2398865 - K142 RECHARGING WARNING LIGHT ON CONSTANTLY

After the engine has started, the generator warning light on the Instrument Panel Node always stays on.
Results of the tests
0PRELIMINARY CHECKSAll OKProblems metOperation
Check that the D+ terminal on the alternator delivers a voltage of at least 12 VContinue to Step 1The alternator does not deliver 12 VContinue to Step 9
1CHECKING WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation
Using the Examiner check, in the Instrument Panel Node ambient, that there are no errors Continue to Step 5Impossible to connect with the Instrument Panel control unitContinue to Step 2
There are errorsContinue in accordance with the instructions for the diagnostic equipment
2ELECTRIC POWER SUPPLY CHECKAll OKProblems metOperation
Check that the Instrument Panel Node electrical power supply is correct Continue to Step 3Positive and/or earth electrical power supply faultyReplace the component involved (if a fuse is involved, search for the cause of the problem)
3CHECK ELECTRICAL CONNECTIONSAll OKProblems metOperation
Check the electrical connections between the Body Computer and the Instrument Panel, in particular that each individual pin is correctly connected Continue to Step 4Electrical connections not workingRestore damaged electrical connections
4CHECKING WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation
Using the Examiner, check the possibility of connecting with the Instrument Panel Node Continue to Step 6Impossible to connect with the Instrument PanelReplace the instrument panel Op. 5560B11
5CHECK WITH ACTIVE DIAGNOSISAll OKProblems metOperation
With the Examiner in the Instrument Panel Node ambient, check, in active diagnosis, that the generator warning lights are correctly activated Continue to Step 6The alternator warning light does not come onReplace the instrument panel Op. 5560B11
6CHECKING WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation
Using the Examiner check, in the Body Computer Node ambient, that there are no errorsContinue to Step 1Impossible to connect with the Body Computer control unitContinue to Step 7
There are errorsContinue in accordance with the instructions for the diagnostic equipment
7ELECTRICAL POWER SUPPLY CHECKAll OKProblems metOperation
Check that the Body Computer Node electrical power supply is correctContinue to Step 8Positive and/or earth electrical power supply faultyReplace the component involved (if a fuse is involved, search for the cause of the problem)
8CHECKING WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation
Using the Examiner, check the possibility of connecting with the Body Computer NodeContinue to Step 6Impossible to connect with the Body Computer control unitReplace the Body Computer Node Op.   5505A32 
9ELECTRICAL CIRCUIT CHECKAll OKProblems metOperation
Check the continuity and insulation of the electrical circuit between the battery, starter motor and alternator See   E5010  STARTING AND RECHARING Continue to Step 10Connections faultyRestore the correct connections, if necessary replace the faulty components See   E5010  STARTING AND RECHARING
10CHECKING BATTERY CHARGEAll OKProblems metOperation
Check the battery chargeContinue to Step 11Battery dischargedRecharge the battery Op. 5530B14
Battery discharged and cannot be rechargedReplace the battery Op.   5530B10 
11CHECKING ALTERNATORAll OKProblems metOperation
1.3 JTD 16v 1.9 JTD 8vCheck, carrying out the Test See Test   5530AB  Alternator operation test , that the alternator is working properlyEnd of diagnosisAlternator operating faultsReplace the alternator Op.   5530A10 
1.3 JTD 16v 1.9 JTD 8vCheck, carrying out the Test See Test   5530AB  Alternator operation test , that the alternator is working properlyEnd of diagnosisAlternator operating faultsReplace the alternator Op. 5530A14