Kia Sedona (2008 year). Instruction — part 62

DTC B1381 SIDE AIRBAG [FRONT-DRIVER] CIRCUIT SHORT TO BATTERY; DTC B1385 SIDE
AIRBAG [FRONT-PASSENGER] CIRCUIT SHORT TO BATTERY

DTC DESCRIPTION

The Side Airbag circuit consists of the SRSCM and two Side Airbags (SAB). The SRSCM sets above DTC (s)
if it detects short to battery line on the SAB circuit.

DTC DETECTING CONDITION

DTC DETECTING CONDITION

SCHEMATIC DIAGRAM

Fig. 46: Side Airbag - Schematic Diagram

TERMINAL & CONNECTOR INSPECTION

Refer to TERMINAL & CONNECTOR INSPECTION.

INSPECTION PROCEDURE

1. PREPARATION

DTC

Condition

Probable cause

B1381
B1385



Short to battery line between SAB and
SRSCM



Side Airbag (SAB) Malfunction



SRSCM Malfunction



Short to battery line circuit on wiring
harness



Side Airbag (SAB) squib



SRSCM

2008 Kia Sedona EX

2008 RESTRAINTS Troubleshooting (Airbag) - Sedona

Microsoft

Monday, May 24, 2010 3:55:01 PM

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Refer to PREPARATION OF INSPECTION.

2. CHECK SHORT TO BATTERY LINE

1. Connect the battery negative cable to the battery.

2. Turn the ignition switch to ON.

3. Measure voltage between the terminal 1 of SAB harness connector and chassis ground.

Specification (voltage): Approximately 0 V

Fig. 47: Checking Short To Battery Line

4. Is the measured voltage within specification?

YES



Check the SAB Module.

NO



Repair the short to battery line circuit on wiring harness between the SAB and the SRSCM.

3. CHECK THE SAB MODULE

1. Replace the Side Airbag (SAB) with a new one.



Refer to AIR BAG MODULE (CURTAIN AIR BAG) .

2. Install the DAB module and connect the DAB connector.

3. Connect the connectors of the PAB, SAB, CAB, BPT, FIS and SIS.

4. Connect the SRSCM connector.

5. Connect the battery negative cable to the battery.

6. Connect a Hi-Scan (Pro) to the data link connector.

7. Turn the ignition switch to ON and check the vehicle again.

Does Hi-Scan (Pro) indicate any DTC related to Side Airbag (SAB)

YES

2008 Kia Sedona EX

2008 RESTRAINTS Troubleshooting (Airbag) - Sedona

Microsoft

Monday, May 24, 2010 3:55:01 PM

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© 2006 Mitchell Repair Information Company, LLC.



Go to next step.

NO



Replace SAB module.

4. CLEAR THE DTC AND CHECK THE VEHICLE AGAIN

Refer to CLEAR THE DTC AND CHECK THE VEHICLE AGAIN.

DTC B1387 SEAT TRACK POSITION SENSOR [DRIVER] SHORT OR SHORT TO GROUND

DTC DESCRIPTION

The Seat Track Position Sensor (STPS) circuit consists of the SRSCM and STPS. The SRSCM sets above DTC
(s) if it detects short or short to ground on the STPS circuit. The "Seat Forward" status currently represents a
seat position in which the deployment of the second stage airbag is prohibited.

DTC DETECTING CONDITION

DTC DETECTING CONDITION

SCHEMATIC DIAGRAM

DTC

Condition

Probable cause

B1387



Short between STPS and SRSCM



Short to ground between STPS and
SRSCM



STPS Malfunction



SRSCM Malfunction



Short or short to ground circuit on wiring
harness



STPS



SRSCM

2008 Kia Sedona EX

2008 RESTRAINTS Troubleshooting (Airbag) - Sedona

Microsoft

Monday, May 24, 2010 3:55:01 PM

Page 53

© 2006 Mitchell Repair Information Company, LLC.

Fig. 48: Seat Track Position Sensor - Schematic Diagram

SPECIFICATION

SEAT TRACK POSITION SENSOR CURRENT SPECIFICATION

TERMINAL & CONNECTOR INSPECTION

Refer to TERMINAL & CONNECTOR INSPECTION.

INSPECTION PROCEDURE

1. PREPARATION

Refer to PREPARATION OF INSPECTION.

2. CHECK SHORT OR SHORT TO GROUND

1. Disconnect the STPS connector.

2. Measure resistance between the terminal 1 of STPS harness connector and chassis ground.

3. Measure resistance between the terminal 1 and 2 of STPS harness connector.

specification (resistance): infinite

Fig. 49: Checking Short To Ground

4. Is the measured resistance within specification?

YES

STPS Status

Current (mA)

Related DTC

Open or Short to Battery

< 3.98

B1388

Forward

5-7

Defect

8.62-9.94

B1389

Rearward

12-17

Short or Short to Ground

> 20.83

B1387

2008 Kia Sedona EX

2008 RESTRAINTS Troubleshooting (Airbag) - Sedona

Microsoft

Monday, May 24, 2010 3:55:01 PM

Page 54

© 2006 Mitchell Repair Information Company, LLC.