DTC 33-9x ("x" can be 0 thru 9 or A thru F): Short to Ground in Left Side Curtain Airbag First Inflator

Special Tools Required

SRS inflator simulator 07SAZ-TB4011A
SRS simulator lead E 07XAZ-S1A0200

NOTE: Before doing this troubleshooting procedure, review SRS Precautions and Procedures (see PRECAUTIONS AND PROCEDURES ) and General Troubleshooting Information (see DTC (DIAGNOSTIC TROUBLE CODES) ).

Clear the DTC memory (see CLEAR THE DTC MEMORY WITH THE HDS ).
Turn the ignition switch ON (II), and check that the SRS indicator comes on for about 6 seconds and then goes off.
Does the SRS indicator stay on, and is DTC 33-9x indicated?

YES -Go to step 3.

NO -Intermittent failure, system is OK at this time. Go to TROUBLESHOOTING INTERMITTENT FAILURES . If another DTC is indicated, troubleshoot the DTC.
Turn the ignition switch OFF. Disconnect the negative cable from the battery, then wait for 3 minutes.
Disconnect the side curtain airbag harness 2P connector (A) from the left side curtain airbag.

Fig 1: Identifying Side Curtain Airbag Harness 2P Connector
Courtesy of AMERICAN HONDA MOTOR CO., INC.
Connect the SRS inflator simulator (2 Ω connector) and simulator lead E to the side curtain airbag harness.
Reconnect the negative cable to the battery.
Clear the DTC memory.
Read the DTC (see DTC (DIAGNOSTIC TROUBLE CODES) ).
Is DTC 33-9x indicated?

YES -Go to step 9.

NO -Short to ground in the left side curtain airbag inflator; replace the left side curtain airbag (see SIDE CURTAIN AIRBAG REPLACEMENT ).
Turn the ignition switch OFF. Disconnect the negative cable from the battery, then wait for 3 minutes.
Disconnect SRS unit connector C (16P) from the SRS unit (see step 7 ).
Disconnect the SRS inflator simulator from the SRS simulator lead. Do not disconnect the simulator lead from the side curtain airbag harness 2P connector.
Measure the resistance between each terminal of the SRS simulator lead and body ground. There should be an open circuit (ohmmeter reads OL) or at least 1MΩ.

Fig 2: Measuring Resistance Between Terminal Of SRS Simulator Lead And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is the resistance as specified?

YES -Faulty SRS unit or poor connection at SRS unit connector C (16P) and the SRS unit. Check the connection; if the connection is OK, replace the SRS unit (see SRS UNIT REPLACEMENT ).

NO -Short to ground in the side curtain airbag harness; replace the side curtain airbag harness.