Contents

			Test results
1	COMPONENT CONCERNED	ABS CONTROL UNIT CONNECTIONS CHECK	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	CAN line wiring between ABS control unit and Powertrain Control Module	Check that the CAN connections between the Powertrain Control Module and the ABS control unit are not faulty. In particular, that there are no open circuit or short circuit problems See E1050 CAN CONNECTION LINES	Go to Step 2	There are faulty connections	Restore or, if necessary, replace the wiring.
2	COMPONENT CONCERNED	POWERTRAIN CONTROL MODULE CONNECTION CHECK	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Powertrain Control Module connections	Disconnect/reconnect the Powertrain Control Module connectors and check for a loose pin	Go to Step 3	Presence of a loose pin	Restore the correct operation of the connector
3	COMPONENT CONCERNED	ABS CONTROL UNIT CONNECTION CHECK	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	ABS control unit connections	Disconnect/reconnect the ABS control unit connectors and check for the presence of loose pins	Go to Step 4	Presence of a loose pin	Restore the correct operation of the connector
4	COMPONENT CONCERNED	POWERTRAIN CONTROL MODULE SUPPLY CHECK	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Powertrain Control Module power supply	Check that the power supply for the Powertrain Control Module is correct	Go to Step 5	Power supply not correct	Restore the correct power supply
5	COMPONENT CONCERNED	ABS CONTROL UNIT POWER SUPPLY CHECK	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	ABS control unit supply	Check that the power supply for the ABS control unit is correct	Go to Step 6	Power supply not correct	Restore the correct power supply
6	COMPONENT CONCERNED	POWERTRAIN CONTROL MODULE OPERATION CHECK	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Powertrain Control Module	Check that the Powertrain Control Module is working correctly	Go to Step 7	Powertrain Control Module not working properly	Replace the Powertrain Control Module Op. 1056B82 INJECTION/IGNITION SYSTEM E.C.U. (ONE) - R + R
7	COMPONENT CONCERNED	ABS CONTROL UNIT OPERATION CHECK	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	ABS control unit	Check that the ABS control unit is working properly	End of diagnosis	The ABS control unit is not working correctly	Replace the ABS control unit Op. 3340A12 ABS HYDRAULIC AND ELECTRONIC CONTROL UNIT - R.R.