K30 Low engine pressure warning light not working

Fault diagnosisK30 Low engine pressure warning light not working

With the ignition key ON, the low oil pressure warning light does not come on when the engine is not running

Step	Test procedure	Result	Action
0	PRELIMINARY CHECKS Check engine oil pressure is correct	OK	Move onto step 1
0	PRELIMINARY CHECKS Check engine oil pressure is correct	Low oil pressure detected	Move onto step (see D35)
1	CHECK THE MINIMUM OIL PRESSURE SWITCH Check: operation of the low oil pressure switch connection between switch and rev counter (Wiring diagram E4020 TACHOMETER ).	OK	Move onto step 2
		Faulty switch	Replace switchOp. 1084A42 End of diagnosis
		Connections broken	Restore the connections ( End of diagnosis
2	CHECKING REV COUNTER Check that the rev counter is working see DESCRIPTION AND OPERATION: 5560 Instruments (see 5560F)	OK	Move onto step 3
2		Instrument not working	Replace the rev counter Op. 5560B03 End of diagnosis
3	CHECK CORRECT OPERATION Check that the fault is no longer present	OK	End of diagnosis
3		Fault persists	Incorrect selection of diagnostic procedure

Parts & tools for this job For 1997 Alfa Romeo 156

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