P2452 Differential pressure sensor

			Test results
1	COMPONENT CONCERNED	ELECTRICAL CONNECTION CHECK	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Differential pressure sensor wiring	Check for an open circuit	Go to Step 2	Presence of open circuit	Restore the correct connections
2	COMPONENT CONCERNED	ELECTRICAL CONNECTION CHECK	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Differential pressure sensor wiring	Check for short circuits to Vbatt	Go to Step 3	Presence of short circuit to Vbatt.	Restore correct insulation to battery positive
3	COMPONENT CONCERNED	ELECTRICAL CONNECTION CHECK	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Differential pressure sensor wiring	Check for short circuits to earth	Go to Step 4	Presence of short circuit to earth	Restore correct insulation to earth
4	COMPONENT CONCERNED	DIFFERENTIAL PRESSURE SENSOR OPERATION CHECK	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Differential pressure sensor	Check correct operation of the differential pressure sensor	End of diagnosis	Differential pressure sensor incorrectly calibrated	Replace the differential pressure sensor Op. 1080B82