Kia Sedona (2008 year). Manual - part 263

Specification: Approx. 0 ohms 

Fig. 196: Checking Resistance Between Terminal "3, 4" Of Passenger Direction Motor And 
Terminal "15, 16" 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 Passenger mode Actuator.  

3. Measure resistance between terminal "3, 4" of Passenger 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

Page 174 

© 2006 Mitchell Repair Information Company, LLC. 

Fig. 197: Checking Resistance Between Terminal "3, 4" Of Rear 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 Passenger Direction Actuator works properly through ACTUATION TEST. 

1. Ignition: ON  

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

Fig. 198: Diagnosis Function Screen Display - Actuation Test 
Courtesy of KIA MOTORS AMERICA, INC. 

3. Does Passenger Direction Actuator work properly? 

YES  

 

2008 Kia Sedona EX 

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

  

Microsoft 

 

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

Page 175 

© 2006 Mitchell Repair Information Company, LLC. 

Go to "COMPONENT INSPECTION" procedure.

NO  

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. 

COMPONENT INSPECTION 

1. Check actuator. 

1. Ignition "OFF"  

2. Disconnect Passenger Direction potentiometer.  

3. Verify that the mode actuator operates to the vent mode when connecting 12V to the terminal "3 

and grounding terminal "4.  

4. Verify that the mode actuator operates to the def mode when the connections are reversed. 

Fig. 199: Checking Terminal 3 And Grounding Terminal 4 
Courtesy of KIA MOTORS AMERICA, INC. 

5. Does the actuator work properly? 

YES  

Go to step 2. 

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. 

2. Check potentiometer 

1. Ignition "ON"  

2. Connect Passenger Direction potentiometer.  

3. Measure voltage between terminal "5" and "6" of Passenger Direction potentiometer as the mode 

switch is operated. 

 

2008 Kia Sedona EX 

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

  

Microsoft 

 

Monday, May 24, 2010 3:56:10 PM

Page 176 

© 2006 Mitchell Repair Information Company, LLC. 

Specification: Refer to DOOR POSITION CHART

Fig. 200: Checking Voltage Between Terminal "5" And "6" Of Passenger Air Mix 
Potentiometer 
Courtesy of KIA MOTORS AMERICA, INC. 

DOOR POSITION CHART 

Fig. 201: Output Voltage Graph 
Courtesy of KIA MOTORS AMERICA, INC. 

4. Is the measured voltage within specifications in DOOR POSITION CHART? 

YES  

Door position

Voltage (5-6)

Error detecting

VENT

0.3 ± 0.15V

Under voltage: 

0.08V or less 

Over voltage: 4.92V 

or more

BI-LEVEL(1)

1.35 ± 0.4V

BI-LEVEL(2)

2.25 ± 0.4V

FLOOR

3.0 ± 0.4V

MIX

3.6 ± 0.4V

DEF

4.7 ± 0.15V

 

2008 Kia Sedona EX 

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

  

Microsoft 

 

Monday, May 24, 2010 3:56:10 PM

Page 177 

© 2006 Mitchell Repair Information Company, LLC.