939003684 - K146 ONE WARNING LIGHT OPERATED BY CONTROL PANEL ON CONSTANTLY

When the lights/heated rear windscreen are deactivated from the control panel, the warning light in the instrument panel does not go out N.B: The following warning lights are on through control panel activation:

• Fog lights (left control panel)
• Rear fog lamps (left control panel)
• Hazard warning lights (control panel on centre tunnel)
• Heated rear windscreen (climate control system control panel)

0	PRELIMINARY CHECKS	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	With the ignition OFF, activate the hazard warning lights and switch them off and check that they come on/go out.With the ignition ON, activate all the functions in question using the left control panel and switch them off, namely: fog lights rear fog lamps heated rear windscreen and check that they are activated/deactivated	Move on to Step 1	1. The hazard warning lights do not work	1. Continue as instructed in theSee table I039
			2. The fog lights are not working	2. Continue as instructed in theSee table I020
			3. The rear fog lamps are not working	3. Continue as instructed in theSee table I021
			4. The heated rear windscreen is not working	4. Continue as instructed in the    See table J021 HEATED REAR WINDSCREEN NOT WORKING
1	CHECK USING DIAGNOSTIC EQUIPMENT	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Using the Examiner check, in the Instrument Panel Node ambient, that there are no errors and that the parameters are present.	Move on to Step 2	Presence of errors	Continue following the information for the diagnostic equipment
2	ELECTRICAL POWER SUPPLY CHECK	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check that the electrical power supply for the "Instrument Panel Node" is correct.	Move on to Step 3	Electrical power supply positive and/or earth faulty.	Replace defective component (in the case of a fuse, find out what caused it to blow).
3	ELECTRICAL CONNECTIONS CHECK	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check the electrical connections between the "Body Computer" and the "Instrument Panel", in particular that each individual pin is correctly connected.	Move on to Step 4	Electrical connections not working.	Renew the damaged electrical connections.
4	ACTIVE DIAGNOSIS CHECK	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	With the Examiner in the Instrument Panel Node ambient check that the warning lights in question are correctly activated in Active Diagnosis.	Move on to Step 5	The warning lights do not flash	Replace the Instrument Panel    Op. 5560B10 CONTROL PANEL - R+R
5	CHECK USING DIAGNOSTIC EQUIPMENT	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Using the Examiner check, in the Body Computer ambient, that there are no errors and that the warning light status alters	Move on to Step 6	1. Impossible to connect to the Body Computer control unit.	1. Move on to Step 6
			2. Presence of errors.	2. Continue following the information for the diagnostic equipment.
			3. The parameter values do not change	3. Move on to Step 8
6	ELECTRICAL POWER SUPPLY CHECK	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check that the electrical power supply for the "Body Computer Node" is correct.	Move on to Step 7	Electrical power supply positive and/or earth faulty.	Replace defective component (in the case of a fuse, find out what caused it to blow).
7	CHECK USING DIAGNOSTIC EQUIPMENT	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Using the Examiner, check the possibility of connecting to the Body Computer Node.	Move on to Step 8	Impossible to connect to the Body Computer control unit.	Replace Body Computer    Op. 5505A32 BODY COMPUTER - R.R
8	CHECK ON CORRECT OPERATION	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check that the fault is no longer present	End of diagnosis