Acura RL. Instruction — page 131

PASSENGER’S SEAT BELT TENSIONER

Special Tools Required

SRS inflator simulator 07SAZ-TB4011A

SRS simulator lead F 07XAZ-SZ30100

1. Clear the DTC memory (see CLEAR THE DTC MEMORY WITH THE HDS ).

2. 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 22-9x indicated?

YES — Go to step 3.

NO — Intermittent failure, the system is OK at this time. Go to TROUBLESHOOTING
INTERMITTENT FAILURES
. If another DTC is indicated, troubleshoot the DTC.

3. Turn the ignition switch OFF. Disconnect the negative cable from the battery, then wait for 3 minutes.

4. Disconnect the right side wire harness 4P connector (A) from the front passenger’s seat belt tensioner.

Fig. 132: Identifying Right Side Wire Harness 4P Connector
Courtesy of AMERICAN HONDA MOTOR CO., INC.

5. Connect the SRS inflator simulator (2 ohms connectors) and simulator lead F to the right side wire

harness.

6. Reconnect the negative cable to the battery.

7. Clear the DTC memory.

8. Read the DTC (see GENERAL TROUBLESHOOTING INFORMATION ).

NOTE:

Before doing this troubleshooting procedure, review SRS Precautions and
Procedures (see PRECAUTIONS AND PROCEDURES ) and General
Troubleshooting Information (see GENERAL TROUBLESHOOTING
INFORMATION ).

2007 Acura RL

2005-08 RESTRAINTS SRS (Supplemental Restraint System) — RL

me

Friday, June 05, 2009 2:21:56 PM

Page 108 © 2005 Mitchell Repair Information Company, LLC.

Is DTC 22-9x indicated?

YES — Go to step 9.

NO — Short to ground in the front passenger’s seat belt tensioner; replace the front passenger’s seat belt
(see FRONT SEAT BELT REPLACEMENT ).

9. Turn the ignition switch OFF. Disconnect the negative cable from the battery, then wait for 3 minutes.

10. Disconnect the driver’s seat belt tensioner connector (see step 6 ).

11. Disconnect SRS unit connector B (28P) from the SRS unit (see step 7 ).

12. Disconnect the simulator lead from the right side wire harness.

13. Measure the resistance between the No. 3 terminal of SRS unit connector B (28P) and body ground,

and between the No. 4 terminal and body ground. There should be an open circuit or at least 1Mohms.

Fig. 133: Measuring Resistance Between No. 3 [No. 4] Terminal Of SRS Unit Connector B (28P)
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 B (28P) 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 right side wire harness; replace the right side wire harness.

DTC 31-1X («X» CAN BE 0 THRU 9 OR A THRU F): OPEN IN DRIVER’S SIDE AIRBAG
INFLATOR; DTC 31-2X («X» CAN BE 0 THRU 9 OR A THRU F): INCREASED RESISTANCE IN
DRIVER’S SIDE AIRBAG 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 GENERAL TROUBLESHOOTING
INFORMATION ).

2007 Acura RL

2005-08 RESTRAINTS SRS (Supplemental Restraint System) — RL

me

Friday, June 05, 2009 2:21:56 PM

Page 109 © 2005 Mitchell Repair Information Company, LLC.

1. Clear the DTC memory (see CLEAR THE DTC MEMORY WITH THE HDS ).

2. 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 31-1x or 31-2x indicated?

YES — Go to step 3.

NO — Intermittent failure, the system is OK at this time. Go to TROUBLESHOOTING
INTERMITTENT FAILURES
. If another DTC is indicated, troubleshoot the DTC.

3. Turn the ignition switch OFF. Disconnect the negative cable from the battery, then wait for 3 minutes.

4. Disconnect the left side wire harness 2P connector (A) from the driver’s side airbag (B).

Fig. 134: Identifying Left Side Wire Harness 2P Connector And Driver’s Side Airbag
Courtesy of AMERICAN HONDA MOTOR CO., INC.

5. Connect the SRS inflator simulator (2 ohms connectors) and simulator lead E to the left side wire

harness.

6. Reconnect the negative cable to the battery.

7. Clear the DTC memory.

8. Read the DTC (see GENERAL TROUBLESHOOTING INFORMATION ).

Is DTC 31-1x or 31-2x indicated?

YES — Go to step 9.

NO — Open or increased resistance in the driver’s side airbag inflator; replace the driver’s side airbag
(see SIDE AIRBAG REPLACEMENT ).

9. Turn the ignition switch OFF. Disconnect the negative cable from the battery, then wait for 3 minutes.

10. Disconnect SRS unit connector C (28P) from the SRS unit (see step 7 ).

11. Disconnect the SRS inflator simulator from the SRS simulator lead.

12. Measure the resistance between the terminals of the SRS simulator lead. There should be 1.0 ohms or

less.

2007 Acura RL

2005-08 RESTRAINTS SRS (Supplemental Restraint System) — RL

me

Friday, June 05, 2009 2:21:56 PM

Page 110 © 2005 Mitchell Repair Information Company, LLC.

Fig. 135: Measuring Resistance Between Terminals Of SRS Simulator Lead
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is the resistance as specified?

YES — Faulty SRS unit or poor connection at SRS unit connector C (28P) and the SRS unit. Check the
connection; if the connection is OK, replace the SRS unit (see SRS UNIT REPLACEMENT ).

NO — Go to step 13.

13. Disconnect right side wire harness 16P connector C604 (A) from the left side wire harness connector

C604 (B).

’05 model

Fig. 136: Identifying Right Side Wire Harness 16P Connector C604 And Left Side Wire Harness
Connector C604 — ’05 Model

Courtesy of AMERICAN HONDA MOTOR CO., INC.

’06-08 models

2007 Acura RL

2005-08 RESTRAINTS SRS (Supplemental Restraint System) — RL

me

Friday, June 05, 2009 2:21:56 PM

Page 111 © 2005 Mitchell Repair Information Company, LLC.

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