Kia Sedona (2008 year). Instruction — part 67

Fig. 63: Checking Short To Ground

2. Is the measured resistance within specification?

YES



Check the CAB Module.

NO



Repair or replace the wiring harness between the CAB and the SRSCM.

3. CHECK THE CAB MODULE

1. Replace the Curtain Airbag (CAB) 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 Curtain Airbag (CAB)?

YES



Go to next step.

NO



Replace CAB module.

4. CLEAR THE DTC AND CHECK THE VEHICLE AGAIN

Refer to CLEAR THE DTC AND CHECK THE VEHICLE AGAIN.

2008 Kia Sedona EX

2008 RESTRAINTS Troubleshooting (Airbag) - Sedona

Microsoft

Monday, May 24, 2010 3:55:02 PM

Page 71

© 2006 Mitchell Repair Information Company, LLC.

DTC B1476 CURTAIN AIRBAG [FRONT-DRIVER] CIRCUIT SHORT TO BATTERY; DTC B1480
CURTAIN AIRBAG [FRONT-PASSENGER] CIRCUIT SHORT TO BATTERY

DTC DESCRIPTION

The CAB squib circuit consists of the SRSCM and CAB. The above DTC is recorded when short to battery is
detected in the CAB squib circuit.

DTC DETECTING CONDITION

DTC DETECTING CONDITION

SCHEMATIC DIAGRAM

Fig. 64: Curtain Airbag - Schematic Diagram

TERMINAL & CONNECTOR INSPECTION

Refer to TERMINAL & CONNECTOR INSPECTION.

INSPECTION PROCEDURE

DTC

Condition

Probable cause

B1476
B1480



Short to battery between CAB and
SRSCM



Curtain Airbag (CAB) Malfunction



SRSCM Malfunction



Short to battery line circuit on wiring
harness



Curtain Airbag (CAB) squib



SRSCM

2008 Kia Sedona EX

2008 RESTRAINTS Troubleshooting (Airbag) - Sedona

Microsoft

Monday, May 24, 2010 3:55:02 PM

Page 72

© 2006 Mitchell Repair Information Company, LLC.

1. PREPARATION

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 CAB harness connector and chassis ground.

Specification (voltage): Approximately 0 V

Fig. 65: Checking Short To Battery Line

4. Is the measured voltage within specification?

YES



Check the CAB Module.

NO



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

3. CHECK THE CAB MODULE

1. Replace the Curtain Airbag (CAB) 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.

2008 Kia Sedona EX

2008 RESTRAINTS Troubleshooting (Airbag) - Sedona

Microsoft

Monday, May 24, 2010 3:55:02 PM

Page 73

© 2006 Mitchell Repair Information Company, LLC.

Does Hi-Scan (Pro) indicate any DTC related to Curtain Airbag (CAB)?

YES



Go to next step.

NO



Replace CAB module.

4. CLEAR THE DTC AND CHECK THE VEHICLE AGAIN

Refer to CLEAR THE DTC AND CHECK THE VEHICLE AGAIN.

DTC B1481 (2ND STAGE) DRIVER AIRBAG RESISTANCE TOO HIGH; DTC B1482 (2ND STAGE)
DRIVER AIRBAG RESISTANCE TOO LOW

DTC DESCRIPTION

The Driver Airbag circuit consists of the SRSCM, Clockspring and the Driver Airbag (DAB) which has two
squib circuits. The SRSCM sets above DTC (s) if it detects that the resistance of DAB squib is too high or low.

DTC DETECTING CONDITION

DTC DETECTING CONDITION

SCHEMATIC DIAGRAM

DTC

Condition

Probable cause

B1481
B1482



Too high or low resistance between DAB high (+)
and DAB low (-)



Driver Airbag (DAB) Malfunction



Clockspring Malfunction



SRSCM Malfunction



Open or short circuit on wiring
harness



Driver Airbag (DAB) squib



Clockspring



SRSCM

2008 Kia Sedona EX

2008 RESTRAINTS Troubleshooting (Airbag) - Sedona

Microsoft

Monday, May 24, 2010 3:55:02 PM

Page 74

© 2006 Mitchell Repair Information Company, LLC.