Automatic Transmission
DTC P0705: Short in Transmission Range Switch Circuit (Multiple Shift-position 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. Start the engine.
3. With the brake pedal pressed, move the shift lever through all positions. Stop for at least 1 second in each position.
4. Monitor the OBD STATUS for P0705 in the DTCs MENU with the HDS.
Does the screen indicate PASSED?
YES - Intermittent failure, the system is OK at this time. Check for an intermittent short in the wire between the transmission range switch and the PCM.
NO - If the screen indicates FAILED, go to step 5. If the screen indicates NOT COMPLETED, return to step 3 and recheck.
5. Turn the ignition switch to LOCK (0).
6. Inspect the transmission range switch.
Is the switch OK?
YES - Disconnect the switch connector, then go to step 7.
NO - Go to step 44.
7. Turn the ignition switch to ON (II).
8. Measure the voltage between transmission range switch connector terminals No. 4 and No. 5.
Is there battery voltage?
YES - Go to step 14.
NO - Go to step 9.
9. Turn the ignition switch to LOCK (0).
10. Jump the SCS line with the HDS.
11. Disconnect PCM connector A (44P).
12. Check for continuity between PCM connector terminal Al2 and body ground.
Is there continuity?
YES - Repair a short to body ground in the wire between PCM connector terminal Al2 and the transmission range switch, then go to step 45.
NO - Go to step 13.
13. Check for continuity between transmission range switch connector terminal No. 5 and body ground.
Is there continuity?
YES - Go to step 51.
NO - Repair an open in the wire between transmission range switch connector terminal No. 5 and ground (G101, G102), or repair poor ground (G101, G102), then go to step 45.
14. Measure the voltage between transmission range switch connector terminals No. 3 and No. 5.
Is there battery voltage?
YES - Go to step 19.
NO - Go to step 15.
15. Turn the ignition switch to LOCK (0).
16. Jump the SCS line with the HDS.
17. Disconnect PCM connector C (44P).
18. Check for continuity between PCM connector terminal C30 and body ground.
Is there continuity?
YES - Repair a short to body ground in the wire between PCM connector terminal C30 and the transmission range switch, then go to step 45.
NO - Go to step 51.
19. Measure the voltage between transmission range switch connector terminals No. 5 and No. 8.
Is there battery voltage?
YES - Go to step 24.
NO - Go to step 20.
20. Turn the ignition switch to LOCK (0).
21. Jump the SCS line with the HDS.
22. Disconnect PCM connector C (44P).
23. Check for continuity between PCM connector terminal C31 and body ground.
Is there continuity?
YES - Repair a short to body ground in the wire between PCM connector terminal C31 and the transmission range switch, then go to step 45.
NO - Go to step 51.
24. Measure the voltage between transmission range switch connector terminals No. 2 and No. 5.
Is there battery voltage?
YES - Go to step 29.
NO - Go to step 25.
25. Turn the ignition switch to LOCK (0).
26. Jump the SCS line with the HDS.
27. Disconnect PCM connector C (44P).
28. Check for continuity between PCM connector terminal C32 and body ground.
Is there continuity?
YES - Repair a short to body ground in the wire between PCM connector terminal C32 and the transmission range switch, then go to step 45.
NO - Go to step 51.
29. Measure the voltage between transmission range switch connector terminals No. 5 and No. 7.
Is there battery voltage?
YES - Go to step 34.
NO - Go to step 30.
30. Turn the ignition switch to LOCK (0).
31. Jump the SCS line with the HDS.
32. Disconnect PCM connector C (44P).
33. Check for continuity between PCM connector terminal C33 and body ground.
Is there continuity?
YES - Repair a short to ground in the wire between PCM connector terminal C33 and the transmission range switch, then go to step 45.
NO - Go to step 51.
34. Measure the voltage between transmission range switch connector terminals No. 1 and No. 5.
Is there battery voltage?
YES - Go to step 39.
NO - Go to step 35.
35. Turn the ignition switch to LOCK (0).
36. Jump the SCS line with the HDS.
37. Disconnect PCM connector C (44P).
38. Check for continuity between PCM connector terminal C34 and body ground.
Is there continuity?
YES - Repair a short to ground in the wire between PCM connector terminal C34 and the transmission range switch, then go to step 45.
NO - Go to step 51.
39. Measure the voltage between transmission range switch connector terminals No. 5 and No. 9.
Is there battery voltage?
YES - Go to step 51.
NO - Go to step 40.
40. Turn the ignition switch to LOCK (0).
41. Jump the SCS line with the HDS.
42. Disconnect PCM connector C (44P).
43. Check for continuity between PCM connector terminal C17 and body ground.
Is there continuity?
YES - Repair a short to ground in the wire between PCM connector terminal C17 and the transmission range switch, then go to step 45.
NO - Go to step 51.
44. Replace the transmission range switch.
45. Reconnect all connectors.
46. Turn the ignition switch to ON (II).
47. Clear the DTC with the HDS.
48. With the brake pedal pressed, move the shift lever through all positions. Stop for at least 1 second in each position.
49. Check for Temporary DTCs or DTCs with the HDS.
Is DTC P0705 indicated?
YES - Check for poor connections or loose terminals at the transmission range switch and the PCM, then go to step 1.
NO - If Temporary DTC or DTC P0705 is not indicated, or if any other Temporary DTCs are indicated, go to step 50.
50. Monitor the OBD STATUS for P0705 in the DTCs MENU with the HDS.
Does the screen indicate PASSED?
YES - Troubleshooting is complete. If any other Temporary DTC or DTCs were indicated on step 49, go to the indicated DTCs troubleshooting.
NO - If the screen indicates FAILED, check for poor connections or loose terminals at the transmission range switch and the PCM, then go to step 1. If the screen indicates NOT COMPLETED, go to step 48.
51. Update the PCM if it does not have the latest software, or substitute a known-good PCM.
52. With the brake pedal pressed, move the shift lever through all positions. Stop for at least 1 second in each position.
53. Check for Temporary DTCs or DTCs with the HDS.
Is DTC P0705 indicated?
YES - Check for poor connections or loose terminals at the transmission range switch and the PCM. If the PCM was updated, substitute a known-good PCM, then go to step 52. If the PCM was substituted, go to step 1.
NO - If Temporary DTC or DTC P0705 is not indicated, or if any other Temporary DTCs or DTCs are indicated, go to step 5.
54. Monitor the OBD STATUS for P0705 in the DTCs MENU with the HDS.
Does the screen indicate PASSED?
YES - If the PCM was updated, troubleshooting is complete. If the PCM was substituted, replace the original PCM. If any other Temporary DTCs or DTCs were indicated on step 53, go to the indicated DTCs troubleshooting.
NO - If the screen indicates FAILED, check for poor connections or loose terminals at the transmission range switch and the PCM. If the PCM was updated, substitute a known-good PCM, then go to step 52. If the PCM was substituted, go to step 1. If the screen indicates NOT COMPLETED, go to step 52.