Kia Sedona (2008 year). Instruction — 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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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

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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

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

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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.