P0705
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. Turn the ignition switch ON (II).
2. Clear the DTC with the HDS.
3. Start the engine.
4. With the brake pedal pressed, move the shift lever through all positions. Stop for at least 1 second in each position.
5. Monitor the OBD STATUS for P0705 in the DTCs MENU with the HDS.
Does the screen indicate FAILED?
YES - Go to step 6.
NO - Intermittent failure, the system is OK at this time. Check for intermittent short to body ground in the wires between the transmission range switch and the PCM. If the screen indicates NOT COMPLETED, go to step 3.
6. Turn the ignition switch OFF.
7. Inspect the transmission range switch.
Is the switch OK?
YES - With the switch connector disconnected, go to step 8.
NO - Replace the transmission range switch, then go to step 50.
8. Turn the ignition switch ON (II).
9. Measure voltage between transmission range switch connector terminals No. 6 and No. 10.
Is there battery voltage?
YES - Go to step 15.
NO - Go to step 10.
10. Turn the ignition switch OFF.
11. Jump the SCS line with the HDS.
12. Disconnect PCM connector B (44P).
13. Check for continuity between PCM connector terminal B13 and body ground.
Is there continuity?
YES - Repair short to body ground in the wire between PCM connector terminal B13 and the transmission range switch, then go to step 50.
NO - Go to step 14.
14. Check for continuity between transmission range switch connector terminal No. 10 and body ground.
Is there continuity?
YES - Go to step 57.
NO - Repair open in the wire between transmission range switch connector terminal No. 10 and ground (G101), or repair poor ground (G101), then go to step 50.
15. Measure voltage between transmission range switch connector terminals No. 7 and No. 10.
Is there battery voltage?
YES - Go to step 20.
NO - Go to step 16.
16. Turn the ignition switch OFF.
17. Jump the SCS line with the HDS.
18. Disconnect PCM connector B (44P).
19. Check for continuity between PCM connector terminal B14 and body ground.
Is there continuity?
YES - Repair short to body ground in the wire between PCM connector terminal B14 and the transmission range switch, then go to step 50.
NO - Go to step 57.
20. Measure voltage between transmission range switch connector terminals No. 2 and No. 10.
Is there about 5 V?
YES - Go to step 25.
NO - Go to step 21.
21. Turn the ignition switch OFF.
22. Jump the SCS line with the HDS.
23. Disconnect PCM connector B (44P).
24. Check for continuity between PCM connector terminal B12 and body ground.
Is there continuity?
YES - Repair short to body ground in the wire between PCM connector terminal B12 and the transmission range switch, then go to step 50.
NO - Go to step 57.
25. Measure voltage between transmission range switch connector terminals No. 8 and No. 10.
Is there battery voltage?
YES - Go to step 30.
NO - Go to step 26.
26. Turn the ignition switch OFF.
27. Jump the SCS line with the HDS.
28. Disconnect PCM connector B (44P).
29. Check for continuity between PCM connector terminal B21 and body ground.
Is there continuity?
YES - Repair short to body ground in the wire between PCM connector terminal B21 and the transmission range switch, then go to step 50.
NO - Go to step 57.
30. Measure voltage between transmission range switch connector terminals No. 3 and No. 10.
Is there battery voltage?
YES - Go to step 35.
NO - Go to step 31.
31. Turn the ignition switch OFF.
32. Jump the SCS line with the HDS.
33. Disconnect PCM connector B (44P).
34. Check for continuity between PCM connector terminal B15 and body ground.
Is there continuity?
YES - Repair short to body ground in the wire between PCM connector terminal B15 and the transmission range switch, then go to step 50.
NO - Go to step 57.
35. Measure voltage between transmission range switch connector terminals No. 9 and No. 10.
Is there battery voltage?
YES - Go to step 40.
NO - Go to step 36.
36. Turn the ignition switch OFF.
37. Jump the SCS line with the HDS.
38. Disconnect PCM connector B (44P).
39. Check for continuity between PCM connector terminal B16 and body ground.
Is there continuity?
YES - Repair short to body ground in the wire between PCM connector terminal B16 and the transmission range switch, then go to step 50.
NO - Go to step 57.
40. Measure voltage between transmission range switch connector terminals No. 5 and No. 10.
Is there battery voltage?
YES - Go to step 45.
NO - Go to step 41.
41. Turn the ignition switch OFF.
42. Jump the SCS line with the HDS
43. Disconnect PCM connector B (44P).
44. Check for continuity between PCM connector terminal B28 and body ground.
Is there continuity?
YES - Repair short to body ground in the wire between PCM connector terminal B28 and the transmission range switch, then go to step 50.
NO - Go to step 57.
45. Measure voltage between transmission range switch connector terminals No. 1 and No. 10.
Is there battery voltage?
YES - Go to step 57.
NO - Go to step 46.
46. Turn the ignition switch OFF.
47. Jump the SCS line with the HDS.
48. Disconnect PCM connector B (44P).
49. Check for continuity between PCM connector terminal B22 and body ground.
Is there continuity?
YES - Repair short to body ground in the wire between PCM connector terminal B22 and the transmission range switch, then go to step 50.
NO - Go to step 57.
50. Reconnect all connectors.
51. Turn the ignition switch ON (II).
52. Clear the DTC with the HDS.
53. Start the engine.
54. With the brake pedal pressed, move the shift lever through all positions. Stop for at least 1 second in each position.
55. Check for DTCs with the HDS.
Is DTC P0705 indicated?
YES - Check for intermittent short to body ground in the wire between the transmission range switch and the PCM, then go to step 1.
NO - Go to step 56.
56. 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 DTCs were indicated in step 55, go to the indicated DTC's troubleshooting.
NO - If the screen indicates FAILED, check for intermittent short to body ground in the wire between the transmission range switch and the PCM, then go to step 1. If the screen indicates NOT COMPLETED, go to step 53.
57. Update the PCM if it does not have the latest software, or substitute a known good PCM.
58. Start the engine.
59. With the brake pedal pressed, move the shift lever through all positions. Stop for at least 1 second in each position.
60. Check for DTCs with the HDS.
Is DTC P0705 indicated?
YES - Check for intermittent short to body ground in the wire between the transmission range switch and the PCM. If the PCM was updated, substitute a known-good PCM, then go to step 58. If the PCM was substituted, go to step 1.
NO - Go to step 61.
61. 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 DTCs were indicated in step 60, go to the indicated DTC' s troubleshooting.
NO - If the screen indicates FAILED, check for intermittent short to body ground in the wire between the transmission range switch and the PCM. If the PCM was updated, substitute a known good PCM, then go to step 58. If the PCM was substituted, go to step 1. If the screen indicates NOT COMPLETED, go to step 58.