Workshop Manuals Factory service & repair Fiat
01 General information02 Specifications03 Manufacturing data and tolerances04 Tightening torques05 Fluids and lubricants06 Maintenance07 Diagnostic checks08 Engine09 Clutch10 Gearbox and differential11 Axles and driveshafts12 Brakes13 Steering14 Suspension and wheels15 Heating, air conditioning and auxiliary units16 Electrical equipment17 Body fittings18 Body panels and frame19 Wiring diagrams and electrical functions20 Wiring harnesses21 Connectors and pin-outs22 Fault diagnosis23 Special tools
Fiat Croma Factory Service Manual (2005-2010)16 · Electrical equipment
16 · Electrical

Siren operation check

Make
Fiat
Model
Croma Factory Service Manual
Year
2005–2010
Section
Special accessories › Siren operation check
Electrical equipmentSiren operation check

SIREN OPERATION CHECK

Check 5580EB

CHECK TO BE PERFORMEDRESOLUTION IF THE CHECK IS NOT OK
1

Connect the diagnostic instrument in Voltmeter mode with the positive terminal on Pin 1 and the negative earthed to Pin 3 of the alarm siren

See P090 ALARM SIREN

The direct voltage reading should be 12 Volt.

Restore the connections between the Body Computer node, siren and earth

See E7015 ALARM

2

Disconnect the siren connectora Body Computer connector B and check the continuity of the wiring between Pin 2 of the siren connector and Pin 25 of Body Computer connector B

See P090 ALARM SIREN

See M001 BODY COMPUTER

Restore wiring continuity

See E7015 ALARM

3

Check the insulation of the earth line

See E7015 ALARM

Restore wiring insulation
4

Replace the siren

Op. 5580E40 ANTI-THEFT DEVICE SIREN - R+R

- Siren

SIREN OPERATION CHECK

- Siren pinout

1. Power supply

2. Serial line

3. Earth

4. N.C.

Parts & tools for this job For 2005 Fiat Croma

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