Kia Sedona (2008 year). Instruction — part 257

Fig. 168: Identifying Mode Control Actuator (Driver's) Component Location
Courtesy of KIA MOTORS AMERICA, INC.

GENERAL DESCRIPTION

Refer to DTC B1249.

DTC DESCRIPTION

The A/C controller sets DTC B2409 if the direction motor doesn't move to intended position within 40sec (In
this case, A/C controller try to move mode door for 2sec. 3 times, every 20 sec. before setting DTC).

DTC DETECTING CONDITION

DTC DETECTING CONDITION CHART

SPECIFICATION

Refer to DTC B1249.

MONITOR SCAN TOOL DATA

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

2. Engine "ON"

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

Item

Detecting Condition

Possible cause

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

Microsoft

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Fig. 169: Diagnosis Function Screen Display - Direction Potentiometer DR
Courtesy of KIA MOTORS AMERICA, INC.

4. Are the DTC B2409 present and is parameter of "Driver DIRECTION POTENTIO." fixed?

There is any fault in Driver Direction Motor. If the parameter of "Driver 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

Refer to DTC B1249.

SIGNAL CIRCUIT INSPECTION

1. Check for open in harness.

1. Ignition "OFF"

2. Disconnect Driver mode Actuator.

3. Measure resistance between terminal "3, 4" of Driver Direction Motor and terminal "4, 5" 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

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Specification: Approx. 0 ohms

Fig. 170: Checking Resistance Between Terminal "3, 4" Of Driver Direction Motor And
Terminal "4, 5" Of A/C Control Unit
Courtesy of KIA MOTORS AMERICA, INC.

4. Is the measured resistance within specifications?

YES

Go to step 2.

NO

Check for open in signal harness. Repair as necessary and go to "VERIFICATION OF
VEHICLE REPAIR" procedure.

2. Check for short to ground in harness.

1. Ignition "OFF"

2. Disconnect Driver mode Actuator.

3. Measure resistance between terminal "3, 4" of Driver Direction Motor and chassis ground.

Specification: Approx. infinity ohms

2008 Kia Sedona EX

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

Microsoft

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

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© 2006 Mitchell Repair Information Company, LLC.

Fig. 171: Checking Resistance Between Terminal "3, 4" Of Driver Air Mix Motor And
Chassis Ground
Courtesy of KIA MOTORS AMERICA, INC.

4. Is the measured resistance within specifications?

YES

Go to "VISUAL/PHYSICAL INSPECTION" procedure.

NO

Check for short to ground in signal harness. Repair as necessary and go to "VERIFICATION OF
VEHICLE REPAIR" procedure.

VISUAL/PHYSICAL INSPECTION

1. Check actuator.

Check if Driver Direction Actuator works properly through ACTUATION TEST.

1. Ignition: ON

2. Connect scan tool and select "ACTUATION TEST" mode and press [F1]

Fig. 172: Diagnosis Function Screen Display - Actuation Test
Courtesy of KIA MOTORS AMERICA, INC.

3. Does Driver Direction Actuator work properly?

YES

Go to "COMPONENT INSPECTION" procedure.

NO

2008 Kia Sedona EX

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

Microsoft

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

Page 153

© 2006 Mitchell Repair Information Company, LLC.