Acura TSX / Honda Accord CL. Manual - part 959

Fig. 143: Checking For Continuity Between PCM Connector Terminals A8 & Body Ground 
& Between A9 & Body Ground 

9. Connect PCM connector A (31P).  

10. Turn the ignition switch ON (II).  

11. Measure the voltage between countershaft speed sensor connector terminal No. 1 and body ground. 

Is there about 5 V? 

YES: Go to step 12.  

NO: Go to step 24 .  

 

2004 Acura TSX 

2004 AUTOMATIC TRANSMISSIONS Diagnosis - MCTA 5-Speed

  

 

Fig. 144: Measuring The Voltage Between Countershaft Speed Sensor Connector Terminal 
No. 1 & Body Ground 

12. Turn the ignition switch OFF.  

13. Jump the SCS line with the HDS.  

14. Disconnect PCM connector A (31P).  

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

Is there continuity? 

YES: Repair short to ground in the wire between PCM connector terminal A18 and 
countershaft speed sensor, then go to step 30 . 

 

2004 Acura TSX 

2004 AUTOMATIC TRANSMISSIONS Diagnosis - MCTA 5-Speed

  

 

NO: Go to step 16.  

Fig. 145: Checking For Continuity Between Countershaft Speed Sensor Connector Terminal 
No. 2 & Body Ground 

16. Check for continuity between countershaft speed sensor connector terminal No. 3 and body ground. 

Is there continuity? 

YES: Go to step 17.  

NO: Repair open in the wire between the countershaft speed sensor connector and ground 
(G101), then go to step 30 . 

 

2004 Acura TSX 

2004 AUTOMATIC TRANSMISSIONS Diagnosis - MCTA 5-Speed

  

 

Fig. 146: Checking For Continuity Between Countershaft Speed Sensor Connector Terminal 
No. 3 & Body Ground 

17. Reconnect PCM connector A (31P).  

18. Turn the ignition switch ON (II).  

19. Measure the voltage between countershaft speed sensor connector terminals No. 2 and No. 3. 

Is there about 5 V? 

YES: Go to step 20.  

NO: Go to step 29 .  

 

2004 Acura TSX 

2004 AUTOMATIC TRANSMISSIONS Diagnosis - MCTA 5-Speed