Workshop Manuals Factory service & repair Alfa Romeo
01 General information02 Specifications03 Manufacturing data and tolerances04 Tightening torques05 Fluids and lubricants06 Maintenance07 Diagnostic checks08 Engine09 Clutch10 Gearbox and differential11 Transmission (4x4)12 Axles and driveshafts13 Brakes14 Steering15 Suspension and wheels16 Heating, air conditioning and auxiliary units17 Electrical equipment18 Body fittings19 Body panels and frame20 Wiring diagrams and electrical functions21 Wiring harnesses22 Connectors and pin-outs23 Fault diagnosis24 Special tools
Alfa Romeo 159 Factory Service Manual (2005-2011)17 · Electrical equipment
17 · Electrical

Check ignition-operated headlamp power supply

Make
Alfa Romeo
Model
159 Factory Service Manual
Year
2005–2011
Section
Exterior lighting › Check ignition-operated headlamp power supply
Electrical equipmentCheck ignition-operated headlamp power supply

CHECK IGNITION-OPERATED HEADLAMP POWER SUPPLY

Check 5540BJ

STEPCHECK TO BE PERFORMEDRESOLUTION IF THE CHECK IS NOT OK
1

With the ignition ON check for the presence at Pin 9 of the Master headlamp 14-way connector

See F010 LEFT HEADLAMP

and Slave headlamp

See F011 RIGHT HEADLAMP

of a voltage of +12 V.

The test can be considered over

Move on to Step 2
2Check the under-dashboard junction unit to ensure that fuse F37 (in the centre of the second row from the top) has not blownReplace fuse F37 in the under-dashboard junction unit after identifying the reason why it blew
3

Restore wiring continuity between the Body Computer and headlamp

See E2011 DIPPED HEADLAMPS

Parts & tools for this job Staging For 2005 Alfa Romeo 159

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