198001693 - D003 ENGINE NOT RUNNING SMOOTHLY / (IRREGULAR OPERATION)

The customer complains that: The engine is not running smoothly

		Test results
0	PRELIMINARY CHECKS	All OK	Problems encountered	Operation
	Check that the engine oil level is correct    Op. 0010T11 ENGINE OIL - CHECK LEVEL AND TOP UP, IF NECESSARY Check that the air intake/vacuum circuit is working properly    See Test 1048OA AIR INTAKE/VACUUM CIRCUIT CHECKCheck the condition of the fuel supply circuit and make sure that it is working properly    See Test 1040OA Fuel supply circuit checkCheck the operation of the low pressure supply circuit    See Test 1060OB Low pressure fuel supply circuit checkCheck the fastening of the battery earth terminal	Move on to Step 1	Oil level incorrectBattery earth terminal insecure	Restore the correct engine oil level    Op. 0010T11 ENGINE OIL - CHECK LEVEL AND TOP UP, IF NECESSARY Restore the correct earth lead fastening    See E1020 EARTHS
1	MODE PARAMETERS CHECK	All OK	Problems encountered	Operation
	Select the following control unit at the diagnostic equipment: EDC16C39 Diesel electronic injection control unit.Check the value of the following parameters:· Battery voltage    See Test 5530BB BATTERY VOLTAGE CHECK· Accelerator pedal· Accelerator position 1 AD/C· Accelerator position 2 AD/C    See Test 1068AC ACCELERATOR PEDAL CHECKS· Engine coolant temperature    See Test 5030AA COOLANT TEMPERATURE SENSOR CHECK· Diesel temperature· Measured air mass· Engine rpmReach a constant speed of around 30 km/h and check that the reading on the diagnostic equipment for the vehicle speed coincides more or less with the speed shown on the instrument panel	Move on to Step 4	The vehicle speed is not measured correctly	Move on to Step 2
2	ABS CHECKS	All OK	Problems encountered	Operation
	Select the following control unit at the diagnostic equipment: BOSCH ABS control unitCheck that the system is working properly    See Test 3340AB SPEED SIGNAL CHECK	Move on to Step 3
3	SOFTWARE VERSION CHECK	All OK	Problems encountered	Operation
	Check the software version of the EDC16C39 Diesel electronic injection control unit    See Test 1060GJ CHECK ENGINE CONTROL UNIT SOFTWARE RELEASE	Move on to Step 4
4	PREHEATING RELAY ACTIVE DIAGNOSIS	All OK	Problems encountered	Operation
	Carry out the active diagnosis for the preheating relay, checking that the result is positive.	Move on to Step 6	The result of the active diagnosis is negative	Move on to Step 5
5	GLOW HEATER PLUGS CHECK	All OK	Problems encountered	Operation
	Check that the glow heater plugs are working properly    See Test 5520CA GLOW HEATER PLUGS OPERATION CHECK	Move on to Step 7
6	DIESEL PREHEATING FUSE CHECK	All OK	Problems encountered	Operation
	Check the protective fuse circuit for the diesel preheating relay	End of diagnosis