Connect diagnostic tool to the DLC.
Warm up the engine to normal temperature after engine start
Select " Intake Potentiometer " parameter on the current data with scantool
Perform Actuation Test for Air Inlet Mode Selection - Reculation /Fresh in order.
During the actuation test, verify the position sensor data.
Specification : Recirculation : About 90%, Fresh : About 10%.
Does the position sensor data change when performing the actuation test?
![]() | ▶ This is a intermittent problem caused by poor contact of component or Control Unit ▶ Thoroughly check the looseness, poor connection, bent, corrison, contamination, deformation or damage of connector. ▶ Repair or replace as necessary and then, go to "Verification of Vehicle Repair" procedure. |
![]() | ▶ Go to " Inspection/Repair " procedure. |