Acura TSX / Honda Accord CL. Manual - part 952

symptom/indication goes away with a known-good PCM, replace the original PCM. 

Fig. 119: Measuring The Voltage Between PCM Connector Terminals C19 & A8 Or A9 

30. Clear the DTC with the HDS.  

31. Test-drive the vehicle for several minutes under the same conditions as those indicated by the freeze data. 

32. Check the OBD STATUS in DTCs MENU for a pass/fail test of code P0716. 

Did the result pass? 

YES: The problem has been corrected.  

NO: Return to step 1 and recheck.  

DTC P0717: PROBLEM IN MAINSHAFT SPEED SENSOR CIRCUIT (NO SIGNAL INPUT) 

1. Record all freeze data, and clear the DTC with the HDS.  

2. Check for proper mainshaft speed sensor installation (see MAINSHAFT SPEED SENSOR 

NOTE:

z

Record all freeze data and review General Troubleshooting Information 
(see GENERAL TROUBLESHOOTING INFORMATION ) before you 
troubleshoot.  

z

This code is caused by an electrical circuit problem and cannot be caused 
by a mechanical problem in the transmission.  

 

2004 Acura TSX 

2004 AUTOMATIC TRANSMISSIONS Diagnosis - MCTA 5-Speed

  

 

REPLACEMENT ).  

3. Raise the front of the vehicle, make sure it is securely supported, and allow the front wheels to rotate 

freely.  

4. Start the engine, drive the vehicle in the D position, and hold the vehicle at speeds over 30 mph (48 km/h) 

for more than 10 seconds. Slow down and stop the wheels.  

5. Check the OBD STATUS in DTCs MENU for a pass/fail test of code P0717. 

Did the result fail? 

YES: Go to step 6.  

NO: Intermittent failure, the system is OK at this time. If the tester indicates NOT 
COMPLETE, return to step 4 and recheck.  

6. Turn the ignition switch OFF.  

7. Jump the SCS line with the HDS.  

8. Disconnect PCM connector A (31P) and mainshaft speed sensor connector.  

9. Check for continuity between PCM connector terminals A8 and body ground, and between A9 and body 

ground. 

Is there continuity? 

YES: Go to step 10.  

NO: Repair open in the wires between PCM connector terminals A8, A9 and ground (G101), 
or repair poor ground (G101), then go to step 30 . 

 

2004 Acura TSX 

2004 AUTOMATIC TRANSMISSIONS Diagnosis - MCTA 5-Speed

  

 

Fig. 120: Checking For Continuity Between PCM Connector Terminals A8 & Body Ground 
& Between A9 & Body Ground 

10. Connect PCM connector A (31P).  

11. Turn the ignition switch ON (II).  

12. Measure the voltage between mainshaft speed sensor connector terminal No. 1 and body ground. 

Is there about 5 V? 

YES: Go to step 13.  

NO: Go to step 24 .  

 

2004 Acura TSX 

2004 AUTOMATIC TRANSMISSIONS Diagnosis - MCTA 5-Speed

  

 

Fig. 121: Measuring The Voltage Between Mainshaft Speed Sensor Connector Terminal No. 1 
& Body Ground 

13. Turn the ignition switch OFF.  

14. Disconnect PCM connector C (22P).  

15. Check for continuity between mainshaft speed sensor connector terminal No. 2 and body ground. 

 

2004 Acura TSX 

2004 AUTOMATIC TRANSMISSIONS Diagnosis - MCTA 5-Speed