Kia Sedona (2008 year). Instruction — 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.