground
Voltmeter display: a V
Ohmmeter at alarm system control module plug I pin 32 and ground
Ohmmeterdisplay: 00.Q
Ohmmeter at alarm system control module plug I pin 32 and plug on
driver/passenger side door lock pin 3
Ohmmeterdisplay: < 5 .0.
If no faults are detected in the wire, replace the door lock.
Test point 46
Signalfrom airbagdetected This fault is stored in the memory if the airbag control module transmits
Fault code 48 a signal to the alarm system control module after the airbag has been
triggered. This is a triggering log.
1. Clear fault memory.
Switch ignition off and then on again.
Check whether the fault appears again.
If the fault reappears,pull off plug II on alarm system control module.
Ohmmeteron alarm system control module plug II pin 1 and ground
Ohmmeterdisplay: < 5 .Q
Check the entire system for operation.
Test point 47
K-lead This fault is stored in the memory if the K-leadhas a short to ground
Fault code 49 for at least 2 s when the ignition is switched on.
Connectspecial tools 9616 and 9617 and switch on ignition.
Connectohmmeterto special tool 9616, pin 2 and to ground to check
for open circuit.
90 -D 51
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