Acura RL. Instruction — page 124

11. Connect the SRS inflator simulator (2 ohms connectors) and simulator lead F to dashboard wire

harness A.

12. Reconnect the negative cable to the battery.

13. Clear the DTC memory.

14. Read the DTC.

Is DTC 11-9x or 11-Bx indicated?

YES — Go to step 15.

NO — Short to ground in the cable reel; replace the cable reel (see CABLE REEL
REPLACEMENT
).

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

16. Disconnect SRS unit connector A(28P)from the SRS unit (see step 7 ).

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

18. Measure the resistance between each terminal of the SRS simulator lead and body ground. There

should be an open circuit or at least 1 M ohms.

Fig. 93: Measuring Resistance Between Each 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 A (28P) and the SRS unit. Check the
connection between the connector and the SRS unit. If the connection is OK, replace the SRS unit
(see SRS UNIT REPLACEMENT ).

NO — Short to ground in dashboard wire harness A; replace dashboard wire harness A.

DTC 12-1X («X» CAN BE 0 THRU 9 OR A THRU F): OPEN IN FRONT PASSENGER’S AIRBAG
FIRST INFLATOR; DTC 12-2X («X» CAN BE 0 THRU 9 OR A THRU F): INCREASED
RESISTANCE IN FRONT PASSENGER’S AIRBAG FIRST INFLATOR; DTC 12-4X («X» CAN BE
0 THRU 9 OR A THRU F): OPEN IN FRONT PASSENGER’S AIRBAG SECOND INFLATOR;

2007 Acura RL

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

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Page 80

© 2005 Mitchell Repair Information Company, LLC.

DTC 12-5X («X» CAN BE 0 THRU 9 OR A THRU F): INCREASED RESISTANCE IN FRONT
PASSENGER’S AIRBAG SECOND INFLATOR

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 12-1x, 12-2x, 12-4x, or 12-5x 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 front passenger’s airbag 4P connector (A) from the dashboard wire harness A.

Fig. 94: Identifying Front Passenger’s Airbag 4P Connector
Courtesy of AMERICAN HONDA MOTOR CO., INC.

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

harness A.

6. Reconnect the negative cable to the battery.

7. Clear the DTC memory.

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

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Page 81

© 2005 Mitchell Repair Information Company, LLC.

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

Is DTC 12-1X, 12-2x, 12-4x, or 12-5x indicated?

YES — Go to step 9.

NO — Open or increased resistance in the front passenger’s airbag first or second inflator; replace the
front passenger’s airbag (see FRONT PASSENGER’S 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 A (28P) from the SRS unit (see step 7 ). Do not disconnect the

simulator lead from the dashboard wire harness A 4P connector.

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 ohms or

less.

Fig. 95: 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 A (28P). Check the connection; if
the connection is OK, replace the SRS unit (see SRS UNIT REPLACEMENT ).

NO — Open or increased resistance in dashboard wire harness A; replace dashboard wire harness A.

DTC 12-3X («X» CAN BE 0 THRU 9 OR A THRU F): SHORT TO ANOTHER WIRE OR
DECREASED RESISTANCE IN FRONT PASSENGER’S AIRBAG FIRST INFLATOR; DTC 12-6X
(«X» CAN BE 0 THRU 9 OR A THRU F): SHORT TO ANOTHER WIRE OR DECREASED
RESISTANCE IN FRONT PASSENGER’S AIRBAG SECOND INFLATOR

Special Tools Required

SRS inflator simulator 07SAZ-TB4011A

SRS simulator lead F 07XAZ-SZ30100

2007 Acura RL

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

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Page 82

© 2005 Mitchell Repair Information Company, LLC.

SRS short canceller 070AZ-SAA0100

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 12-3x or 12-6x 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 front passenger’s airbag 4P connector (A) from dashboard wire harness A.

Fig. 96: Identifying Front Passenger’s Airbag 4P Connector
Courtesy of AMERICAN HONDA MOTOR CO., INC.

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

harness A.

6. Reconnect the negative cable to the battery.

7. Clear the DTC memory.

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

Is DTC 12-3x or 12-6x indicated?

YES — Go to step 9.

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 2:21:55 PM

Page 83

© 2005 Mitchell Repair Information Company, LLC.

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