Acura TSX / Honda Accord CL. Manual — part 536

Fig. 62: Checking For Continuity Between ECM/PCM Connector Terminal B19 And Body Ground

Is there continuity?

YES - Repair short in the wire between the ECM/PCM (B19) and the throttle actuator control module,
then go to step 50 .

NO - Go to step 39.

2004 Acura TSX

2004 ENGINE PERFORMANCE Electronic Throttle Control System - TSX

39. Check for continuity between ECM/PCM connector terminal B19 and throttle actuator control module

16P connector terminals No. 6.

Fig. 63: Checking For Continuity Between ECM/PCM Connector Terminal B19 And Throttle
Actuator Control Module 16P Connector Terminals No. 6

Is there continuity?

YES - Substitute known-good throttle actuator control module (see THROTTLE ACTUATOR
CONTROL MODULE REPLACEMENT ), then go to step 50 and recheck. If DTC U0107 is not
indicated, replace the original throttle actuator control module (see THROTTLE ACTUATOR
CONTROL MODULE REPLACEMENT ), then go to step 50 . If DTC U0107 is indicated, go to step
56.

NO - Repair open in the wire between the ECM/PCM (B19) and the throttle actuator control module,
then go to step 50 .

2004 Acura TSX

2004 ENGINE PERFORMANCE Electronic Throttle Control System - TSX

40. Turn the ignition switch OFF.

41. Jump the SCS line with the HDS.

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

43. Disconnect ECM/PCM connector B (24P).

44. Check for continuity between ECM/PCM connector terminal B20 and body ground.

Fig. 64: Checking For Continuity Between ECM/PCM Connector Terminal B20 And Body Ground

2004 Acura TSX

2004 ENGINE PERFORMANCE Electronic Throttle Control System - TSX

Is there continuity?

YES - Repair short in the wire between the ECM/PCM (B20) and the throttle actuator control module,
then go to step 50.

NO - Go to step 45.

45. Check for continuity between ECM/PCM connector terminal B20 and throttle actuator control module

16P connector terminal No. 14.

Fig. 65: Checking For Continuity Between ECM/PCM Connector Terminal B20 And Throttle
Actuator Control Module 16P Connector Terminal No. 14

Is there continuity?

YES - Substitute known-good throttle actuator control module (see THROTTLE ACTUATOR
CONTROL MODULE REPLACEMENT ), then go to step 50 and recheck. If DTC U0107 is not

2004 Acura TSX

2004 ENGINE PERFORMANCE Electronic Throttle Control System - TSX