Contents

			Test results
1	COMPONENT CONCERNED	CHECK CONNECTIONS ON POWERTRAIN CONTROL MODULE	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Connections on the Powertrain Control Module	Check for the presence of loose connections on the Powertrain Control Module and the other CAN nodes	Go to Step 2	Presence of loose connections	Restore the correct connections
2	COMPONENT CONCERNED	CAN WIRING CHECK	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	CAN wiring	Check the continuity of the CAN wiring	Go to Step 3	Faults in the continuity of the wiring	Restore the correct continuity for the wiring
3	COMPONENT CONCERNED	CAN WIRING CHECK	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	CAN wiring	Check the correct insulation of the CAN wiring	Go to Step 4	Wiring insulation not correct	Restore correct wiring insulation
4	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	End of diagnosis	Powertrain Control Module not working properly	Replace the Powertrain Control Module Op. 1056B82 INJECTION/IGNITION SYSTEM E.C.U. (ONE) - R + R