WwwWorkshop Manualscouk

911 Carrera (996)

Alarm system diagnosis

Fault, Fault code

Possible causes, elimination, notes

In the menu item Input signals, select "Driver's side locked" and "Passenger's side locked" and compare the switch positions with the input signals table.

Pull plugs I and II off the alarm system control module

Pull plug off door lock (driver's side passenger's side)

Pull plug off Switch for central locking

Voltmeter at plug I pin 29 and ground Voltmeter display: 0 V

Ohmmeter at alarm system control module plug I pin 29 and ground

Ohmmeter on alarm system control module plug I pin 29 and plug on switch for central locking pin 1

Voltmeter at plug II pin 8 and ground

Voltmeter display: Battery voltage

If 0 V is displayed, check fuse C3

Voltmeter at plug II pin 9 and ground

Ohmmeter on alarm system control module plug II pin 9 and ground

Ohmmeter on alarm system control module plug II pin 9 and pin 2 of both plugs on door lock (driver's side / passenger's side)

Voltmeter at plug I pin 5 and ground

Do It Yourself Car Diagnosis

Do It Yourself Car Diagnosis

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