Acura RL. Manual - part 133

Fig. 144: 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. 145: 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 31-8X ("X" CAN BE 0 THRU 9 OR A THRU F): SHORT TO POWER 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 ).

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

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

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 31-8x 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. 146: Disconnect 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 31-8x indicated?

YES - Go to step 9.

NO - Short to power 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. Reconnect the negative cable to the battery.

13. Turn the ignition switch ON (II).

2007 Acura RL

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

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

14. Measure the voltage between each terminal of the SRS simulator lead and body ground. There should

be 0.5 V or less.

Fig. 147: Measuring Voltage Between Each Terminal Of SRS Simulator Lead And Body
Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is the voltage 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 15.

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

C604 (B).

'05 model

Fig. 148: Identifying Right Side Wire Harness 16P Connector C604 And Left Side Wire Harness
Connector C604 - '05 Model
Courtesy of AMERICAN HONDA MOTOR CO., INC.

2007 Acura RL

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

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

'06-08 models

Fig. 149: 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.

16. Measure the voltage 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
0.5 V or less.

:'06-08 models

Fig. 150: Measuring Voltage Between No. 13 [No. 14] Terminal Of Right Side Wire Harness 16P
Connector C604 And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

2007 Acura RL

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

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

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