Monitor Scan Tool Data

WARNING: This page is about a different variant/trim than selected.

Connect scan tool to Data Link Connector (DLC).
Engine "ON"
Monitor the "Intake Potentiometer" Parameter on the scan tool while operating Intake switch.

Fig 1: Diagnosis Function Screen Display - Intake Sensor
Courtesy of KIA MOTORS AMERICA, INC.
Are the DTC B2408 present and is parameter of "Intake Potentiometer" fixed?
There is any fault in Intake potentiometer. If the parameter of "Intake potentiometer" is 30% or less when the actuator operates to the fresh position, or If the parameter is 60% and more when the actuator operates to the recirculation position.

YES

Go to TERMINAL AND CONNECTOR INSPECTION procedure.

NO

Fault is intermittent caused by poor contact in the sensor's and/or A/C controller's connector or was repaired and A/C controller memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.