Kia Sedona (2008 year). Manual - part 74

Fig. 89: SRS Warning Lamp - Schematic Diagram 

TERMINAL & CONNECTOR INSPECTION 

Refer to TERMINAL & CONNECTOR INSPECTION. 

INSPECTION PROCEDURE 

1. PREPARATION 

Refer to PREPARATION OF INSPECTION. 

2. CHECK THE FUSE 

1. Remove the airbag fuse and the airbag warning lamp fuse from junction box.  

2. Inspect the fuses. Are the fuses normal? 

YES  



Check the warning lamp bulb.  

NO  



Repair or replace the fuses.  

3. CHECK THE WARNING LAMP BULB 

1. Remove the bulb from the instrument cluster.  

2. Inspect the bulb. Is the bulb normal? 

 

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. 

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 17 of the Instrument Cluster harness connector and chassis 

ground. 

Specification (voltage): 9-16 V 

Fig. 90: Checking Source Voltage 

4. Is the measured voltage within specification? 

YES  



Check short to battery line.  

NO  



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

5. CHECK SHORT TO BATTERY LINE 

1. Measure voltage between the terminal 19 of the Instrument Cluster harness connector and chassis 

ground. 

Specification (voltage): Approximately 0 V

 

2008 Kia Sedona EX 

2008 RESTRAINTS Troubleshooting (Airbag) - Sedona

  

Microsoft 

 

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

Page 100 

© 2006 Mitchell Repair Information Company, LLC. 

Fig. 91: 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 
Warning 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 19 of the Instrument Cluster harness connector and 

chassis ground.  

4. Measure resistance between the terminal 19 and 17 of the Instrument Cluster harness connector. 

Specification (resistance): infinite 

Fig. 92: Checking Short To Ground 

5. Is the measured resistance within specification? 

 

2008 Kia Sedona EX 

2008 RESTRAINTS Troubleshooting (Airbag) - Sedona

  

Microsoft 

 

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

Page 101 

© 2006 Mitchell Repair Information Company, LLC. 

YES  



Check open circuit.  

NO  



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

7. CHECK OPEN CIRCUIT 

1. Measure resistance between the terminal 19 of the Instrument Cluster connector and the terminal 1 

of SRSCM harness connector (A). 

Specification (resistance): below 1 ohms 

Fig. 93: Checking Open Circuit 

2. Is the measured resistance within specification? 

YES  



Go to next step.  

NO  



Repair the open circuit on wiring harness between the SRSCM and the Warning Lamp.  

8. CLEAR THE DTC AND CHECK THE VEHICLE AGAIN 

Refer to CLEAR THE DTC AND CHECK THE VEHICLE AGAIN. 

DTC B2502 PASSENGER AIRBAG TELLTALE LAMP FAILURE 

DTC DESCRIPTION 

The Telltale Lamp circuit consists of the Telltale Lamp and the SRSCM. SRSCM sets the above DTC if the 
Telltale Lamp failure is detected. 

 

2008 Kia Sedona EX 

2008 RESTRAINTS Troubleshooting (Airbag) - Sedona

  

Microsoft 

 

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

Page 102 

© 2006 Mitchell Repair Information Company, LLC.