312000665 - K123 WATER IN DIESEL FILTER WARNING LIGHT ON CONSTANTLY

Test results
1CHECK USING THE EXAMINERAll OKProblems encounteredOperation
Connect using the Examiner and check that there are no faulty control units in the CAN informationMove on to Step 2Control unit faultyContinue as instructed by the diagnostic equipment
2ACTIVE DIAGNOSIS CHECKAll OKProblems encounteredOperation
With the Examiner check in Active Diagnosis mode that the water in the diesel fuel filter warning light activates correctly.Move on to Step 3The warning light does not flash.Replace the Instrument Panel    Op. 5560B10 CONTROL PANEL - R+R
3CHECK USING THE EXAMINERAll OKProblems encounteredOperation
Connect to the engine management control unit and check that there are no errorsMove on to Step 4Presence of errorsContinue as instructed by the diagnostic equipment
4CHECK OPERATION OF SENSOR DETECTING PRESENCE OF WATER IN FILTERAll OKProblems encounteredOperation
Check correct operation of the water in diesel filter sensor.End of diagnosis1. Power supply interrupted2. Wiring defective3. Sensor defective4. Presence of water in the filter1. Restore the correct power supply.2. Restore correct wiring.3. Replace the fuel filter assembly    Op. 1044B10 FUEL FILTER ASSEMBLY - R + R OR REPLACE 4. Eliminate the water from the diesel filter.