2582449 - K53 I.E. FAILURE WARNING LIGHT OFF / (DO NOT CARRY OUT INITIAL TEST)

The engine management control unit warning light does not come on. The CODE warning light comes on and goes out.
The CODE light going out normally means that the dialogue between the two control units has had a positive outcome. The failure of the engine management control unit warning light to come on is due to a fault in the warning light operating circuit. The failure to come on is caused by supply system problems.
Results of the tests
1CHECK WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation
1.2 8vConnect the diagnostic equipment (Examiner or other instruments) to the diagnostic socketCheck that the dialogue takes place between the control unit and the diagnostic equipmentContinue to Step 2Dialogue not activatedRestore the supply to the control unit See   E5030  PETROL ENGINE ELECTRONIC MANAGEMENT
1.9 DIESELConnect the diagnostic equipment (Examiner or other instruments) to the diagnostic socketCheck that the dialogue takes place between the control unit and the diagnostic equipmentContinue to Step 2Dialogue not activatedRestore the supply to the control unit See   E5050  DIESEL ENGINES ELECTRONIC MANAGEMENT
2ENGINE STARTING SYSTEM CHECKAll OKProblems metOperation
See table   B10  ENGINE DOES NOT START Fault persistsSearch for the fault starting from another symptom'