22 · Diagnostics

Abs working irregularly (page 2 of 2)

Make: Alfa Romeo
Model: GT Factory Service Manual
Year: 2003–2010
Section: Braking system

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Fault diagnosisAbs working irregularly · page 2 of 2

When the ASR is switched on the ''ASR on'' message is not shown on the display for 5 seconds; the LED in the button remains on (indicating that it is switched off).

1	CHECK WITH DIAGNOSTIC EQUIPMENT	All OK	Problems met	Operation
		Results of the tests
	Connect the Examiner Plus or Smart diagnostic equipment to the diagnostic connector and check the following at the brake nodes: For faults in error mode; In the parameters ambient, the plausibility of all the parameters	Continue to Step 2	An error is detected in the control unit	Continue following the instructions for the diagnostic equipment
2	SWITCH CHECK	All OK	Problems met	Operation
	Check the operation of the ASR switch checking that there is a short circuit with the button pressed and an open circuit with the button released See See E7022 VDC	Continue to Step 3	Faulty switch	Replace switch Op. Op. 3350A10 ASR DISENGAGEMENT SWITCH - R R
3	CHECKING ELECTRICAL EQUIPMENT	All OK	Problems met	Operation
	Check the continuity/insulation of the ASR switch connections See See E7022 VDC	Continue to Step 4	No continuity/insulation	Restore the correct connections See See E7022 VDC
4	CHECK ON CORRECT OPERATION	All OK	Problems met	Operation
	Check that the fault is no longer present	End of diagnosis

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Parts & tools for this job For 2003 Alfa Romeo GT

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