DTC Troubleshooting: B0029-12

DTC B0029-12: Short to Power in the Right Side Curtain Airbag First Inflator

NOTE:

	Before doing this troubleshooting procedure, find out if the vehicle was in a collision. If so, verify that all the required components were replaced with new components of the correct part number and were properly installed.
	Before doing this troubleshooting procedure, review SRS Precautions and Procedures, General Troubleshooting Information, and 12 Volt Battery Terminal Disconnection and Reconnection.

DTC Description	DTC
B0029-12 Short to power in the right side curtain airbag first inflator

Problem verification:

Problem verification

?1.	Clear the DTCs with the HDS.

?2.	Turn the vehicle to the ON mode, then wait for 10 seconds.

?3.

Check for DTCs with the HDS.

DTC Description	DTC
B0029-12 Short to power in the right side curtain airbag first inflator

Is DTC B0029-12 indicated?


	YES

The failure is duplicated. Go to step 2.


	NO

Intermittent failure, the system is OK at this time. Go to Troubleshooting Intermittent Failures. If another DTC is indicated, troubleshoot the DTC.?

Shorted wire check (RCA?, RCA? lines to power) 1:

Shorted wire check (RCA?, RCA? lines to power) 1

?1.	Turn the vehicle to the OFF (LOCK) mode.

?2.	Disconnect the negative cable from the 12 volt battery, then wait at least 3 minutes.

?3.

Disconnect the following connector.

SRS unit connector B (39P)

?4.	Reconnect the negative cable to the 12 volt battery.

?5.	Turn the vehicle to the ON mode.

?6.

Measure the voltage between test points 1 and 2.

Test condition	Vehicle ON mode
Test condition	SRS unit connector B (39P): disconnected
Test point 1	SRS unit connector B (39P) No. 7
Test point 2	Body ground

Test point 1	SRS unit connector B (39P) No. 8
Test point 2	Body ground

Is there 0.2 V or less?


	YES

The RCA? and RCA? wires are OK. Faulty SRS unit or poor connection at SRS unit connector B (39P) and the SRS unit. Check the connection; if the connection is OK, check for any authorized service information related to the DTCs or symptoms you are troubleshooting or replace the SRS unit. If the DTC does not clear, replace the floor wire harness.?


	NO

Go to step 3.

Shorted wire check (RCA?, RCA? lines to power) 2:

Shorted wire check (RCA?, RCA? lines to power) 2

?1.	Turn the vehicle to the OFF (LOCK) mode.

?2.	Disconnect the negative cable from the 12 volt battery, then wait at least 3 minutes.

?3.	2-door: Remove the right side quarter pillar trim.

?4.	4/5-door: Remove the headliner.

?5.

Disconnect the following connector.

Right side curtain airbag inflator 2P connector (on the floor wire harness)

?6.	Reconnect the negative cable to the 12 volt battery.

?7.	Turn the vehicle to the ON mode.

?8.

Measure the voltage between test points 1 and 2.

Test condition	Vehicle ON mode
	SRS unit connector B (39P): disconnected
	Right side curtain airbag inflator 2P connector (on the floor wire harness): disconnected
Test point 1	SRS unit connector B (39P) No. 7
Test point 2	Body ground

Test point 1	SRS unit connector B (39P) No. 8
Test point 2	Body ground

Is there 0.2 V or less?


	YES

The RCA? and RCA? wires are OK. Short to power in the right side curtain airbag inflator; replace the right side curtain airbag, then clear the DTC.?


	NO

Short to power in the floor wire harness; replace the floor wire harness, then clear the DTC.?