Impossible to enter fault diagnosis at ABS control unit

Fault diagnosisImpossible to enter fault diagnosis at ABS control unit

IMPOSSIBLE TO ENTER FAULT DIAGNOSIS AT ABS CONTROL UNIT

The diagnostic equipment does not allow the fault diagnosis of the ABS control unit to be carried out

1	DIAGNOSTIC CIRCUIT CHECK	All OK	Problems met	Operation
		Results of the tests
	Check that the supply for the diagnostic socket is correct See E8010 DIAGNOSTIC MULTIPLE CONNECTOR. Also check the continuity of the K line	Continue to Step 2	No diagnostic socket supply	Renew the wiring, if necessary, replace the Body Computer Op. 5505A32
		Continue to Step 2	K line continuity problems	Renew the wiring, if necessary, replace the faulty components
2	ABS CONTROL UNIT POWER SUPPLY CHECK	All OK	Problems met	Operation
	Check that the power supply for the ABS control unit is correct See E7020 ABS. Check that the fuse in the junction unit under the dashboard has not burnt out	Continue to Step 3	No control unit supply	Renew the wiring, if necesasry, replace the ABS electro-hydraulic control unit Op. 3340A12
		Continue to Step 3	Fuses blown	Search for the cause of the fuse blowing and eliminate it, then renew the wiring
3	CHECK ON CORRECT OPERATION	All OK	Problems met	Operation
	Connect the diagnostic equipment and check whether it is possible to enter in fault diagnosis at the ABS control unit	End of diagnosis

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