DTC Troubleshooting
DTC P0717: Problem in Input Shaft (Mainshaft) Speed Sensor Circuit (No Signal Input)NOTE:
- Before you troubleshoot, record all freeze data and any on-board snapshot, and review General Troubleshooting Information.
- This code is caused by an electrical circuit problem and cannot be caused by a mechanical problem in the transmission.
1. Clear the DTC with the HDS.
2. Check for proper input shaft (mainshaft) speed sensor installation.
3. Raise the vehicle, make sure it is securely supported, and allow all four wheels to rotate freely.
4. Start the engine, disable the VSA by pressing the VSA OFF button, run 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. Monitor the OBD STATUS for P0717 in the DTCs MENU with the HDS.
Does the screen indicate FAILED?
YES - Go to step 6.
NO - If the screen indicates PASSED, intermittent failure, the system is OK at this time. Check for loose or poor connections at the PCM and the input shaft (mainshaft) speed sensor connectors. If the screen indicates NOT COMPLETED, return to step 4 and recheck.
6. Turn the ignition switch OFF.
7. Jump the SCS line with the HDS.
8. Disconnect PCM connectors A (31P) and B (24P), and the input shaft (mainshaft) speed sensor connector.
9. Check for continuity between PCM connector terminals A3 and body ground, and between B15 and body ground.
Is there continuity?
YES - Go to step 10.
NO - Repair an open in the wires between PCM connector terminals A3, B15, and ground (G101, G102), or repair a poor ground (G101, G102), then go to step 32.
10. Connect PCM connectors A (31P) and B (24P).
11. Turn the ignition switch ON (II).
12. Measure voltage between input shaft (mainshaft) speed sensor connector terminal No. 1 and body ground.
Is there about 5 V?
YES - Go to step 13.
NO - Go to step 26.
13. Turn the ignition switch OFF.
14. Jump the SCS line with the HDS.
15. Disconnect PCM connector D (17P).
16. Check for continuity between input shaft (mainshaft) speed sensor connector terminal No. 2 and body ground.
Is there continuity?
YES - Repair a short to body ground in the wire between PCM connector terminal D8 and the input shaft (mainshaft) speed sensor connector, then go to step 32.
NO - Go to step 17.
17. Disconnect PCM connector C (22P).
18. Check for continuity between PCM connector terminal C12 and input shaft (mainshaft) speed sensor connector terminal No. 3.
Is there continuity?
YES - Go to step 19.
NO - Repair an open in the wire between the input shaft (mainshaft) speed sensor connector and PCM connector terminal C12, then go to step 32.
19. Connect PCM connectors C (22P) and D (17P).
20. Turn the ignition switch ON (II).
21. Measure voltage between input shaft (mainshaft) speed sensor connector terminals No. 2 and No. 3.
Is there about 5 V?
YES - Go to step 22.
NO - Go to step 31.
22. Connect the input shaft (mainshaft) speed sensor connector.
23. Measure voltage between PCM connector terminals D8 and A3 or B15.
Is the voltage 0 V or about 5 V?
YES - Go to step 24.
NO - Replace the input shaft (mainshaft) speed sensor, then go to step 32.
24. Shift to the P position. Start the engine, and let it idle.
25. With the engine idling, measure voltage between PCM connector terminals D8 and A3 or B15.
Is there 1.5 - 3.5 V?
YES - Go to step 38.
NO - Replace the input shaft (mainshaft) speed sensor, then go to step 32.
26. Measure voltage between PCM connector terminals C14 and A3 or B15.
Is there about 5 V?
YES - Repair an open in the wire between PCM connector terminal C14 and the input shaft (mainshaft) speed sensor, then go to step 32.
NO - Go to step 27.
27. Turn the ignition switch OFF.
28. Jump the SCS line with the HDS.
29. Disconnect PCM connector C (22P).
30. Check for continuity between PCM connector terminal C14 and body ground.
Is there continuity?
YES - Repair a short in the wire between PCM connector terminal C14 and the input shaft (mainshaft) speed sensor, then go to step 32.
NO - Go to step 38.
31. Measure voltage between PCM connector terminals D8 and A3 or B15.
Is there about 5 V?
YES - Repair an open in the wire between PCM connector terminal D8 and the input shaft (mainshaft) speed sensor, then go to step 32.
NO - Go to step 38.
32. Reconnect all connectors.
33. Turn the ignition switch ON (II).
34. Clear the DTC with the HDS.
35. Start the engine, disable the VSA by pressing the VSA OFF button, run the vehicle in the D position hold the vehicle speed reaches 30 mph (48 km/h), for more than 10 seconds, then slow down and stop the wheels.
36. Check for Temporary DTCs or DTCs with the HDS.
Is DTC P0717 indicated?
YES - Check for poor connections or loose terminals at the input shaft (mainshaft) speed sensor and the PCM, then go to step 1.
NO - Go to step 37.
37. Monitor the OBD STATUS for P0717 in the DTCs MENU with the HDS.
Does the screen indicate PASSED?
YES - Troubleshooting is complete.
NO - Return to step 6 and recheck.
38. Update the PCM if it does not have the latest software, or substitute a known-good PCM.
39. Start the engine, disable the VSA by pressing the VSA OFF button, run the vehicle in the D position hold the vehicle speed reaches 30 mph (48 km/h), for more than 10 seconds, then slow down and stop the wheels.
40. Check for Temporary DTCs or DTCs with the HDS.
Is DTC P0717 indicated?
YES - Check for poor connections or loose terminals at the input shaft (mainshaft) speed sensor and the PCM. If the PCM was updated, substitute a known-good PCM, then go to step 39. If the PCM was substituted, go to step 1.
NO - Go to step 41.
41. Monitor the OBD STATUS for P0717 in the DTCs MENU with the HDS.
Does the screen indicate PASSED?
YES - Troubleshooting is complete.
NO - Return to step 6 and recheck.