B10 ENGINE DOES NOT START / UNDER NO CIRCUMSTANCES - Fiat - PANDA - eLearn

2750991 - 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 to the AVV position, 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. If the Code is faulty, the CODE system failure will be indicated by the instrument panel.

0	PRELIMINARY CHECKS	All OK	Problems met	Operation
		Results of the tests
	Check, in order: that there is no CODE system failure that the inertia switch has not cut in	Continue to Step 1	CODE failure present	Continue according to the instructions See table K52
		Continue to Step 1	Operation of inertia switch	Restore correct operation
1	CHECK WITH DIAGNOSTIC EQUIPMENT	All OK	Problems met	Operation
	Connect the diagnostic equipment (Examiner Plus or Smart) to the diagnostic socket and check the following at the engine management control unit: for errors in control unit; plausibility of parameters	Continue to Step 2	An error is detected in the control unit	Continue according to the instructions for the diagnostic equipment
		Continue to Step 2	unreliable parameters	Continue according to the instructions for the diagnostic equipment
2	ACTIVE DIAGNOSIS OF FUEL PUMP	All OK	Problems met	Operation
	Conduct active diagnosis of the fuel pump and check that it operates properly	Continue to Step 4	Pump not working	Continue to Step 3
3	PETROL PUMP ELECTRICAL CIRCUIT CHECK	All OK	Problems met	Operation
	Check the petrol pump supply and earth See E5030 PETROL ENGINE ELECTRONIC MANAGEMENT	Continue to Step 4	Connections not correct	Restore the connections See E5030 PETROL ENGINE ELECTRONIC MANAGEMENT
		Continue to Step 4	Pump faulty	Replace petrol pump Op. 1040A70
4	LOW SUPPLY PRESSURE CHECK	All OK	Problems met	Operation
	Check that the fuel pressure is correct Op. 0510C10	Continue to Step 5	Incorrect pressure: front pipe obstructed	Remove obstructions If necessary, replace the pipe
	Check that the fuel pressure is correct Op. 0510C10	Continue to Step 5	Incorrect pressure: faulty fuel pump assembly	Replace the pump assembly Op. 1040A70
5	IGNITION OPERATION CHECK	All OK	Problems met	Operation
	Check that the ignition is working properly at the coils by carrying out See Test 5510CC Check that the ignition coils are working	End of diagnosis	No spark at the coil	Continue to Step 6
6	COIL ELECTRICAL CIRCUIT CHECK	All OK	Problems met	Operation
	Check the continuity of the coil main circuit See E5030 PETROL ENGINE ELECTRONIC MANAGEMENT	Continue to Step 7	Connections not correct	Restore the connections See E5030 PETROL ENGINE ELECTRONIC MANAGEMENT
7	CHECK ON CORRECT OPERATION	All OK	Problems met	Operation
	Check that the fault is no longer present	End of diagnosis	Fault persists: coil defective	Replace the coil Op. 5510C10 Continue to Step 8
8	CHECK ON CORRECT OPERATION	All OK	Problems met	Operation
	Check that the fault is no longer present	End of diagnosis	Fault persists: control unit faulty	Refit the original coil and replace the engine management control unit Op. 1056B82