Acura RL. Instruction — page 149

and between the No. 16 terminal and body ground. There should be an open circuit or at least 1
Mohms.

Fig. 243: Measuring Resistance Between No. 15 [No. 16] Terminal Of SRS Unit Connector C
(28P) And Body Ground

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is the resistance as specified?

YES — Go to step 9.

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

9. Reconnect the negative cable to the battery.

10. Turn the ignition switch ON (II).

11. Measure the voltage between the No. 15 terminal of SRS unit connector C (28P) and body ground,

and between the No. 16 terminal and body ground. There should be 1 V or less.

Fig. 244: Measuring Voltage Between No. 15 [No. 16] Terminal Of SRS Unit Connector C (28P)
And Body Ground

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is the voltage as specified?

YES — Go to step 12.

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

2007 Acura RL

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

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Page 180 © 2005 Mitchell Repair Information Company, LLC.

12. Turn the ignition switch OFF.

13. Connect the SRS inflator simulator (jumper connector) and simulator lead H to the right side wire

harness 2P connector (A).

Fig. 245: Identifying Right Side Impact Sensor And 2P Connector
Courtesy of AMERICAN HONDA MOTOR CO., INC.

14. Measure the resistance between the No. 15 and No. 16 terminals of SRS unit connector C (28P).

There should be 1.0 ohms or less.

Fig. 246: Measuring Resistance Between No. 15 And No. 16 Terminals Of SRS Unit Connector
C (28P)

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is the resistance as specified?

YES — Faulty right side impact sensor (first) or SRS unit; replace the right side impact sensor (first)
(see SIDE IMPACT SENSOR (FIRST) REPLACEMENT ). If the problem is still present, replace
the SRS unit (see SRS UNIT REPLACEMENT ).

NO — Open in the right side wire harness; replace the right side wire harness.

DTC 44-CX («X» CAN BE 0 THRU 9 OR A THRU F): FAULTY POWER SUPPLY TO THE

2007 Acura RL

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

me

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Page 181 © 2005 Mitchell Repair Information Company, LLC.

RIGHT SIDE IMPACT SENSOR (FIRST)

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 44-Cx 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 2P connector (A) from the right side impact sensor (first).

Fig. 247: Identifying Right Side Impact Sensor (First) And 2P Connector
Courtesy of AMERICAN HONDA MOTOR CO., INC.

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

6. Measure the resistance between the No. 15 terminal of SRS unit connector C (28P) and body ground.

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

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 182 © 2005 Mitchell Repair Information Company, LLC.

Fig. 248: Measuring Resistance Between No. 15 Terminal Of SRS Unit Connector C (28P) And
Body Ground

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is the resistance as specified?

YES — Go to step 7.

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

7. Measure the resistance between the No. 15 and No. 16 terminals of SRS unit connector C (28P).

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

Fig. 249: Measuring Resistance Between No. 15 And No. 16 Terminals Of SRS Unit Connector
C (28P)

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is the resistance as specified?

YES — Faulty right side impact sensor (first) or SRS unit; replace the right side impact sensor (first)
(see SIDE IMPACT SENSOR (FIRST) REPLACEMENT ). If the problem is still present, replace
the SRS unit (see SRS UNIT REPLACEMENT ).

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

DTC 43-2X, 43-8X, 43-9X, 43-BX («X» CAN BE 0 THRU 9 OR A THRU F): INTERNAL FAILURE
OF THE LEFT SIDE IMPACT SENSOR (FIRST); DTC 44-2X, 44-8X, 44-9X, 44-BX («X» CAN BE
0 THRU 9 OR A THRU F): INTERNAL FAILURE OF THE RIGHT SIDE IMPACT SENSOR

2007 Acura RL

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

me

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

Page 183 © 2005 Mitchell Repair Information Company, LLC.

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