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