22 · Diagnostics

Code failure warning light on

Make: Fiat
Model: Doblò Factory Service Manual
Year: 2000–2010
Section: Instrument panel › Code failure warning light on

‹ Prev I.e. warning and code warning light both on / engine does not start Next › I.e. failure warning light off / (do not carry out initial test)

Fault diagnosisCode failure warning light on

CODE FAILURE WARNING LIGHT ON

The CODE warning light remains on permanently. The I.E. warning light carries out the initial test normally

1	CHECK WITH DIAGNOSTIC EQUIPMENT	All OK	Problems met	Operation
		Results of the tests
	Connect the diagnostic equipment (Examiner) to the diagnostic socket and check whether there are errors in the engine management control unit or the Body Computer	Continue to Step 2	Errors detected in the control unit	Continue following the instructions for the diagnostic equipment
		Continue to Step 2	Errors detected in the Body Computer	Continue following the instructions for the diagnostic equipment
2	SUPPLY CHECK	All OK	Problems met	Operation
1.2 8v	Check the engine management control unit supply See E5030 PETROL ENGINE ELECTRONIC MANAGEMENT	Continue to Step 3	No supply	Restore the correct supply See E5030 PETROL ENGINE ELECTRONIC MANAGEMENT
1.9 DIESEL	Check the engine management control unit supply See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT	Continue to Step 3	No supply	Restore the correct supply See E5050 DIESEL ENGINES ELECTRONIC MANAGEMENT
3	SAFETY STARTING	All OK	Problems met	Operation
1.2 8v	Remove the supply for the Body Computer and start the vehicle using the recovery procedure by pressing the accelerator pedal	Continue to Step 4	The engine does not start	Replace control unit Op. 1056B82
1.9 DIESEL	Remove the supply for the Body Computer and start the vehicle using the recovery procedure by pressing the accelerator pedal	Continue to Step 4	The engine does not start	Replace control unit Op. 1060D80
4	CHECK ON CORRECT OPERATION	All OK	Problems met	Operation
	Check that the fault is no longer present		The fault persists: Body Computer defective	Replace the Body Computer Op. 5505A32 Search for the fault starting from another symptom'

‹ Prev I.e. warning and code warning light both on / engine does not start Next › I.e. failure warning light off / (do not carry out initial test)

Parts & tools for this job For 2000 Fiat Doblò

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