Fault diagnosis withoutdiagnostic trouble codes

Fault diagnosis without diagnostic trouble codes

Fault symptom	Function
ISAT scan tool does not make contact with the control module	Fault diagnosis, data link connector
Starter motor not working The alarm does not trip when the theft alarm is armed The starter motor runs at different ignition positions	Fault diagnosis, starter immobilizer +50
The alarm is not set off when the ignition is switched on	Fault diagnosis, +15 supply
Not working	Fault diagnosis, +30 supply
Fuel pump relay not working	Fault diagnosis, fuel pump relay
LED not lighting	Fault diagnosis, LED
Doors disconnected from alarm	Fault diagnosis, door switches in central locking system
Alarm not set off if the hood is opened when the alarm is armed	Engine, hood switch
Remote control not working	Fault diagnosis, remote control
Glass breakage sensor not working	Fault diagnosis, glass breakage sensor
Direction indicators lit continuously/do not light	Fault diagnosis, direction indicators
The horn sounds continuously	Fault diagnosis, horn
Tailgate disconnected from alarm. LED flashes during delay period.	Fault diagnosis, luggage compartment illumination switch
Not possible to disarm tailgate/driver door using key	Fault diagnosis, remote control, tailgate opening
Door indication not working when driver door opened	Fault diagnosis, door indication, driver door
The alarm is not armed after the interior lighting with time delay	Fault diagnosis, door indication, driver and passenger doors
Alarm sounds falsely	Fault diagnosis false alarm