Acura RL. Manual - part 554

Fig. 5: Identifying Cable Reel And Horn 20P Connector 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

3. Using a jumper wire, connect the No. 4 terminal of the dashboard wire harness (or combination switch 

wire harness)* 20P connector to body ground. The horns should sound. 

*: '05 model 

Fig. 6: Connecting No. 4 Terminal Of 20P Connector To Body Ground Using A Jumper Wire 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 



If the horns sound, go to step 4.  



If the horns don't sound, check these items: 



No. 13 (15 A) fuse in the under-hood fuse/relay box  



Relay control module in the under-hood fuse/relay box  



Horns (see HORN TEST/REPLACEMENT )  



An open in the wire  

4. Reconnect the 20P connector (A) to the cable reel (B). 

 

2007 Acura RL 

2005-08 ACCESSORIES AND EQUIPMENT Horns - RL

  

me 

 

Friday, June 05, 2009 3:32:08 PM

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© 2005 Mitchell Repair Information Company, LLC. 

Fig. 7: Identifying Cable Reel And 20P Connector 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

5. Remove the driver's airbag assembly (see DRIVER'S AIRBAG REPLACEMENT ), and disconnect 

the horn switch 1P terminal (C) from the driver's airbag.  

6. Check for continuity between the cable reel 20P connector No. 4 terminal and the horn switch 1P 

terminal. There should be continuity. 



If there is continuity, check the installation of the driver's airbag assembly and the steering 
wheel. If OK, replace the driver's airbag assembly.  



If there is no continuity, check these items: 



Cable reel  



An open in the wire 

Fig. 8: Checking Continuity Between Cable Reel 20P Connector No. 4 Terminal And
Horn Switch 1P Terminal 
Courtesy of AMERICAN HONDA MOTOR CO., INC.

 

2007 Acura RL 

2005-08 ACCESSORIES AND EQUIPMENT Horns - RL

  

me 

 

Friday, June 05, 2009 3:32:08 PM

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© 2005 Mitchell Repair Information Company, LLC. 

2005-08 HVAC

HVAC - RL 

HVAC (HEATING, VENTILATION, AND AIR CONDITIONING) 

SPECIAL TOOLS 

Fig. 1: Identifying Special Tools 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

CLIMATE CONTROL 

COMPONENT LOCATION INDEX 

 

2007 Acura RL 

2005-08 HVAC HVAC - RL

  

 

2007 Acura RL 

2005-08 HVAC HVAC - RL

  

me 

 

Friday, June 05, 2009 2:25:42 PM

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© 2005 Mitchell Repair Information Company, LLC. 

me 

 

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© 2005 Mitchell Repair Information Company, LLC. 

Fig. 2: Identifying Climate Control Component Location (1 Of 3) 
Courtesy of AMERICAN HONDA MOTOR CO., INC.

 

2007 Acura RL 

2005-08 HVAC HVAC - RL

  

me 

 

Friday, June 05, 2009 2:25:42 PM

Page 2 

© 2005 Mitchell Repair Information Company, LLC.