Kia Sedona (2008 year). Instruction — 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

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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

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© 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.