Connect scantool with diagnostic connector.

Check that there is DTC on the engine side.

Check engine first if there is any DTC on the engine side and confirm that it is erasable.

If no DTC, Select "air conditioner pressure sensor" parameter on the Current data with scantool.

Check that the value of air conditioner pressure sensor is changable with A/C SW ON and OFF.

Is the air conditioner pressure sensor normal ?

	▶ Go to Next procedure.
	▶ Check air conditioner pressure sensor, circuit, or related component. Repair or replace as necessary and then, go to "Verification of Vehicle Repair" procedure.