K61 Abs warning light off (initial test not run)

Make: Alfa Romeo
Model: 156 Factory Service Manual
Year: 1997–2002
Section: Instruments › K61 Abs warning light off (initial test not run)

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Fault diagnosisK61 Abs warning light off (initial test not run)

K61 Abs warning light off (initial test not run)

During starting, the "ABS" warning light does not come on (it should come on for 4 seconds to indicate that the initial control unit test is being carried out and then it should go out)

Step	Test procedure	Result	Action
1	CHECK WITH DIAGNOSTIC EQUIPMENT Connect the diagnostic equipment (Examiner or other instruments) to the diagnostic socket Check that there is a regular dialogue with the ABS control unit	OK	Move onto step 2
		Lack of dialogue with the control unit	Restore: the connection between the ABS control unit and the diagnostic connector the supply for the ABS control unit (Wiring diagram E7020 ABS ). End of diagnosis
		An error is detected in the control unit	Continue according to the instructions for the diagnostic equipment End of diagnosis
2	CHECK INSTRUMENT SUPPLY CHECK Check the check control supply (Wiring diagram E4022 CENTRAL INSTRUMENT (CHECK) ).	OK	Move onto step 3
		Connections not correct	Restore the connections End of diagnosis
		Component defective	Replace the component involved (if a fuse is involved, search for the cause of the problem) End of diagnosis
3	CHECK CONTROL CHECK Check the operation of the check control instrument see DESCRIPTION AND OPERATION: 5560 Instruments (see 5560F)	OK	Move onto step 4
3		Instrument not working	Replace the check control instrument Op. 5560C60 End of diagnosis
4	CHECK CORRECT OPERATION Check that the fault is no longer present	OK	End of diagnosis
4		Fault persists	Incorrect selection of diagnostic procedure

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Parts & tools for this job For 1997 Alfa Romeo 156

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