Kia Sedona (2008 year). Manual - part 75

DTC DETECTING CONDITION 

DTC DETECTING CONDITION 

SCHEMATIC DIAGRAM 

Fig. 94: Passenger Airbag Telltale Lamp - Schematic Diagram 

TERMINAL & CONNECTOR INSPECTION 

Refer to TERMINAL & CONNECTOR INSPECTION. 

INSPECTION PROCEDURE 

1. PREPARATION 

Refer to PREPARATION OF INSPECTION. 

2. CHECK THE FUSE 

DTC

Condition

Probable cause

B2502



Airbag fuse  



Telltale Lamp Bulb  



Open between Telltale Lamp and SRSCM  



Short to ground or battery line between the Telltale Lamp and 
SRSCM  



SRSCM Malfunction  



Fuse  



Telltale Lamp 
Bulb  



Wiring Harness  



SRSCM  

 

2008 Kia Sedona EX 

2008 RESTRAINTS Troubleshooting (Airbag) - Sedona

  

Microsoft 

 

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

Page 103 

© 2006 Mitchell Repair Information Company, LLC. 

1. Remove the airbag fuse and the airbag telltale lamp fuse from junction block.  

2. Inspect the fuses. Are the fuses normal? 

YES  



Check the telltale lamp bulb.  

NO  



Repair or replace the fuses.  

3. CHECK THE TELLTALE LAMP BULB 

1. Remove the bulb from the instrument cluster.  

2. Inspect the bulb. Is the bulb normal? 

YES  



Check source voltage.  

NO  



Repair or replace the bulb.  

4. CHECK SOURCE VOLTAGE 

1. Connect the battery negative cable to the battery.  

2. Turn the ignition switch to ON.  

3. Measure voltage between the terminal 5 of the Telltale Lamp harness connector and chassis 

ground. 

specification (voltage): 9-16 V 

Fig. 95: Checking Source Voltage 

4. Is the measured voltage within specification? 

YES  

 

2008 Kia Sedona EX 

2008 RESTRAINTS Troubleshooting (Airbag) - Sedona

  

Microsoft 

 

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

Page 104 

© 2006 Mitchell Repair Information Company, LLC. 



Check short to battery line.  

NO  



Repair or replace the wiring harness between ignition switch and the Telltale Lamp.  

5. CHECK SHORT TO BATTERY LINE 

1. Measure voltage between the terminal 6 of the Telltale Lamp harness connector and chassis 

ground. 

specification (voltage): Approximately 0 V 

Fig. 96: Checking Short To Battery Line 

2. Is the measured voltage within specification? 

YES  



Check short or short to ground.  

NO  



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

6. CHECK SHORT OR SHORT TO GROUND 

1. Turn the ignition switch to LOCK.  

2. Disconnect the battery negative cable from the battery.  

3. Measure resistance between the terminal 6 of the Telltale Lamp harness connector and chassis 

ground.  

4. Measure resistance between the terminal 5 and 6 of the Telltale Lamp harness connector. 

specification (resistance): infinite

 

2008 Kia Sedona EX 

2008 RESTRAINTS Troubleshooting (Airbag) - Sedona

  

Microsoft 

 

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

Page 105 

© 2006 Mitchell Repair Information Company, LLC. 

Fig. 97: Checking Short To Ground 

5. Is the measured resistance within specification? 

YES  



Check open circuit.  

NO  



Repair the short or short to ground circuit on wiring harness between the SRSCM and the 
Telltale Lamp.  

7. CHECK OPEN CIRCUIT 

1. Measure resistance between the terminal 6 of the Telltale Lamp harness connector and the terminal 

18 (A) of SRSCM harness connector. 

specification (resistance): below 1 ohms 

Fig. 98: Checking Open Circuit 

2. Is the measured resistance within specification? 

YES  



Go to next step.  

NO  

 

2008 Kia Sedona EX 

2008 RESTRAINTS Troubleshooting (Airbag) - Sedona

  

Microsoft 

 

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

Page 106 

© 2006 Mitchell Repair Information Company, LLC.