23 · Diagnostics

Side lights/no. plate lights not working

Fault diagnosisSide lights/no. plate lights not working

SIDE LIGHTS/NO. PLATE LIGHTS NOT WORKING

When the side light switch is operated, the side light/number plate lights do not operate;

The activation 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:

1. EXTERIOR LIGHT CONTROL (on stalk) C.L.E.

- Side lights

2. PARKING LIGHT CONTROL ("PARK" key)

- Parking lights

3. COMMAND FROM DUSK SENSOR

4. FOLLOW ME HOME COMMAND FROM STALK

1	CHECK USING DIAGNOSTIC EQUIPMENT	All OK	Problems encountered	Operation
	Connect the Examiner diagnostic equipment to the diagnostic socket on the Body Computer Node and and check for errors.	Move on to Step 2	Presence of errors	Continue following the instructions for the diagnostic equipment
2	ELECTRICAL SYSTEM CHECK	All OK	Problems encountered	Operation
	- Check the continuity and the insulation of the wiring between the Exterior Lights Control and the Body Computer Node See E2010 SIDE LIGHTS / NO. PLATE LIGHTS - Check the stalk connection to earth	Move on to Step 3	Wiring between stalk and Body Computer interrupted	Restore the correct electrical connection See E2010 SIDE LIGHTS / NO. PLATE LIGHTS
		Move on to Step 3	Lighting stalk earth reference interrupted	Restore the correct electrical connection See E2010 SIDE LIGHTS / NO. PLATE LIGHTS
3	EXTERIOR LIGHTS CONTROL CHECK	All OK	Problems encountered	Operation
	Check the control on the stalk is intact See E2010 SIDE LIGHTS / NO. PLATE LIGHTS Also check the operation of the body computer	End of diagnosis	Stalk switch not working	Replace the steering column switch unit Op. 5550A10 STALK UNIT ASSEMBLY - R+R
		End of diagnosis	Body Computer defective.	Replace body computer Op. 5505A32 BODY COMPUTER - R.R

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