Kia Sedona (2008 year). Instruction — part 262

NO

Substitute with a known-good actuator and check for proper operation.

If the problem is corrected, replace actuator and then go to "VERIFICATION OF VEHICLE
REPAIR" procedure.

3. Check A/C Control Unit.

1. Engine "ON"

2. Connect A/C Control Unit.

3. Measure voltage between terminal "10" and "13" of A/C Control Unit while operating the temp,

switch.

Specification :Approx. 12V

Fig. 192: Checking Voltage Between Terminal "10" And "13" Of A/C Control Unit
Courtesy of KIA MOTORS AMERICA, INC.

4. Is the measured voltage within specifications?

YES

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.

NO

Substitute with a known-good A/C Control Unit and check for proper operation.

If the problem is corrected, replace A/C Control Unit and then go to "VERIFICATION OF
VEHICLE REPAIR" procedure.

VERIFICATION OF VEHICLE REPAIR

After a repair, it is essential to verify that the fault has been corrected.

1. Connect scan tool and select "Diagnostic Trouble Codes (DTCs)" mode and then clear DTC.

2008 Kia Sedona EX

2008 HVAC Blower & A/C Controls (Automatic) - Sedona

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2. Operate the vehicle and monitor the DTC on the scan tool.

3. Are any DTCs present?

YES

Go to the applicable troubleshooting procedure.

NO

System is performing to specification at this time.

DTC B2416 DIRECTION CONTROL MOTOR (PASSENGER)

COMPONENT LOCATION

Fig. 193: Identifying Temp Control Actuator (Passenger) Component Location
Courtesy of KIA MOTORS AMERICA, INC.

GENERAL DESCRIPTION

The mode control actuator mounted on heater unit, adjusts position of mode door by operating Direction Motor
based on signal of A/C control unit. Pressing mode select switch makes the mode control actuator shift in order
of vent --> B/L --> floor --> mix.

DTC DESCRIPTION

The A/C controller sets DTC B2416 if the direction motor doesn't move to intended position within 40 sec (In
this case, A/C controller try to move mode door for 2 sec. 3 times, every 20 sec. before setting DTC).

DTC DETECTING CONDITION

DTC DETECTING CONDITION CHART

Item

Detecting Condition

Possible cause

2008 Kia Sedona EX

2008 HVAC Blower & A/C Controls (Automatic) - Sedona

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SPECIFICATION

Fig. 194: Output Voltage Graph
Courtesy of KIA MOTORS AMERICA, INC.

MONITOR SCAN TOOL DATA

1. Connect scan tool to Data Link Connector (DLC).

2. Engine "ON"

3. Monitor the "PA DIRECTION POTENTIO" parameter on the scan tool while operating mode switch.

DTC Strategy



Voltage check



Poor connection of connected part



Open circuit in harness



Short circuit in harness



Faulty driver direction potentiometer



Fault A/C Control Unit.

Threshold value



< 0.1V

Detecting time



0.3 sec

FAIL SAFE

-

2008 Kia Sedona EX

2008 HVAC Blower & A/C Controls (Automatic) - Sedona

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Fig. 195: Diagnosis Function Screen Display - Direction Potentiometer PA
Courtesy of KIA MOTORS AMERICA, INC.

4. Are the DTC B2416 present and is parameter of "Passenger DIRECTION POTENTIO." fixed?

There is any fault in Passenger Direction Motor. If the parameter of "Passenger DIRECTION
POTENTIO." is 10% or less on "VENT" mode, or If the parameter is 90% or more on "DEF" mode.

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.

TERMINAL AND CONNECTOR INSPECTION

1. Many malfunctions in the electrical system are caused by poor harness and terminals.

Faults can also be caused by interference from other electrical systems, and mechanical or chemical
damage.

2. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination,

deterioration, or damage.

3. Has a problem been found?

YES

Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR" procedure.

NO

Go to "SIGNAL CIRCUIT INSPECTION" procedure.

SIGNAL CIRCUIT INSPECTION

1. Check for open in harness.

1. Ignition "OFF"

2. Disconnect Passenger mode Actuator.

3. Measure resistance between terminal "3, 4" of Passenger Direction Motor and terminal "15, 16" of

A/C control unit.

2008 Kia Sedona EX

2008 HVAC Blower & A/C Controls (Automatic) - Sedona

Microsoft

Monday, May 24, 2010 3:56:09 PM

Page 173

© 2006 Mitchell Repair Information Company, LLC.