Contents

			Test results
1	COMPONENT CONCERNED	SUPERCHARGING PRESSURE SENSOR CONNECTION CHECK	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Supercharging sensor connections	Check for loose connections on the turbocharging pressure sensor and/or for oxidised and corroded connections	Go to Step 2	Presence of loose connections on the supercharging pressure sensor	Restore the correct connections
2	COMPONENT CONCERNED	CHECK CONNECTIONS ON POWERTRAIN CONTROL MODULE	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Connections on the Powertrain Control Module	Check for loose connections on the Powertrain Control Module or for oxidised and corroded connections	Go to Step 3	Presence of loose connections on the Powertrain Control Module	Restore the correct connections
3	COMPONENT CONCERNED	SUPERCHARGING PRESSURE SENSOR WIRING CHECK	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Supercharging pressure sensor wiring	Check the correct continuity of the supercharging pressure sensor wiring	Go to Step 4	Faults in the continuity of the wiring	Restore the correct wiring
4	COMPONENT CONCERNED	SUPERCHARGING PRESSURE SENSOR WIRING CHECK	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Supercharging pressure sensor wiring	Check the insulation of the supercharging pressure sensor wiring.	Go to Step 5	Faults in the wiring insulation	Restore the correct insulation for the wiring
5	COMPONENT CONCERNED	SUPERCHARGING PRESSURE SENSOR OPERATION CHECK	OK (NO FAULTS DETECTED)	FAULT DETECTED	OPERATION
	Supercharging pressure sensor	Check that the supercharging pressure sensor is working properly See Test 1064BA TURBOCHARGING PRESSURE CHECK	End of diagnosis	Supercharging pressure sensor not working properly	Replace the turbocharging pressure sensor Op. 1056B44 AIR PRESSURE SENSOR - R + R