Acura RL. Manual - part 711

NO - Repair open in the wire between DLC terminal No. 4 and body ground (G501) 

3. Measure voltage between DLC terminals No. 5 and No. 16. 

Fig. 178: Measuring Voltage Between DLC Terminals No. 5 And No. 16 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

Is there battery voltage?  

YES - Go to step 4. 

NO - Repair open in the wire between DLC terminal No. 5 and body ground (G501) 

4. Turn the ignition switch ON (II).  

5. Measure voltage between DLC terminals No. 5 and No. 7. 

Fig. 179: Measuring Voltage Between DLC Terminals No. 5 And No. 7 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

Is there 8.5 V or more?  

YES - Go to step 11. 

NO - Go to step 6. 

6. Turn the ignition switch OFF.  

7. Jump the SCS line with the HDS.  

8. Disconnect PCM connector E (31P).  

 

2007 Acura RL 

2005-08 ENGINE PERFORMANCE PGM-FI System - RL

  

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9. Check for continuity between DLC terminal No. 7 and body ground. 

Fig. 180: Checking Continuity Between DLC Terminal No. 7 And Body Ground 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

Is there continuity?  

YES - Repair short to ground in the wire between DLC terminal No. 7 and the PCM (E14). After 
repairing the wire, check for a DTC with the HDS and go to the indicated DTCs troubleshooting 

NO - Go to step 10. 

10. Check for continuity between DLC terminal No. 7 and PCM connector terminal E14. 

Fig. 181: Checking Continuity Between DLC Terminal No. 7 And PCM Connector Terminal 
E14 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

Is there continuity?  

YES - Update the PCM if it does not have the latest software (see UPDATING THE PCM ), or 
substitute a known-good PCM (see SUBSTITUTING THE PCM ), then recheck. If the 
symptom/indication goes away with a known-good PCM, replace the original PCM (see PCM 
REPLACEMENT ) 

NO - Repair open in the wire between DLC terminal No. 7 and the PCM (E14). After repairing the 
wire, check for Temporary DTCs or DTCs with the HDS and go to the indicated DTCs 
troubleshooting 

 

2007 Acura RL 

2005-08 ENGINE PERFORMANCE PGM-FI System - RL

  

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11. Turn the ignition switch OFF.  

12. Jump the SCS line with the HDS.  

13. Disconnect PCM connector E (31P).  

14. Turn the ignition switch ON (II).  

15. Measure voltage between DLC terminals No. 5 and No. 7. 

Fig. 182: Measuring Voltage Between DLC Terminals No. 5 And No. 7 
Courtesy of AMERICAN HONDA MOTOR CO., INC. 

Is there 0 V?  

YES - Update the PCM if it does not have the latest software (see UPDATING THE PCM ), or 
substitute a known-good PCM (see SUBSTITUTING THE PCM ), then recheck. If the 
symptom/indication goes away with a known-good PCM, replace the original PCM (see PCM 
REPLACEMENT ) 

NO - Repair short to power in the wire between DLC terminal No. 7 and the PCM (E14). After 
repairing the wire, check for Temporary DTCs or DTCs with the HDS, and go to the indicated DTCs 
troubleshooting 

'08 MODEL 

1. Turn the ignition switch OFF.  

2. Connect the HDS to the DLC (see GENERAL TROUBLESHOOTING INFORMATION ). 

3. Turn the ignition switch ON (II), and read the HDS. 

Does the HDS identify the vehicle?  

YES - Go to step 4. 

NO - Go to step 21. 

4. Check for Temporary DTCs or DTCs in the PGM-FI system with the HDS. 

NOTE:

Make sure the HDS and the DLC cable of the HDS is normal.

NOTE:

Make sure the HDS is properly connected to the DLC.

 

2007 Acura RL 

2005-08 ENGINE PERFORMANCE PGM-FI System - RL

  

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Are any Temporary DTCs or DTCs indicated?

YES - Go to the indicated DTCs troubleshooting 

NO - Go to step 5. 

5. Turn the ignition switch OFF.  

6. Turn the ignition switch ON (II), and watch the SRS indicator. 

Does the SRS indicator stay on?  

YES - Go to the SRS system's general troubleshooting information (see GENERAL 
TROUBLESHOOTING INFORMATION ) 

NO - Go to step 7. 

7. Turn the ignition switch OFF.  

8. Turn the ignition switch ON (II), and watch the VSA indicator. 

Does the VSA indicator stay on?  

YES - Go to the VSA system's general troubleshooting information (see GENERAL 
TROUBLESHOOTING INFORMATION ) 

NO - Go to step 9. 

9. Turn the ignition switch OFF.  

10. Turn the ignition switch ON (II), and watch the immobilizer indicator. 

Does the immobilizer indicator stay on or flash?  

YES - Go to the immobilizer system's troubleshooting (see SYMPTOM TROUBLESHOOTING ) 

NO - Go to step 11. 

11. Turn the ignition switch OFF.  

12. Turn the ignition switch ON (II), and watch the SH-AWD indicator. 

Does the SH-AWD indicator stay on?  

YES - Go to the SH-AWD system's general troubleshooting information (see GENERAL 
TROUBLESHOOTING INFORMATION ) 

NO - Go to step 13. 

13. Do the gauge self-diagnostic function (see SELF-DIAGNOSTIC FUNCTION ) to make sure the 

gauge is known-good. If the function test is OK, go to step 14.  

14. Check for B-CAN system DTCs without the HDS (see GENERAL TROUBLESHOOTING 

INFORMATION ). 

 

2007 Acura RL 

2005-08 ENGINE PERFORMANCE PGM-FI System - RL

  

me 

 

Friday, June 05, 2009 2:35:00 PM

Page 189  © 2005 Mitchell Repair Information Company, LLC.