A015 ALARM RINGING WITHOUT A REASON - Fiat - NUOVA BRAVO - eLearn

198001672 - A015 ALARM RINGING WITHOUT A REASON

With the alarm on, the alarm cycles are set off without any apparent cause and without any attempts to break into the vehicle.

If it is not possible to stop the siren and deactivate the alarm using the remote control, simply turn the key to the MAR positionThe system can therefore recognize the transponder and be authorised to deactivate the alarm system

1	CHECK USING DIAGNOSTIC EQUIPMENT	ALL OK	PROBLEMS ENCOUNTERED	ACTION
		TEST RESULTS
	Connect the Examiner equipment to the diagnostic socket and check at the body computer node in the alarm memory for:· Possible presence of errors	Move on to Step 2	1. Volumetric protection activated2. Anti-tilt protection activated3. Presence of errors	1. Move on to Step 22. Move on to Step 33. Proceed as instructed by the diagnostic equipment
2	VOLUMETRIC PROTECTION CHECK	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check that no insect has entered the passenger compartment that could have moved around to set off the alarm or any moving object that may have been detected by the ultrasound sensors.Check that the vehicle windows are properly shut, especially if there are strong winds.	Move on to Step 3	1. Insect in the passenger compartment that is detected by the ultrasound sensors when it moves around.2. Vehicle windows open when there are strong winds.	1. Remove the cause of the alarm activation.2. Close the car windows.
3	ANTI-LIFTING/ULTRASOUND PROTECTION CHECK	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Connect the Examiner diagnostic equipment to the diagnostic socket and check body computer node in active diagnosis mode to ensure that the ultrasound and anti-tilt sensors are working properly.Connect the Examiner diagnostic equipment to the diagnostic socket and check body computer node in active diagnosis mode to ensure that the ultrasound sensors are working properly.	Move on to Step 4	1. Anti-tilt sensor faulty2. Ultrasound waves faulty.	1. Replace the anti-tilt and ultrasound sensors module.2. Replace the anti-tilt and ultrasound sensors module.
4	PERIPHERAL PROTECTION CHECK	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Connect the Examiner diagnostic equipment to the diagnostic socket and check at the body computer node that the microswitches for the doors, bonnet and boot are working properly. In particular, check that there are no problems when the doors are closed	Move on to Step 5	Peripheral microswitch faulty.	Replace the faulty lock.
5	CHECK USING DIAGNOSTIC EQUIPMENT	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Connect the Examiner diagnostic equipment to the diagnostic socket and check the condition of the A-Bus serial line between the Body Computer Node and the siren at the Body Computer Node in active diagnosis See Test 5580EB SIREN OPERATION CHECK	Move on to Step 6	Fault at A-BUS serial line	Repair the correct A-BUS serial line See E7015 ALARM
6	SIREN POWER SUPPLY CHECK	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check that the siren power supply is correct and check the condition of the connections See Test 5580EB SIREN OPERATION CHECK	End of diagnosis	1. Power supply for the siren not correct due to a drop in voltage in the wiring.2. Vehicle battery run down (voltage below 8 Volt)3. Body computer defective	1. Restore the correct power supply See E7015 ALARM2. Recharge the battery3. Replace body computer Op. 5505A35 MAIN BODY COMPUTER/JUNCTION UNIT - R.R.