AIRBAG SYSTEM (DIAGNOSTICS) > Diagnostic Chart with Trouble Code

DTC DETECTING CONDITION:

• Airbag control module is faulty.

• Airbag harness is open.

• Fuse No. 6 (in joint box) is blown.

• Body harness circuit is open.

CAUTION:

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

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

• When inspecting the airbag main harness, disconnect the driver’s airbag module and passenger’s airbag module connectors for safety.

• When inspecting the side airbag harness, disconnect the side airbag module connector, seat belt pretensioner connector and lap seat belt pretensioner connector for safety reasons.

WIRING DIAGRAM:

STEP	CHECK	YES	NO
1.CHECK AIRBAG CONTROL MODULE. 1) Turn the ignition switch to OFF, disconnect the battery ground cable, and wait for 20 seconds or more. 2) Disconnect the connector (AB3) from airbag control module. 3) Connect connector (1R) in the test harness R to the connector (AB3). 4) Connect the battery ground terminal and turn the ignition switch to ON. 5) Measure the voltage between connector (2R) in the test harness R and chassis ground. Connector & terminal (2R) No. 6 (+) — Chassis ground (−):	Is the voltage 10 V or more?	Replace the airbag control module.
2.CHECK FUSE NO. 6 (IN JOINT BOX). 1) Confirm that the ignition switch is turned to OFF. 2) Remove the fuse No. 6 (in joint box) and perform visual inspection.	Is the fuse No. 6 blown out?	Replace the fuse No. 6. If fuse No. 6 is blown out again, repair the body harness. Or replace the airbag main harness along with body harness.
3.CHECK AIRBAG CONTROL MODULE. 1) Connect all connectors. 2) Erase the memory. 3) Perform the Inspection Mode. 4) Read the DTC.	Is the same DTC displayed?	Replace the airbag control module.
4.CHECK FOR ANY OTHER DTC ON DISPLAY.	Is there any other DTC displayed?	Check DTC using “List of Diagnostic Trouble Code (DTC)”.	Finish the diagnosis.