323000832 - K123 WATER IN DIESEL FILTER WARNING LIGHT ON CONSTANTLY

The Engine Management Node sends a message via the C-CAN to the Body Computer, which makes it available via the B-CAN, to the Instrument Panel node.

Faults in the C-CAN will turn on the warning lights for the control units that communicate on this network. Verification of the CAN Information is intended to detect this situation

1	ACTIVE DIAGNOSIS CHECK	All OK	Problems encountered	Operation
	With the Examiner in Instrument Panel Node mode, check that the warning light in question is correctly activated in Active Diagnosis.	Move on to Step 2	The warning light in question does not flash	Replace the Instrument Panel    Op. 5560B10 CONTROL PANEL - R+R
2	CHECK ON WATER IN DIESEL FILTER SENSOR	All OK	Problems encountered	Operation
	Check for any water in the diesel filter. Check that the sensor receives the correct power supply.Check the operation of the sensor	Move on to Step 3	1. Water in the filter2. Power supply not correct.3. Sensor defective.	1. Replace the filter.    Op. 1044B10 FUEL FILTER ASSEMBLY - R + R OR REPLACE and refill with diesel that conforms to the specifications2. Restore correct power supply.3. Replace the filter mounting and sensor    Op. 1060G30 WATER PRESENCE SENSOR IN FUEL FILTER - R.R.
3	CHECK USING DIAGNOSTIC EQUIPMENT	All OK	Problems encountered	Operation
	Using Examiner, check, in the Body Computer Node, that there are no errors and that the parameters are present.	Move on to Step 4	Presence of errors.	Continue as instructed by the diagnostic equipment.
4	CHECK USING DIAGNOSTIC EQUIPMENT	All OK	Problems encountered	Operation
	Use the Examiner to check, in the engine management control unit, that there are no errors and that the parameters are present.	End of diagnosis.	Presence of errors.	Continue as instructed by the diagnostic equipment.