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Alfa Romeo 159 Factory Service Manual (2005-2011)23 · Fault diagnosis
23 · Diagnostics

Alarm does not go off with boot release

Make
Alfa Romeo
Model
159 Factory Service Manual
Year
2005–2011
Section
Alarm › Alarm does not go off with boot release
Fault diagnosisAlarm does not go off with boot release

ALARM DOES NOT GO OFF WITH BOOT RELEASE

1.9 JTS, 2.2 JTS, 3.2 JTS, 1.9 JTD 8V, 1.9 JTD 16V, 2.4 JTD 20V

When the opening of the boot is requested using the remote control or mechanical key, the alarm system does not switch off

In operational mode, the system, on receiving the boot lid opening command, disables the volumetric/anti-tilt external modules and the perimeter protection from the boot switch inlet.

Test results
1CHECK USING DIAGNOSTIC EQUIPMENTAll OKProblems encounteredOperation
Connect the diagnostic equipment to the body computer node and check, the parameters ambient, that the boot lid status (open or closed) is correctly received.Move on to Step 4The status of the boot lid is not received.Move on to Step 2
2ELECTRICAL CIRCUIT CHECKAll OKProblems encounteredOperation
Check that the electrical connection between the boot lid switch and the body computer node is not broken or insulated.Move on to Step 3Electrical connection broken or not insulated.

Proceed with restoring the continuity/insulation of the electrical connection between the boot lid switch and the body computer node

See E7015 ALARM

3COMPONENT OPERATION CHECKAll OKProblems encounteredOperation

Disconnect the connector, body computer node side, and check for the presence of the boot lid open/closed signal

See E7015 ALARM

Move on to Step 4Boot lid electric switch not working.

Replace the boot lid lock

Op. 7015B10 SINGLE TAILGATE LOCK - R+R OR REPAIR WITH PANEL/PROTECTION REMOVED

4CHECK ON CORRECT OPERATIONAll OKProblems encounteredOperation
Check that the fault is no longer present.End of diagnosisThe fault persists.

Replace the Body Computer Node

Op. 5505A32 BODY COMPUTER - R.R

Parts & tools for this job For 2005 Alfa Romeo 159

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