Kia Sedona (2008 year). Instruction — part 66
TERMINAL & CONNECTOR INSPECTION
Refer to TERMINAL & CONNECTOR INSPECTION.
INSPECTION PROCEDURE
1. PREPARATION
Refer to PREPARATION OF INSPECTION.
2. CHECK CAB RESISTANCE
1. Connect the Dummy and the Dummy Adapter on CAB harness connector.
2. Measure resistance between the terminal 10 (11) and 9 (12) of SRSCM harness connector (B).
Specification (resistance): 1.6-4.7 ohms
Fig. 59: Checking CAB Resistance
3. Is the measured resistance within specification?
YES
Replace the Curtain Airbag (CAB) module.
NO
Check open circuit.
3. CHECK OPEN CIRCUIT
1. Measure resistance between the terminal 1 of CAB harness connector and the terminal 10 (11) of
CAUTION: Never attempt to measure the circuit resistance of the airbag module
(squib) even if you are using the specified tester.
2008 Kia Sedona EX
2008 RESTRAINTS Troubleshooting (Airbag) - Sedona
Microsoft
Monday, May 24, 2010 3:55:01 PM
Page 67
© 2006 Mitchell Repair Information Company, LLC.
SRSCM harness connector (B).
2. Measure resistance between the terminal 2 of CAB harness connector and the terminal 9 (12) of
SRSCM harness connector (B).
Specification (resistance): below 1 ohms.
Fig. 60: Checking Open Circuit
3. Is the measured resistance within specification?
YES
Check short circuit.
NO
Repair or replace the wiring harness between the CAB and the SRSCM.
4. CHECK SHORT CIRCUIT
1. Measure resistance between the terminal 1 and 2 of CAB harness connector.
Specification (resistance): infinite
Fig. 61: Checking Short Circuit
2008 Kia Sedona EX
2008 RESTRAINTS Troubleshooting (Airbag) - Sedona
Microsoft
Monday, May 24, 2010 3:55:02 PM
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© 2006 Mitchell Repair Information Company, LLC.
2. Is the measured resistance within specification?
YES
Go to next step.
NO
Repair or replace the wiring harness between the CAB and the SRSCM.
5. CLEAR THE DTC AND CHECK THE VEHICLE AGAIN
Refer to CLEAR THE DTC AND CHECK THE VEHICLE AGAIN.
DTC B1475 CURTAIN AIRBAG [FRONT-DRIVER] CIRCUIT SHORT TO GROUND; DTC B1479
CURTAIN AIRBAG [FRONT-PASSENGER] CIRCUIT SHORT TO GROUND
DTC DESCRIPTION
The CAB squib circuit consists of the SRSCM and CAB. The above DTC is recorded when short to ground is
detected in the CAB squib circuit.
DTC DETECTING CONDITION
DTC DETECTING CONDITION
SCHEMATIC DIAGRAM
DTC
Condition
Probable cause
B1475
B1479
Short to ground between CAB and SRSCM
Curtain Airbag (CAB) Malfunction
SRSCM Malfunction
Short to ground 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 69
© 2006 Mitchell Repair Information Company, LLC.
Fig. 62: Curtain Airbag - Schematic Diagram
TERMINAL & CONNECTOR INSPECTION
Refer to TERMINAL & CONNECTOR INSPECTION.
INSPECTION PROCEDURE
1. PREPARATION
Refer to PREPARATION OF INSPECTION.
2. CHECK SHORT TO GROUND
1. Measure resistance between the terminal 1 of CAB harness connector and chassis ground.
Specification (resistance): infinite
2008 Kia Sedona EX
2008 RESTRAINTS Troubleshooting (Airbag) - Sedona
Microsoft
Monday, May 24, 2010 3:55:02 PM
Page 70
© 2006 Mitchell Repair Information Company, LLC.
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