Kia Sedona (2008 year). Instruction — part 161

DTC B1646 doesn't show up by itself. It means that there's any fault in



Multifunction switch signal (light, wiper)



CAN Communication line



FAM, RAM

so, B1646 show up with DTC B1603, B1611, B1612, B1950 and if these problems are solved, it
disappear automatically.

YES

Go to COMPONENT 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.

COMPONENT INSPECTION

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

2. Ignition "ON" & engine "OFF".

3. Erase the DTC.

4. Is the DTC erased?

YES

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

Refer diagnosis guide of accompanied DTC.

VERIFICATION OF VEHICLE REPAIR

Refer to DTC B1102.

DTC B1647 VAS ERROR

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 113

© 2006 Mitchell Repair Information Company, LLC.

Fig. 86: Locating VAS Switch
Courtesy of KIA MOTORS AMERICA, INC.

GENERAL DESCRIPTION

VAS gives warning to driver when major problem of vehicle occurs, when VAS operating condition, IPM
transmits `mute' signal to AV head unit to make speaker be in waiting mode, then IPM translate sound signal
from external amp to speaker through CMD relay, warning items of VAS are seatbelt, charging voltage,
sunroof, PSD/PTG, fuel shortage and VAS operates only when IG and VAS switch is "ON".

DTC DESCRIPTION

The ECM sets DTC B1647 if VAS doesn't operate within 5sec after VAS operation signal is transmitted.

DTC DETECTING CONDITION

DTC DETECTING CONDITION

MONITOR DTC STATUS

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 B1647 present?

YES

Item

Detecting Condition

Possible Cause

DTC Strategy



Check time lag. (time between VAS operation signal
and VAS operation)



Faulty IPM

Enable Conditions



IGN: ON, VAS switch: ON

Threshold value



5 sec

Detecting time

-

2008 Kia Sedona EX

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

Microsoft

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

Page 114

© 2006 Mitchell Repair Information Company, LLC.

Go to COMPONENT 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.

COMPONENT INSPECTION

1. Check IPM

1. Check regional properties of IPM.

2. Dose regional properties of IPM valid?

YES

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

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.

VERIFICATION OF VEHICLE REPAIR

Refer to DTC B1102.

DTC B1910 LEFT OSM HORIZONTAL MOTOR OR SENSOR ERROR

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 115

© 2006 Mitchell Repair Information Company, LLC.

Fig. 87: Locating DDM, Front Door Key Switch & Power Window Motor
Courtesy of KIA MOTORS AMERICA, INC.

GENERAL DESCRIPTION

DDM is a node of CAN communication system which consists of IPM. FAM, RAM, ADM, IMS. Main
function of DDM is lock/unlock of door and window, adjusting position and fold/unfold of outside mirror.
Outside mirror module consists of motor and position sensor. According to Outside mirror Switch signal,
Outside mirror motor adjusts position of mirror and position sensor delivers result to DDM by voltage value.

DTC DESCRIPTION

The ECM sets DTC B1910 if signal voltage of left outside mirror horizontal sensor is out of range.

DTC DETECTING CONDITION

DTC DETECTING CONDITION

MONITOR DTC STATUS

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 B1910 present?

Item

Detecting Condition

Possible Cause

DTC Strategy



Check Voltage



Open or short in signal
harness



Open or short in power
harness



Faulty outside mirror motor



Faulty outside mirror sensor



Faulty DDM

Enable Conditions



IGN `ON' & Engine `OFF'

Threshold value



1.04V < Output voltage <
3.95V

Detecting time



50 ms

FAIL SAFE

-

2008 Kia Sedona EX

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

Microsoft

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

Page 116

© 2006 Mitchell Repair Information Company, LLC.