K01 REV COUNTER NOT WORKING - Alfa - 147 - eLearn

With the engine started, the rev counter does not work, or it works irregularly.

1	CHECKING WITH DIAGNOSTIC EQUIPMENT	All OK	Problems met	Operation
		Results of the tests
	Connect an Examiner to the diagnostic socket Verify: that there are no faults in the instrument panel	Continue to Step 2	There are errors	Proceed in accordance with the instructions given by the diagnostic equipment
2	CHECKING WITH DIAGNOSTIC EQUIPMENT	All OK	Problems met	Operation
	Keeping the Examiner equipment connected to the diagnostic socket, check: that the pointer is working via active diagnosis	Continue to Step 3	Rev counter is not working	Replace instrument panel Op. 5560B11
3	CHECKING ELECTRICAL CIRCUIT	All OK	Problems met	Operation
	Check connections between instrument panel Body Computer and I.E. control unit	Continue to Step 4	Faulty wiring	Restore/replace the wiring: See E4010 INSTRUMENT PANEL
4	CHECK ON CORRECT OPERATION	All OK	Problems met	Operation
	Check that the fault is no longer present		Fault persists	Search for the fault starting from another symptom'