Acura TSX / Honda Accord CL. Manual — part 518

9. Connect throttle body 6P connector terminal No. 1 to body ground with a jumper wire.

Fig. 8: Connecting Throttle Body 6P Connector Terminal No. 1 To Body Ground With A Jumper
Wire

10. Check for continuity between throttle actuator control module 16P connector terminal No. 10 and body

ground.

2004 Acura TSX

2004 ENGINE PERFORMANCE Electronic Throttle Control System - TSX

Fig. 9: Checking For Continuity Between Throttle Actuator Control Module 16P Connector
Terminal No. 10 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 18 and recheck. If DTC P0123 is not
indicated, replace the original throttle actuator control module, then go to step 18. If DTC P0123 is
indicated, go to step 16.

NO - Repair open in the wire between the throttle body and the throttle actuator control module (TPS A
line), then go to step 18.

11. Turn the ignition switch OFF.

12. Disconnect the throttle body 6P connector.

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

14. Connect throttle body 6P connector terminal No. 4 to body ground with a jumper wire.

2004 Acura TSX

2004 ENGINE PERFORMANCE Electronic Throttle Control System - TSX

Fig. 10: Connecting Throttle Body 6P Connector Terminal No. 4 To Body Ground With A Jumper
Wire

15. Check for continuity between throttle actuator control module 16P connector terminal No. 9 and body

ground.

2004 Acura TSX

2004 ENGINE PERFORMANCE Electronic Throttle Control System - TSX

Fig. 11: Checking For Continuity Between Throttle Actuator Control Module 16P Connector
Terminal No. 9 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 18 and recheck. If DTC P0123 is not
indicated, replace the original throttle actuator control module, then go to step 18. If DTC P0123 is
indicated, go to step 16.

NO - Repair open in the wire between the throttle body and the throttle actuator control module (SG line),
then go to step 18.

16. Turn the ignition switch OFF.

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

18. Turn the ignition switch ON (II).

19. Reset the ECM/PCM with the HDS.

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

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

2004 Acura TSX

2004 ENGINE PERFORMANCE Electronic Throttle Control System - TSX