Kia Sedona (2008 year). Manual - part 120

Fig. 122: Measuring Resistance Between Terminals Of A/T Control Relay And PCM/TCM 
Harness Connector 
Courtesy of KIA MOTORS AMERICA, INC. 

4. Is resistance within specifications? 

YES  



Go to "GROUND CIRCUIT INSPECTION" procedure.  

NO  



Check that A/T-20A Fuse in engine room junction is installed or not blown.  



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

GROUND CIRCUIT INSPECTION 

1. Ignition "OFF".  

2. Connect the "A/T CONTROL RELAY" connector.  

3. Measure the resistance between terminal "2" of the "A/T CONTROL RELAY" harness connector and 

chassis ground. 

Specification: Approx. 0 ohms 

 

2008 Kia Sedona EX 

2008 TRANSMISSION Automatic Transaxle System - Sedona

  

Microsoft 

 

Monday, May 24, 2010 3:47:54 PM

Page 139 

© 2006 Mitchell Repair Information Company, LLC. 

Fig. 123: Measuring Resistance Between Terminal A/T Control Relay Harness Connector And 
Chassis Ground 
Courtesy of KIA MOTORS AMERICA, INC. 

4. Is resistance within specifications? 

YES  



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.  

NO  



Replace Front Area Module 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.  

2. Using a scan tool, Clear DTC.  

3. Operate the vehicle within DTC Enable conditions in General information.  

4. Are any DTCs present ? 

YES  



Go to the applicable troubleshooting procedure.  

NO  



System performing to specification at this time.  

DTC P0890 AT RELAY - LOW CIRCUIT 

GENERAL DESCRIPTION 

 

2008 Kia Sedona EX 

2008 TRANSMISSION Automatic Transaxle System - Sedona

  

Microsoft 

 

Monday, May 24, 2010 3:47:54 PM

Page 140 

© 2006 Mitchell Repair Information Company, LLC. 

Refer to DTC P0885. 

DTC DESCRIPTION 

Refer to DTC P0885. 

DTC DETECTING CONDITION 

DTC DETECTING CONDITION CHART 

SCHEMATIC DIAGRAM 

Refer to DTC P0885. 

MONITOR SCAN TOOL DATA 

Refer to DTC P0885. 

TERMINAL & CONNECTOR INSPECTION 

Refer to DTC P0885. 

POWER SUPPLY CIRCUIT INSPECTION 

Refer to DTC P0885. 

SIGNAL CIRCUIT INSPECTION 

Refer to DTC P0885. 

GROUND CIRCUIT INSPECTION 

Refer to DTC P0885. 

VERIFICATION OF VEHICLE REPAIR 

Item

Detecting Condition

Possible cause

DTC Strategy 



Check voltage range  



Open or short in circuit  



Faulty A/T control relay  



Faulty PCM/TCM  

Enable Conditions 



16V > Voltage Battery > 
11V  



A/T Relay = ON  

Threshold value 



Feedback Voltage < or = 
0.5V  

Diagnostic Time 



1 second  

Fall Safe 



Locked in 3rd gear (control 
relay off)  

 

2008 Kia Sedona EX 

2008 TRANSMISSION Automatic Transaxle System - Sedona

  

Microsoft 

 

Monday, May 24, 2010 3:47:54 PM

Page 141 

© 2006 Mitchell Repair Information Company, LLC. 

Refer to DTC P0885. 

DTC P0891 AT RELAY - OPEN CIRCUIT 

GENERAL DESCRIPTION 

Refer to DTC P0885. 

DTC DESCRIPTION 

Refer to DTC P0885. 

DTC DETECTING CONDITION 

DTC DETECTING CONDITION CHART 

SCHEMATIC DIAGRAM 

Refer to DTC P0885. 

MONITOR SCAN TOOL DATA 

Refer to DTC P0885. 

TERMINAL & CONNECTOR INSPECTION 

Refer to DTC P0885. 

POWER SUPPLY CIRCUIT INSPECTION 

Refer to DTC P0885. 

SIGNAL CIRCUIT INSPECTION 

Refer to DTC P0885. 

Item

Detecting Condition

Possible cause

DTC Strategy 



Check voltage range  



Open or short in circuit  



Faulty A/T control relay  



Faulty PCM/TCM  

Enable Conditions 



16V > Voltage Battery > 
11V  



A/T Relay = ON  

Threshold value 



Feedback Voltage > or = 
20V  

Diagnostic Time 



1 second  

Fall Safe 



Locked in 3rd gear (control 
relay off)  

 

2008 Kia Sedona EX 

2008 TRANSMISSION Automatic Transaxle System - Sedona

  

Microsoft 

 

Monday, May 24, 2010 3:47:54 PM

Page 142 

© 2006 Mitchell Repair Information Company, LLC.