Kia Sedona (2008 year). Instruction — part 177

Fig. 146: Measuring Waveform Between Terminal 10 Of IMS And Chassis Ground
Courtesy of KIA MOTORS AMERICA, INC.

Fig. 147: Identifying Waveform
Courtesy of KIA MOTORS AMERICA, INC.

4. Is the measured voltage within specifications in Fig. 147?

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 power seat slide sensor and check for proper operation. If the
problem is corrected, replace power seat slide sensor and then go to "VERIFICATION OF
VEHICLE REPAIR" procedure.

VERIFICATION OF VEHICLE REPAIR

Refer to DTC B1954.

2008 Kia Sedona EX

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

Microsoft

Monday, May 24, 2010 4:19:18 PM

Page 177

© 2006 Mitchell Repair Information Company, LLC.

DTC B1958 PEDAL MOTOR OR SENSOR ERROR

COMPONENT LOCATION

Fig. 148: Locating IMS, Brake Pedal Sensor & Stop Lamp Switch
Courtesy of KIA MOTORS AMERICA, INC.

GENERAL DESCRIPTION

Refer to DTC B1954.

DTC DESCRIPTION

The ECM sets DTC B1958 if there's any fault in brake pedal sensor signal.

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 (DTCs) "mode and monitor "DTC Status" parameter.

4. Is the DTC B1958 present?

Item

Detecting Condition

Possible Cause

DTC Strategy



Check no. of pulse



Open or short in signal
harness



Open or short in power
harness



Faulty brake pedal motor



Faulty brake pedal sensor

Enable Conditions



IGN `ON' & Engine `OFF'
& brake pedal s/w `ON'

Threshold value



0.06V per sec

Detecting time



1 sec

FAIL SAFE

-

2008 Kia Sedona EX

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

Microsoft

Monday, May 24, 2010 4:19:18 PM

Page 178

© 2006 Mitchell Repair Information Company, LLC.

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 B1954.

SIGNAL CIRCUIT INSPECTION

1. Check for open in harness

1. Ignition "OFF".

2. Measure resistance between terminal "7" of IMS and terminal "2" of brake pedal sensor.

Specification: Approx. 0 ohms

Fig. 149: Measuring Resistance Between Terminal 7 Of IMS And Terminal 2 Of Brake Pedal
Sensor
Courtesy of KIA MOTORS AMERICA, INC.

3. Is the measured resistance 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 4:19:18 PM

Page 179

© 2006 Mitchell Repair Information Company, LLC.

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

2. Check for short in harness

1. Ignition "OFF".

2. Disconnect brake pedal motor.

3. Measure resistance between terminal "7" of IMS and chassis ground.

Specification :Approx. infinity kohms

Fig. 150: Measuring Resistance Between Terminal 7 Of IMS And Chassis Ground
Courtesy of KIA MOTORS AMERICA, INC.

4. Is the measured resistance within specifications?

YES

Go to "POWER CIRCUIT INSPECTION" procedure.

NO

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

POWER SUPPLY CIRCUIT INSPECTION

MOTOR POWER CIRCUIT INSPECTION

1. Check for open in harness

1. Ignition "OFF"

2. Disconnect brake pedal motor.

3. Measure resistance between terminal "5" of IMS and terminal "2" of power seat slide motor.

4. Measure resistance between terminal "12" of IMS and terminal "1" of power seat slide motor.

Specification: Approx. 0 ohms

2008 Kia Sedona EX

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

Microsoft

Monday, May 24, 2010 4:19:18 PM

Page 180

© 2006 Mitchell Repair Information Company, LLC.