22 · Diagnostics

Side/number plate lights not working

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

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Fault diagnosisSide/number plate lights not working

SIDE/NUMBER PLATE LIGHTS NOT WORKING

With the selector in the "Side lights" position the side/no. plate lights are not working;

The switching on signal for the side lights and the no. plate lights is supplied directly by the Body Computer Node.

The lights can be activated using the following controls:

The switching on signal for the side lights and the no. plate lights is supplied directly by the Body Computer Node.
The lights can be activated using the following controls:
Side lights
Parking lights
Auto Position (Dusk sensor
1. EXTERIOR LIGHTS CONTROL (C.L.E.):
2. STEERING COLUMN SWITCH UNIT (FOLLOW ME HOME FUNCTION).

1. EXTERIOR LIGHTS CONTROL (C.L.E.):

2. STEERING COLUMN SWITCH UNIT (FOLLOW ME HOME FUNCTION).

STEP	OPERATIONS TO BE CARRIED OUT	TEST RESULTS
0	PRELIMINARY CHECK	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check that when the selector is positioned at the C.L.E. on the parking lights, the side lights come on	Move on to Step	The side lights do not come on	Move on to Step
1	CHECK USING DIAGNOSTIC EQUIPMENT.	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Connect the Examiner diagnostic equipment to the diagnostic socket and check that there are no faults	Move on to Step	presence of faults.	Continue following the instructions for the diagnostic equipment
2	CHECK USING DIAGNOSTIC EQUIPMENT	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Connect the Examiner diagnostic equipment to the diagnostic socket and check the operation of the bulbs through active diagnosis	Move on to Step	No lights come on	Replace body computer See in Op. 5505A32 BODY COMPUTER - R.R.
3	EXTERIOR LIGHTS CONTROL CHECK	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check the continuity of the connections for the side lights selector (see test 5540AA) Continue following the instructions in the test 5540AA Exterior lights control operational check (C.L.E.)	Move on to Step	Selector not working.	Replace the exterior lights control See in Op. 5540A20 Exterior lights SWITCH PANEL and instrument panel light dimmer - R.R.
4	ELECTRICAL SYSTEM CHECK.	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check the continuity and the insulation of the wiring between the Exterior Lights Control and the Body Computer Node (Wiring Diagram ) E2010 SIDE LIGHTS/NUMBER PLATE LIGHT Check the connection to earth for the C.L.E.	Move on to Step	Connection between C.L.E. and Body Computer Node short circuit or open circuit Earth not present	Restore the electrical connection (Wiring Diagram ) E2010 SIDE LIGHTS/NUMBER PLATE LIGHT
5	CHECK ON CORRECT OPERATION	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check that the fault is no longer present

‹ Prev THE ELECTRIC STEERING LOCK DOES NOT RELEASE (vehicle with passive entry)Next › Parking lights not working

Parts & tools for this job For 2002 Lancia Thesis

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