Acura RL. Manual - part 730

NO - Test the driver's power window motor (see POWER WINDOW MOTOR TEST ).

6. Select the POWER WINDOWS from the BODY ELECTRICAL system select menu and enter the 

DATA LIST.  

7. Check the DETECT/NONE information of the Driver's window motor A-phase pulse signal in the 

DATA LIST. 

Does the information indicator display DETECT while the window is moving, and display NONE 
when the window is stopped?  

YES - Replace the driver's MPCS unit. 

NO - Go to step 8. 

8. Check for DTCs with the HDS. 

Is DTC B2176 also indicated?  

YES - Go to step 15. 

NO - Go to step 9. 

9. Turn the ignition switch OFF.  

10. Disconnect the 14P connector from the driver's MPCS unit.  

11. Disconnect the 6P connector from the driver's power window motor.  

12. Check for continuity between driver's MPCS unit connector B (14P) No. 5 terminal and driver's 

power window motor 6P connector No. 2 terminal. 

Fig. 25: Checking Continuity Between No. 5 Terminal And Driver's Power Window Motor 6P 
Connector No. 2 Terminal 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

Is there continuity?  

YES - Go to step 13. 

NO - Repair an open in the wire. 

 

2007 Acura RL 

2005-08 ACCESSORIES AND EQUIPMENT Power Windows - RL

  

me 

 

Friday, June 05, 2009 3:20:28 PM

Page 24 

© 2005 Mitchell Repair Information Company, LLC. 

13. Check for continuity between driver's power window motor 6P connector No. 2 terminal and body 

ground. 

Fig. 26: Checking Continuity Between Driver's Power Window Motor 6P Connector No. 2 
Terminal And Body Ground 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

Is there continuity?  

YES - Repair a short to ground in the wire. 

NO - Replace the driver's power window. 

14. Test the driver's power window motor (see POWER WINDOW MOTOR TEST ). 

Is the motor OK?  

YES - Replace the driver's MPCS unit. 

NO - Replace the driver's power window motor. 

15. Check for continuity between the driver's MPCS unit connector B (14P) No. 3 and No. 6 terminals 

and the driver's power window motor 6P connector No. 5 and No. 6 terminals respectively. 

Fig. 27: Checking Continuity Between No. 3 And No. 6 Terminals And No. 5 And No. 6 
Terminals 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

Is there continuity?  

 

2007 Acura RL 

2005-08 ACCESSORIES AND EQUIPMENT Power Windows - RL

  

me 

 

Friday, June 05, 2009 3:20:28 PM

Page 25 

© 2005 Mitchell Repair Information Company, LLC. 

YES - Go to step 16. 

NO - Repair an open in the wire. 

16. Check for continuity between the driver's power window motor 6P connector No. 6 terminal and body 

ground. 

Fig. 28: Checking Continuity Between Driver's Power Window Motor 6P Connector No. 6 
Terminal And Body Ground 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

Is there continuity?  

YES - Repair a short to ground in the wire. 

NO - Replace the driver's power window motor. 

DTC B2176: DRIVER'S POWER WINDOW MOTOR PULSE B ERROR 

1. Clear the DTCs with the HDS.  

2. Turn the ignition switch OFF, and then back ON (II).  

3. Open and close the driver's power window by using the power window master switch manually.  

4. Check for DTCs with the HDS. 

Is DTC B2176 indicated?  

YES - Go to step 5. 

NO - Intermittent failure, the system is OK at this time. Check for loose or poor connections. 

5. Open and close the driver's power window by using the power window master switch manually. 

Does the window motor operate?  

YES - Go to step 6. 

NOTE:

If you are troubleshooting multiple DTCs, be sure to follow the instructions 
in B-CAN System Diagnosis Test Mode A (see TROUBLESHOOTING - B-CAN 
SYSTEM DIAGNOSIS TEST MODE A ).

 

2007 Acura RL 

2005-08 ACCESSORIES AND EQUIPMENT Power Windows - RL

  

me 

 

Friday, June 05, 2009 3:20:28 PM

Page 26 

© 2005 Mitchell Repair Information Company, LLC. 

NO - Test the driver's power window motor (see POWER WINDOW MOTOR TEST ).

6. Select the POWER WINDOWS from the BODY ELECTRICAL system select menu and enter the 

DATA LIST.  

7. Check the DETECT/NONE information of the Driver's window motor B-phase pulse signal in the 

DATA LIST. 

Does the information indicator display DETECT while the window is moving, and display NONE 
when the window is stopped?  

YES - Replace the driver's MPCS unit. 

NO - Go to step 8. 

8. Check for DTCs with the HDS. 

Is DTC B2175 also indicated?  

YES - Go to step 15. 

NO - Go to step 9. 

9. Turn the ignition switch OFF.  

10. Disconnect the 14P connector from the driver's MPCS unit.  

11. Disconnect the 6P connector from the driver's power window motor.  

12. Check for continuity between driver's MPCS unit connector B (14P) No. 4 terminal and driver's 

power window motor 6P connector No. 3 terminal. 

Fig. 29: Checking Continuity Between No. 4 Terminal And No. 3 Terminal 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

Is there continuity?  

YES - Go to step 13. 

NO - Repair an open in the wire. 

 

2007 Acura RL 

2005-08 ACCESSORIES AND EQUIPMENT Power Windows - RL

  

me 

 

Friday, June 05, 2009 3:20:28 PM

Page 27 

© 2005 Mitchell Repair Information Company, LLC.