Acura RL. Instruction — page 134

Fig. 151: Measuring Voltage Between No. 1 [No. 7] Terminal Of Right Side Wire Harness 16P
Connector C604 And Body Ground

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is the voltage as specified?

YES — Short to power in the left side wire harness; replace the left side wire harness.

NO — Short to power in the right side wire harness; replace the right side wire harness.

DTC 31-9X («X» CAN BE 0 THRU 9 OR A THRU F): SHORT TO GROUND IN DRIVER’S SIDE
AIRBAG INFLATOR

Special Tools Required

SRS inflator simulator 07SAZ-TB4011A

SRS simulator lead E 07XAZ-S1A0200

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 31-9x 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 left side wire harness 2P connector (A) from the driver’s side airbag (B).

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 120 © 2005 Mitchell Repair Information Company, LLC.

Fig. 152: 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 31-9x indicated?

YES — Go to step 9.

NO — Short to ground 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 each terminal of the SRS simulator lead and body ground. There

should be an open circuit or at least 1 Mohms.

2007 Acura RL

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

me

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

Page 121 © 2005 Mitchell Repair Information Company, LLC.

Fig. 153: 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 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. 154: 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

Fig. 155: Identifying Right Side Wire Harness 16P Connector C604 And Left Side Wire Harness
Connector C604 — ’06-08 Models

Courtesy of AMERICAN HONDA MOTOR CO., INC.

2007 Acura RL

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

me

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

Page 122 © 2005 Mitchell Repair Information Company, LLC.

14. Measure the resistance between the No. 13 [No. 1] terminal of the right side wire harness 16P

connector C604 and body ground, and between the No. 14 [No. 7] terminal and body ground. There
should be an open circuit or at least 1 M ohms.

: ’06-08 models

Fig. 156: Measuring Resistance Between No. 13 [No. 14] Terminal Of Right Side Wire Harness
16P Connector C604 And Body Ground

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Fig. 157: Measuring Resistance Between No. 1 [No. 7] Terminal Of Right Side Wire Harness
16P Connector C604 And Body Ground

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is the resistance as specified?

YES — Short to ground in the left side wire harness; replace the left side wire harness.

NO — Short to ground in the right side wire harness; replace the right side wire harness.

DTC 32-1X («X» CAN BE 0 THRU 9 OR A THRU F): OPEN IN FRONT PASSENGER’S SIDE
AIRBAG INFLATOR; DTC 32-2X («X» CAN BE 0 THRU 9 OR A THRU F): INCREASED
RESISTANCE IN FRONT PASSENGER’S SIDE AIRBAG INFLATOR

Special Tools Required

SRS inflator simulator 07SAZ-TB4011A

2007 Acura RL

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

me

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

Page 123 © 2005 Mitchell Repair Information Company, LLC.

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