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AIRBAG WARNING LIGHT REMAINS OFF

AIRBAG WARNING LIGHT REMAINS OFF

DIAGNOSIS:


• Fuse No. 13 (in fuse box) is blown.

• Body harness circuit is open.

• Airbag warning light is faulty.

• Airbag main harness is faulty.

• Airbag control module is faulty.


Important
• Before diagnosing the airbag system, be sure to turn the ignition switch to OFF, disconnect the ground cable from battery, and wait more than 20 seconds before starting to work.

• Before replacing the airbag module, seat belt pretensioner roll connector, control module, and sensor, reconnect each part and confirm that the warning light operates properly.

• When inspecting the airbag main harness, disconnect the airbag module connector of the driver and passenger seats for safety reasons.


WIRING DIAGRAM:


CHECK COMBINATION METER.

Turn the ignition switch to ON, and confirm that warning lights equipped in the combination meter are turned on.

Do the warning lights not for airbag turn on?

Yes


No

Repair the combination meter power supply.


CHECK FUSE NO. 13 (IN MAIN FUSE BOX).

Remove the fuse No. 13 and perform visual inspection.

Is the fuse No. 13 (in main fuse box) blown out?

Yes

Replace the fuse No. 13. If fuse No. 13 is blown out again, go to step 3.


No


CHECK AIRBAG WARNING LIGHT CIRCUIT (IN COMBINATION METER).

Turn the ignition switch to OFF, disconnect the battery ground cable, and wait more than 20 seconds.

Disconnect the connector (AB1) from (B31).

Connect the battery ground cable and turn the ignition switch to ON.

Is the airbag warning light turned on?

Yes


No

Replace the airbag warning light bulb or combination meter printed circuit.


CHECK AIRBAG MAIN HARNESS.

Turn the ignition switch to OFF, disconnect the battery ground cable, and wait more than 20 seconds.

Connect the connector (AB1) to (B31).

Disconnect the connector (AB3) from the airbag control module.

Connect the battery ground cable and turn the ignition switch to ON.

Is the airbag warning light turned on?

Yes

Replace the airbag control module.


No

Replace the body harness with airbag main harness.