Acura RL. Instruction — page 155

Connector And Body Ground
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is the resistance as specified?

YES — Go to step 14.

NO — Short to ground in the driver’s seat wire harness, left side wire harness, or MICU. Replace the
faulty harness or part.

14. Disconnect the driver’s seat belt tension reducer solenoid 2P connector (see TEST ). Measure the

resistance between the No. 1 terminal of the driver’s seat wire harness 3P connector and body ground.
There should be an open circuit or at least 1Mohms.

Fig. 279: Measuring Resistance Between No. 1 Terminal Of Driver’s Seat Wire Harness 3P
Connector And Body Ground

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is the resistance as specified?

YES — Faulty SRS unit; replace the SRS unit (see SRS UNIT REPLACEMENT ).

NO — Short to ground in the driver’s seat wire harness or left side wire harness; replace the faulty
harness.

DTC 62-1X («X» CAN BE 0 THRU 9 OR A THRU F): OPEN IN FRONT PASSENGER’S SEAT
BELT BUCKLE SWITCH

1. Clear the DTC memory (see CLEAR THE DTC MEMORY WITH THE HDS ).

2. Turn the ignition switch ON (II), then buckle and unbuckle the right side seat belt several times.

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

Is DTC 62-1 x indicated?

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 204 © 2005 Mitchell Repair Information Company, LLC.

YES — Go to step 4.

NO — Intermittent failure, the system is OK at this time. Go to TROUBLESHOOTING
INTERMITTENT FAILURES
. If another DTC is indicated, troubleshoot the DTC.

4. Turn the ignition switch OFF.

5. Disconnect the front passenger’s seat belt buckle switch 3P connector (A) from the front passenger’s

seat wire harness.

Fig. 280: Identifying Front Passenger’s Seat Belt Buckle Switch 3P Connector
Courtesy of AMERICAN HONDA MOTOR CO., INC.

6. Buckle the front passenger’s seat belt.

Measure the resistance between the No. 1 and No. 3 terminals of the front passenger’s seat belt
buckle switch 3P connector. There should be 0-1 ohms.

Measure the resistance between the No. 2 and No. 3 terminals of the same connector. There
should be an open circuit or at least 1Mohms.

Fig. 281: Measuring Resistance Between No. 1 and No. 3 [No. 2 And No. 3] Terminals Of
Same Connector

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Are the resistances as specified?

YES — Go to step 7.

2007 Acura RL

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

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

Page 205 © 2005 Mitchell Repair Information Company, LLC.

NO — Replace the front passenger’s seat belt buckle assembly (see SEAT BELT BUCKLE ), then
clear the DTC.

7. Unbuckle the front passenger’s seat belt.

Measure the resistance between the No. 1 and No. 3 terminals of the front passenger’s seat belt
buckle switch 3P connector. There should be 0-1 ohms.

Measure the resistance between the No. 2 and No. 3 terminals of the same connector. There
should be an open circuit or at least 1Mohms.

Fig. 282: Measuring Resistance Between No. 1 and No. 3 [No. 2 And No. 3] Terminals Of
Same Connector

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Are the resistances as specified?

YES — Go to step 8.

NO — Replace the front passenger’s seat belt buckle assembly (see SEAT BELT BUCKLE ), then
clear the DTC.

8. Measure the resistance between the No. 3 terminal of the front passenger’s seat wire harness 3P

connector and body ground. There should be 0-1 ohms.

Fig. 283: Measuring Resistance Between No. 3 Terminal Of Front Passenger’s Seat Wire
Harness 3P Connector And Body Ground

Courtesy of AMERICAN HONDA MOTOR CO., INC.

2007 Acura RL

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

me

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

Page 206 © 2005 Mitchell Repair Information Company, LLC.

Is the resistance as specified?

YES — Go to step 9.

NO — Open in the front passenger’s seat wire harness or right side wire harness, or poor ground
connection at G651 (see RIGHT SIDE WIRE HARNESS (FRONT BRANCH) ). If G651 is OK,
replace the faulty harness.

9. Disconnect the negative cable from the battery, then wait for 3 minutes.

10. Disconnect both seat belt tensioner 4P connectors from the left side wire harness and right side wire

harness (see step 6 ).

11. Disconnect SRS unit connector B (28P) from the SRS unit (see step 7 ).

12. Measure the resistance between the No. 16 terminal of SRS unit connector B (28P) and the No. 1

terminal of the front passenger’s seat wire harness 3P connector. There should be 0-1 ohms.

Fig. 284: Measuring Resistance Between No. 16 Terminal Of SRS Unit Connector B (28P) And
No. 1 Terminal Of Front Passenger’s Seat Wire Harness 3P Connector

Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is the resistance as specified?

YES — Go to step 13.

NO — Open in the front passenger’s seat wire harness or right side wire harness; replace the faulty
harness.

13. Measure the resistance between the No. 15 terminal of SRS unit connector B (28P) and the No. 2

terminal of the front passenger’s seat wire harness 3P connector. There should be 0-1 ohms.

2007 Acura RL

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

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Page 207 © 2005 Mitchell Repair Information Company, LLC.

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