22 · Diagnostics

Number plate lights not working

Make: Lancia
Model: Thesis Factory Service Manual
Year: 2002–2009
Section: Lights › Number plate lights not working

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Fault diagnosisNumber plate lights not working

NUMBER PLATE LIGHTS NOT WORKING

the number plate lights are switched on directly by the Body Computer Node when the Side Lights on or Parking Lights (four lights) on signals are received.

STEP	OPERATIONS TO BE CARRIED OUT	TEST RESULTS
1	CHECK USING DIAGNOSTIC EQUIPMENT.	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Connect the Examiner diagnostic equipment to the diagnostic socket and check the following at the Body Computer Node: that there are no faults	Move on to Step	No. plate lights short circuitd to earth or open circuit	Move on to Step
2	ELECTRICAL SYSTEM CHECK.	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check the condition of the bulbs. Check the continuity and the insulation of the wiring between the intermediate connection and the number plate lights connector Check the continuity and the insulation of the wiring between the Body Computer Node and the intermediate connection (Wiring Diagram ) E2010 SIDE LIGHTS/NUMBER PLATE LIGHT	Move on to Step	1. Bulbs burnt out	1. Replace the bulbs
			2. Connection between intermdiate connection and no. plate lights connector broken	2. Restore the electrical connection (Wiring Diagram ) E2010 SIDE LIGHTS/NUMBER PLATE LIGHT
			3. Connection between Body Computer Node and intermediate connection broken	3. Restore the electrical connection (Wiring Diagram ) E2010 SIDE LIGHTS/NUMBER PLATE LIGHT
3	CHECK USING DIAGNOSTIC EQUIPMENT.	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Keeping the Examiner diagnostic equipment connected, check the operation of the no. plate light bulbs in active diagnosis	Move on to Step	No lights come on	Replace body computer See in Op. 5505A32 BODY COMPUTER - R.R.
4	CHECK ON CORRECT OPERATION	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check that the fault is no longer present

‹ Prev Parking lights not working Next › Side lights / no. plate light and dipped headlamps not working in auto mode

Parts & tools for this job For 2002 Lancia Thesis

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