312002976 - P0380 Preheating unit control

The diagnostic test can be carried out if the battery voltage and the main relay are Ok and the control for the heater plugs control unit is On. The error is recognized by comparing the control signal with the feedback

		Test results
1	HEATER PLUGS CIRCUIT CHECK	All OK	Problems encountered	Operation
	Check that the heater plugs control is working properly    See Test 5520CA GLOW HEATER PLUGS OPERATION CHECK	End of diagnosis	-	-