Acura TSX / Honda Accord CL. Manual - part 517

10. Turn the ignition switch OFF.  

11. Disconnect the throttle actuator control module 16P connector.  

12. Disconnect the throttle body 6P connector.  

13. Connect throttle body 6P connector terminal No. 2 to body ground with a jumper wire. 

Fig. 5: Connecting Throttle Body 6P Connector Terminal No. 2 To Body Ground With A Jumper 
Wire 

14. Check for continuity between throttle actuator control module 16P connector terminal No. 11 and body 

ground. 

 

2004 Acura TSX 

2004 ENGINE PERFORMANCE Electronic Throttle Control System - TSX

  

 

Fig. 6: Checking For Continuity Between Throttle Actuator Control Module 16P Connector 
Terminal No. 11 And Body Ground 

Is there continuity? 

YES - Substitute a known-good throttle actuator control module (see THROTTLE ACTUATOR 
CONTROL MODULE REPLACEMENT ), then go to step 17 and recheck. If DTC P0122 is not 
indicated, replace the original throttle actuator control module, then go to step 17 . If DTC P0122 is 
indicated, go to step 15. 

NO - Repair open in the wire between the throttle body and the throttle actuator control module (VCC 
line), then go to step 17. 

15. Turn the ignition switch OFF.  

16. Replace the throttle body (see THROTTLE BODY REMOVAL/INSTALLATION ).  

17. Turn the ignition switch ON (II).  

18. Reset the ECM/PCM with the HDS.  

19. Do the ECM/PCM idle learn procedure (see ECM/PCM IDLE LEARN PROCEDURE ).  

20. Check for Temporary DTCs or DTCs in the DTCs MENU with the HDS. 

 

2004 Acura TSX 

2004 ENGINE PERFORMANCE Electronic Throttle Control System - TSX

  

 

Are any Temporary DTCs or DTCs indicated?

YES - If DTC P0122 is indicated, check for poor connections or loose terminals at the throttle body and 
the throttle actuator control module, then go to step 1. If any other Temporary DTCs or DTCs are 
indicated, go to the indicated DTC troubleshooting. 

NO - Troubleshooting is complete. 

DTC P0123: TP SENSOR A CIRCUIT HIGH VOLTAGE 

1. Turn the ignition switch ON (II).  

2. Check for Temporary DTCs or DTCs in the DTCs MENU with the HDS. 

Are DTC P0123 and P0223 indicated at the same time? 

YES - Go to step 11 . 

NO - Go to step 3. 

3. Clear the DTC with the HDS.  

4. Check TP SENSOR-A in the DATA LIST with the HDS. 

Is there about 4.8 V or higher? 

YES - Go to step 5. 

NO - Intermittent failure, system is OK at this time. Check for poor connections or loose terminals at the 
throttle body and the throttle actuator control module. 

5. Measure voltage between throttle body 6P connector terminal No. 1 and body ground. 

 

2004 Acura TSX 

2004 ENGINE PERFORMANCE Electronic Throttle Control System - TSX

  

 

Fig. 7: Measuring Voltage Between Throttle Body 6P Connector Terminal No. 1 And Body Ground

Is there about 5 V? 

YES - Go to step 16 . 

NO - Go to step 6. 

6. Turn the ignition switch OFF.  

7. Disconnect the throttle actuator control module 16P connector.  

8. Disconnect the throttle body 6P connector. 

 

2004 Acura TSX 

2004 ENGINE PERFORMANCE Electronic Throttle Control System - TSX