Acura RL. Instruction — page 161

Fig. 313: Identifying Dashboard Wire Harness A 34P Connector C651 (A) And Right Side Wire
Harness C651 (B)

Courtesy of AMERICAN HONDA MOTOR CO., INC.

11. Turn the ignition switch ON (II).

12. Measure the voltage between the No. 34 terminal of dashboard wire harness A 34P connector C651

and body ground. There should be battery voltage.

Fig. 314: Measuring Voltage Between No. 34 Terminal Of Dashboard Wire Harness A 34P
Connector C651 And Body Ground

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there battery voltage?

YES — Open in the right side wire harness; replace the right side wire harness.

NO — Open in the dashboard wire harness A; replace dashboard wire harness A.

13. Turn the ignition switch OFF.

14. Measure the resistance between the No. 6 terminal of the front passenger’s weight sensor unit 6P

connector C and body ground. There should be 0-1.0 ohms.

2007 Acura RL

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

me

Friday, June 05, 2009 2:21:57 PM

Page 228 © 2005 Mitchell Repair Information Company, LLC.

Fig. 315: Measuring Resistance Between No. 6 Terminal Of Front Passenger’s Weight Sensor
Unit 6P Connector C And Body Ground

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is the resistance as specified?

YES — Go to step 15.

NO — Open in the right side wire harness; check for poor ground connection at G651 (see RIGHT
SIDE WIRE HARNESS (FRONT BRANCH)
). If the connection is OK, replace the right side wire
harness.

15. 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 ). Disconnect OPDS unit 8P

connector from the OPDS unit (see OPDS UNIT REPLACEMENT ).

17. Measure the resistance between the No. 14 terminal of SRS unit connector A (28P) and body ground.

There should be an open circuit or at least 1 Mohms.

Fig. 316: Measuring Resistance Between No. 14 Terminal Of SRS Unit Connector A (28P) And
Body Ground

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is the resistance as specified?

YES — Go to step 18.

NO — Go to step 21.

2007 Acura RL

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

me

Friday, June 05, 2009 2:21:57 PM

Page 229 © 2005 Mitchell Repair Information Company, LLC.

18. Measure the resistance between the No. 14 terminal of SRS unit connector A (28P) and the No. 5

terminal of the front passenger’s weight sensor unit 6P connector C. There should be 0-1.0 ohms.

Fig. 317: Measuring Resistance Between No. 14 Terminal Of SRS Unit Connector A (28P) And
No. 5 Terminal Of Front Passenger’s Weight Sensor Unit 6P Connector C

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is the resistance as specified?

YES — Faulty front passenger’s weight sensor unit or SRS unit; replace the front passenger’s weight
sensor unit (see FRONT PASSENGER’S WEIGHT SENSOR UNIT REPLACEMENT ). If the
problem is still present, replace the SRS unit (see SRS UNIT REPLACEMENT ).

NO — Go to step 19.

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

’05 model

Fig. 318: Identifying Left Side Wire Harness 16P Connector C604 And Right Side Wire Harness
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 2:21:57 PM

Page 230 © 2005 Mitchell Repair Information Company, LLC.

Fig. 319: Identifying Left Side Wire Harness 16P Connector C604 And Right Side Wire Harness
C604 — ’06-08 Models

Courtesy of AMERICAN HONDA MOTOR CO., INC.

20. Measure the resistance between the No. 14 terminal of SRS unit connector B (28P) and the No. 8 [No.

11 ] terminal of right side wire harness 16P connector. There should be 0-1.0 ohms.

:’06-08 models

’05 model

Fig. 320: Measuring Resistance Between No. 14 Terminal Of SRS Unit Connector B (28P) And
No. 8 Terminal Of Right Side Wire Harness 16P Connector

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 2:21:57 PM

Page 231 © 2005 Mitchell Repair Information Company, LLC.

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