Kia Sedona (2008 year). Manual - part 152

is corrected, replace multifunction switch and then go to "VERIFICATION OF VEHICLE 
REPAIR" procedure. 

2. Check IPM 

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

2. Ignition "ON" & engine "OFF".  

3. Substitute with a known-good IPM and Check if the DTC is erased.  

4. Is the DTC erased? 

YES  

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

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

VERIFICATION OF VEHICLE REPAIR 

Refer to DTC B1102. 

DTC B1591 TURN SIGNAL MF SWITCH ERROR 

COMPONENT LOCATION 

Refer to DTC B1588. 

GENERAL DESCRIPTION 

Refer to DTC B1588. 

DTC DESCRIPTION 

The ECM sets DTC B1590 if received turn signal of multifunction switch is invalid. 

DTC DETECTING CONDITION 

Refer to DTC B1588. 

MONITOR DTC STATUS 

 

2008 Kia Sedona EX 

2008 ACCESSORIES & BODY, CAB BCM (Body Control Module) - Sedona

  

Microsoft 

 

Monday, May 24, 2010 4:19:17 PM

Page 77 

© 2006 Mitchell Repair Information Company, LLC. 

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

2. Ignition "ON" & engine "OFF".  

3. Select "Diagnostic Trouble Codes (DTC s)" mode and monitor "DTC Status" parameter.  

4. Is the DTC B1590 present? 

YES  

Go to TERMINAL AND CONNECTOR INSPECTION procedure. 

NO  

Fault is intermittent caused by poor contact in the sensor's and/or ECM's connector or was repaired and 
ECM 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 B1102. 

SIGNAL CIRCUIT INSPECTION 

1. Check for short in harness 

1. Ignition "ON" and Engine "OFF" & turn signal switch "OFF".  

2. Measure resistance between terminal "BCM-IM-13,60" of IPM and chassis ground. 

Specification: infinity ohms 

Fig. 66: Measuring Resistance Between Terminal BCM-IM-13,60 Of IPM And Chassis 
Ground 
Courtesy of KIA MOTORS AMERICA, INC. 

3. Is the measured resistance within specifications? 

 

2008 Kia Sedona EX 

2008 ACCESSORIES & BODY, CAB BCM (Body Control Module) - Sedona

  

Microsoft 

 

Monday, May 24, 2010 4:19:17 PM

Page 78 

© 2006 Mitchell Repair Information Company, LLC. 

YES  

Go to "COMPONENT INSPECTION" procedure. 

NO  

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

COMPONENT INSPECTION 

1. Check Multifunction switch 

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

2. Ignition "ON" & engine "OFF".  

3. Check combination of turn signal while operating turn signal switch. 

Specification : 

left turn --> L/TURN SIGNAL `ON' & R/TURN SIGNAL `OFF' 

right turn --> L/TURN SIGNAL `OFF' & R/TURN SIGNAL `ON' 

Fig. 67: Identifying Scan Tool Display - Current Data Of Turn Signal 
Courtesy of KIA MOTORS AMERICA, INC. 

4. Is the measured current data within specifications? 

YES  

Go to step 2. 

NO  

 

2008 Kia Sedona EX 

2008 ACCESSORIES & BODY, CAB BCM (Body Control Module) - Sedona

  

Microsoft 

 

Monday, May 24, 2010 4:19:17 PM

Page 79 

© 2006 Mitchell Repair Information Company, LLC. 

Substitute with a known-good multifunction switch and check for proper operation. If the problem 
is corrected, replace multifunction switch and then go to "VERIFICATION OF VEHICLE 
REPAIR" procedure. 

2. Check IPM 

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

2. Ignition "ON" & engine "OFF".  

3. Substitute with a known-good IPM and Check if the DTC is erased.  

4. Is the DTC erased? 

YES  

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

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

VERIFICATION OF VEHICLE REPAIR 

Refer to DTC B1102. 

DTC B1602 CAN BUS PHYSICAL ERROR, BUS FAILURE 

COMPONENT LOCATION 

 

2008 Kia Sedona EX 

2008 ACCESSORIES & BODY, CAB BCM (Body Control Module) - Sedona

  

Microsoft 

 

Monday, May 24, 2010 4:19:17 PM

Page 80 

© 2006 Mitchell Repair Information Company, LLC.