Kia Sedona (2008 year). Instruction — part 65

Does Hi-Scan (Pro) indicate any DTC related to Side Impact Sensor (SIS)?

YES



Go to next step.

NO



Replace SIS.

3. CLEAR THE DTC AND CHECK THE VEHICLE AGAIN

Refer to CLEAR THE DTC AND CHECK THE VEHICLE AGAIN.

DTC B1412 SIDE IMPACT SENSOR [REAR-DRIVER] DEFECT; DTC B1413 SIDE IMPACT
SENSOR [REAR-PASSENGER] DEFECT; DTC B1418 SIDE IMPACT SENSOR [REAR-DRIVER]
COMMUNICATION ERROR; DTC B1419 SIDE IMPACT SENSOR [REAR-PASSENGER]
COMMUNICATION ERROR

DTC DESCRIPTION

The detecting system for side crash consists of the SRSCM and four Side Impact Sensors (SIS). The SRSCM
sets above DTC (s) if it detects that any SIS is defective or there is communication error between any SIS and
the SRSCM.

DTC DETECTING CONDITION

DTC DETECTING CONDITION

SCHEMATIC DIAGRAM

DTC

Condition

Probable cause

B1412
B1413
B1418
B1419



Open between SIS and SRSCM



Side Impact Sensor (SIS) Malfunction



SRSCM Malfunction



Wiring Harness



Side Impact Sensor (SIS)



SRSCM

2008 Kia Sedona EX

2008 RESTRAINTS Troubleshooting (Airbag) - Sedona

Microsoft

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

Page 63

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Fig. 56: Side Impact Sensor - Schematic Diagram

TERMINAL & CONNECTOR INSPECTION

Refer to TERMINAL & CONNECTOR INSPECTION.

INSPECTION PROCEDURE

1. PREPARATION

Refer to PREPARATION OF INSPECTION.

2. CHECK SIS CIRCUIT

1. Measure resistance between the terminal 1 of rear SIS harness connector and the terminal 4 of front

SIS harness connector.

2. Measure resistance between the terminal 2 of rear SIS harness connector and the terminal 3 of front

SIS harness connector.

Specification (resistance): below 1 ohms

2008 Kia Sedona EX

2008 RESTRAINTS Troubleshooting (Airbag) - Sedona

Microsoft

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

Page 64

© 2006 Mitchell Repair Information Company, LLC.

Fig. 57: Checking SIS Circuit

3. Is the measured resistance within specification?

YES



Check rear Side Impact Sensor.

NO



Repair or replace the wiring harness between the rear SIS and front SIS.

3. CHECK THE SIDE IMPACT SENSOR

1. Replace the Side Impact Sensor (SIS) with a new one.



Refer to "SIDE IMPACT SENSOR (SIS) ".

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 Impact Sensor (SIS)?

YES



Go to next step.

NO



Replace SIS.

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 3:55:01 PM

Page 65

© 2006 Mitchell Repair Information Company, LLC.

DTC B1473 CURTAIN AIRBAG [FRONT-DRIVER] RESISTANCE TOO HIGH; DTC B1474
CURTAIN AIRBAG [FRONT-DRIVER] RESISTANCE TOO LOW; DTC B1477 CURTAIN AIRBAG
[FRONT-PASSENGER] RESISTANCE TOO HIGH; DTC B1478 CURTAIN AIRBAG [FRONT-
PASSENGER] RESISTANCE TOO LOW

DTC DESCRIPTION

The CAB squib circuit consists of the SRSCM and two Curtain Airbags (CAB). The above DTC is recorded
when the CAB resistance too high or low is detected in the CAB squib circuit.

DTC DETECTING CONDITION

DTC DETECTING CONDITION

SCHEMATIC DIAGRAM

Fig. 58: Curtain Airbag - Schematic Diagram

SPECIFICATION

CAB resistance: 1.6-4.7 ohms

DTC

Condition

Probable cause

B1473
B1474
B1477
B1478



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



Curtain Airbag (CAB) Malfunction



SRSCM Malfunction



Open or short circuit on wiring
harness



Curtain Airbag (CAB) squib



SRSCM

2008 Kia Sedona EX

2008 RESTRAINTS Troubleshooting (Airbag) - Sedona

Microsoft

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

Page 66

© 2006 Mitchell Repair Information Company, LLC.