167788 - K19 FUEL CONSUMPTION GAUGE NOT WORKING

the instantaneous fuel consumption signal is supplied by the "engine control node" via the C-CAN network; the "computer body node" sends it on the B-CAN network via the gateway and then on to the "instrument panel node".

STEP	OPERATIONS TO BE CARRIED OUT	TEST RESULTS
0	PRELIMINARY CHECK	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check that the instantaneous fuel consumption value appears on CONNECT	Move on to Step	No value appears on CONNECT	Move on to Step
1	CHECK USING DIAGNOSTIC EQUIPMENT	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Connect the Examiner diagnostic equipment to the diagnostic connector check the following at the instrument panel node:In active diagnosis environment indicator operation	Move on to Step	The pointer does not move	Replace instrument panel     See in Op. 5560B11 ANALOGUE CONTROL PANEL - R.R. or Replace
2	CHECK USING DIAGNOSTIC EQUIPMENT	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Connect the Examiner diagnostic equipment to the diagnostic connector and check the following at the CAN: no control unit not activated; that there are no faulty control units; no control unit with faulty CAN line;	Move on to Step	Presence of faults	Continue following the instructions for the diagnostic equpiment
3	CHECK ON CORRECT OPERATION	ALL OK	PROBLEMS ENCOUNTERED	ACTION
2.0 TB,2.4 20 V,3.0 V6	Check that the fault is no longer present		Fault persists	Replace engine control unit     See in Op. 1056B82 Injection/ignition system CONTROL UNIT (one) - R.R.
3	CHECK ON CORRECT OPERATION	ALL OK	PROBLEMS ENCOUNTERED	ACTION
2.4 JTD 10V	Check that the fault is no longer present		Fault persists	Replace engine control unit     See in Op. 1060G80 Diesel electronic injection system CONTROL UNIT - R.R.