194002838 - 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 warning lights activated from the panel are:

• Foglamps (left control panel)
• Rear foglamps (left control panel)
• Hazard warning lights (control panel on centre tunnel)
• Heated rearscreen (climate 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 lights do not work	1. Continue as described by the diagnostic equipment
			2. The foglamps are not working	2. Continue as described by the diagnostic equipment
			3. The rear foglamps are not working	3. Continue as described by the diagnostic equipment
			4. The heated rearscreen	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 diagnostic equipment check, in Instrument Panel mode, that there are no errors and that the parameters are present.	Move on to Step 2	Presence of errors	Continue following the instructions on the diagnostic instrument
2	ELECTRICAL POWER SUPPLY CHECK	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check the electricity supply to the Instrument Panel Node is correct.	Move on to Step 3	Fault in positive electrical supply and/or earth	Replace defective component (in the case of a fuse, find out what caused it to blow).
3	CHECK ELECTRICAL CONNECTIONS	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check the electrical connections between the Body Computer and the Instrument Panel. In particular, check that each individual pin is properly connected.	Move on to Step 4	Electrical connections not operational	Renew the damaged electrical connections
4	ACTIVE DIAGNOSIS CHECK	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	With the Examiner in Instrument Panel Node mode, 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 Node mode, that there are no errors and that the parameters are present.	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 instructions on the diagnostic instrument
			3. The parameters do not change	3. Move on to Step 8
6	ELECTRICAL POWER SUPPLY CHECK	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check the electricity supply to the Body Computer Node is correct.	Move on to Step 7	Fault in positive electrical supply and/or earth	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
	Use an Examiner to check the possibility of connection to the Body Computer Node	Move on to Step 8	Impossible to connect to the Body Computer control unit.	Replace Body Computer    Op. 5505A35 MAIN BODY COMPUTER/JUNCTION UNIT - R.R.
8	CHECK ON CORRECT OPERATION	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check that the fault is no longer present	End of diagnosis