72346 - B10 ENGINE DOES NOT START IN ANY CONDITIONS

The engine does not start. When the key is turned the instruments light up as normal, the starter motor turns, but the engine does not start up.
The MIL warning light should come on with the ignition on and go out once the engine is started;If there is a problem with the reconfigurable matrix, there is a CODE message which only lights up when there is a fault.
STEPOPERATIONS TO BE CARRIED OUTTEST RESULTS
0PRELIMINARY CHECKSALL OKPROBLEMS ENCOUNTEREDACTION
Check the following, in order:

  • the the CODE fault message is not present at the matrix
  • that the inertia switch has not been operated
Move on to Step 1. CODE fault message present at the matrix1. Continue following the instructions in Table K108    Continue following the instructions in the table K108 DISPLAY OF FAULT CODES ON MATRIX - ENGINE STARTS
2. Intertia switch operated2. Restore correct operation
1CHECK USING DIAGNOSTIC EQUIPMENTALL OKPROBLEMS ENCOUNTEREDACTION
Connect the diagnostic equipment (Examiner or other instruments) to the diagnostic socket.Check:

  • that there are no errors in the control unit;
  • parameter plausibility
Move on to Step 1. Error detected in the control unit1. Continue following the instructions in the diagnostic table
2. Parameters not plausible2. Continue following the instructions in the diagnostic table
2FUEL PUMP ACTIVATE DIAGNOSISALL OKPROBLEMS ENCOUNTEREDACTION
Carry out the active diagnosis of the fuel pump and check that it is working properlyMove on to Step Pump not workingMove on to Step
3PETROL PUMP ELECTRIC CIRCUIT CHECKALL OKPROBLEMS ENCOUNTEREDACTION
Check petrol pump supply and earth (Wiring Diagram ) E5030 PETROL ENGINE ELECTRONIC MANAGEMENT Move on to Step 1. Connections not correct1. Repair the connections (Wiring Diagram ) E5030 PETROL ENGINE ELECTRONIC MANAGEMENT
2. Pump faulty2. Replace the petrol pump    See in Op. 1040A70 SUBMERGED PUMP ASSEMBLY complete with level gauge - R.R.
4SUPPLY PRESSURE CHECKALL OKPROBLEMS ENCOUNTEREDACTION
Check that the fuel pressure is correct    See in Op. 0510C10 FUEL SYSTEM - Check DELIVERY PRESSUREMove on to Step 1. Pressure not correct: front pipe obstructed1. Eliminate the obstructions. If necesssary, replace the pipe
2. Pressure not correct: fuel pump assembly faulty2. Replace the pump assembly    See in Op. 1040A70 SUBMERGED PUMP ASSEMBLY complete with level gauge - R.R.
5CHECK ON CORRECT OPERATIONALL OKPROBLEMS ENCOUNTEREDACTION
Check that the fault is no longer presentFault persists control unit defectiveReplace the engine management control unit    See in Op. 1056B82 Injection/ignition system CONTROL UNIT (one) - R.R.