		Test results
0	PRELIMINARY CHECKS	All OK	Problems encountered	Operation
	Check that the wind noise is actually coming from the underbody	Move on to Step 1	1. The wind noise is coming from the front doors 2. The wind noise is coming from the area of the bonnet 3. The wind noise is coming from the area of the windscreen 4. The wind noise is coming from the sun roof 5. The wind noise is coming from the rear area	1. Proceed as instructed See table T001 WIND NOISE FROM THE FRONT DOORS 2. Proceed as instructed See table T005 BONNET WIND NOISE 3. Proceed as instructed See table T006 WINDSCREEN WIND NOISE 4. Proceed as instructed See table T020 WIND NOISE FROM THE SUN ROOF 5. Proceed as instructed See table T025 WIND NOISE FROM THE REAR AREA
1	UNDER-ENGINE GUARD CHECK	All OK	Problems encountered	Operation
	Check the condition of the guard under the engine and make sure it is correctly fitted	Move on to Step 2	1. Under-engine guard 2. Under-engine guard not fastened correctly	1. Replace the under-engine guard Op. 7055B54 PROTECTION/GUARD UNDER ENGINE -R.R. 2. Restore the fastening of the partition
2	UNDER-FLOOR PANEL CHECK	All OK	Problems encountered	Operation
	Check the trim under the floor panel. In particular, check: - The plugs are present; - The plugs are correctly fitted; - The seals are present and in good condition	End of diagnosis	Problems with the trim under the floor panel	Renew the plugs and seals for the trim under the floor panel

With the vehicle moving, noise can be heard coming from the lower area of the passenger compartment