199002948 - B010 ENGINE DOES NOT START (UNDER ANY CIRCUMSTANCES)

The customer complains that: The engine does not start, the starter motor turns slowly/does not turn
Test results
0PRELIMINARY CHECKSAll OKProblems encounteredOperation
Turn the key ON and check that the initial check on the MIL and CODE warning lights takes place.
The MIL warning light should come on and then go out when the engine is started up, whilst the CODE warning light should come on for about 4 seconds and then go out
Then check:- that the inertia switch has not been operated;- presence of fuel in the tank;- air intake circuit;- correct operation of the flow modification valve;- correct operation of the exhaust manifolds.- that there are no leaks or seepage from the high and low pressure fuel pipes
Move on to Step 1The CODE warning light stays onProceed as instructed    See table K052 VEHICLE PROTECTION WARNING LIGHT ON (ENGINE DOES NOT START)
The MIL warning light does not carry out the initial testProceed as instructedSee table K053
The CODE warning light does not carry out the initial testProceed as instructedSee table K054
The warning lights do not carry out the initial testProceed as instructedSee table K049
Inertia switch operatedRestore correct operation
Lack of fuelAdd fuel to the tank
Filter dirty or partly blockedReplace the filter element    Op. 1048A14 AIR CLEANER FILTER ELEMENT - REPLACE.
Flow modulation valve working incorrectlyMove on to Step 2
Presence of leaksEliminate leaks
1ENGINE STARTING ELECTRIC CIRCUIT CHECKAll OKProblems encounteredOperation
Check that the engine starting electric circuit is working properly    See Test 5520BA ENGINE STARTING CIRCUIT CHECKMove on to Step 2
2RPM SENSOR CHECKAll OKProblems encounteredOperation
Check the operation of the rpm sensor by carrying out the    See Test 1060GA RPM SENSOR EFFICIENCY CHECKMove on to Step 3
3TIMING SENSOR CHECKAll OKProblems encounteredOperation
Check the operation of the timing sensor by carrying out the    See Test 1060GC CHECK TIMING SENSOR OPERATIONMove on to Step 4
4PREHEATING SYSTEM CHECKAll OKProblems encounteredOperation
Preheating system check    See Test 5520CA CHECK GLOW PLUG OPERATIONCheck the condition of the wiring and the operation of the preheating systemMove on to Step 5
5CHECK USING DIAGNOSTIC EQUIPMENTAll OKProblems encounteredOperation
Connect the diagnostic equipment to the diagnostic socket.Check:- no errors in control unit- parameter plausibilityMove on to Step 6Error detected in the control unitContinue following the instructions on the diagnostic equipment
Parameters not plausibleContinue following the instructions on the diagnostic equipment
No communication with the control unitRestore the connection between the engine control unit and the diagnostic connector    See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT
6HIGH PRESSURE CHECKAll OKProblems encounteredOperation
Check as described in the    See Test 1060OD HIGH PRESSURE FUEL CIRCUIT CHECKthat the diesel pressure parameter is correct.Move on to Step 14Pressure not correctMove on to Step 7
7INJECTOR HIGH PRESSURE CHECKAll OKProblems encounteredOperation
Injector high pressure check    See Test 1060OC INJECTOR SEAL TESTCheck, as instructed in thethat the diesel leaks from the injector recirculation connections are small (seepage) and roughly equal to one another.Move on to Step 18Significant leak from one injectorReplace the injector
8LOW RETURN PRESSURE CHECKAll OKProblems encounteredOperation
Check as described in the    See Test 1060OA LOW FUEL RETURN PRESSURE CIRCUIT CHECKthat the pressure in the return pipe to the tank is less than 1 barMove on to Step 9Pressure above the maximum limit: return pipe to the tank obstructedRepair the pipe; if necessary, replace it
9LOW SUPPLY PRESSURE CHECKAll OKProblems encounteredOperation
Low supply pressure check Check that the difference in pressure upstream and downstream of the filter is less than 1 barMove on to Step 10Difference in pressure more than 1 barReplace the fuel filter cartridge    Op. 1044B10 FUEL FILTER ASSEMBLY - R + R OR REPLACE
10LOW SUPPLY PRESSURE CHECKAll OKProblems encounteredOperation
Low supply pressure check Check that the pressure of the fuel pump at the filter inlet is more than 2.2 bar (75 CV) or 4.5 bar (90 CV)Move on to Step 13Pressure below 2.2 bar/4.5 barMove on to Step 11
11LOW SUPPLY PRESSURE CHECKAll OKProblems encounteredOperation
Low supply pressure checkMeasure the difference in pressure between the electric pump outlet and the filter inlet and check that it is less than 0.3 barMove on to Step 12Difference in pressure more than 0.3 barPressure below 2.2 bar/4.5 barReplace the pipe
12LOW SUPPLY PRESSURE CHECKAll OKProblems encounteredOperation
Check as described in the    See Test 1040AA CHECK ON SUPPLY VOLTAGE AND CURRENT UPTAKEthat the pump supply voltage is equal to 13V and that the current uptake is between 2 and 10 AMove on to Step 13Voltage lower than 12 VRenew electrical wiring    See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT
Current out of range: pump defectiveReplace the fuel pump    Op. 1040A70 SUBMERGED PUMP ASSEMBLY COMPLETE WITH LEVEL GAUGE CONTROL - R + R
13CORRECT OPERATION CHECKAll OKProblems encounteredOperation
Replace the pressure pump    Op. 1060E10 DIESEL INJECTION PRESSURE PUMP - R.R. and check that the fault is no longer presentEnd of diagnosisFault persistsContact technical service for further information on the problem
14CORRECT OPERATION CHECKAll OKProblems encounteredOperation
Replace the engine management control unit    Op. 1060G80 DIESEL ELECTRONIC INJECTION CONTROL UNIT - R.R and check that the fault is no longer presentEnd of diagnosisFault persistsContact technical service for further information on the problem