3022565 - B10 ENGINE DOES NOT START / UNDER NO CIRCUMSTANCES

The engine does not start. When the key is turned, the instruments light up, the starter motor turns, but the engine will not start.
The MIL warning light should come on with the ignition on and go out once the engine has started;
The CODE warning light only comes on if there is a fault.
Results of the tests
0PRELIMINARY CHECKSAll OKProblems metOperation

Check, in order:

  • that the CODE fault message is not present at the matrix
  • that the inertia switch has not been operated
Continue to Step 1CODE fault message present at the matrixContinue as instructed in the Table See table K108 DISPLAY FAULT CODE ON MATRIX
Operation of inertia switchRestore correct operation
1CHECKING WITH DIAGNOSTIC EQUIPMENTAll OKProblems metOperation
Connect the diagnostic equipment (Examiner or other instruments) to the diagnostic socket

check

  • for errors in the control unit
  • plausibility of all the parameters
Continue to Step 2An error is detected in the control unitContinue according to the instructions for the diagnostic equipment
unreliable parametersContinue according to the instructions for the diagnostic equipment
2ACTIVE TESTING OF FUEL PUMPAll OKProblems metOperation
Carry out active testing of fuel pump and check if it is working properlyContinue to Step 4Pump not workingContinue to Step 3
3CHECK PETROL PUMP ELECTRICAL CIRCUITAll OKProblems metOperation
Check the petrol pump supply and earth See   E5030  PETROL ENGINE ELECTRONIC MANAGEMENT Continue to Step 4Connections not correctRestore the connections See   E5030  PETROL ENGINE ELECTRONIC MANAGEMENT
Pump faultyReplace petrol pump Op.   1040A70 
4DELIVERY PRESSURE CHECKAll OKProblems metOperation
Check that the fuel pressure is correct Op.   0510C10  Continue to Step 5Incorrect pressure: front pipes obstructedRemove obstruction If necessary, replace the pipe
Incorrect pressure: faulty fuel pump assemblyReplace the pump assembly Op.   1040A70 
5CHECK ON CORRECT OPERATIONAll OKProblems metOperation
Check that the fault is no longer presentEnd of diagnosisFault persists: control unit faultyReplace engine management control unit Op.   1056B82