P0705

DTC P0705: Short in Transmission Range Switch Circuit (Multiple Shift-position Input)

NOTE:
^ Record all freeze data and review the General Troubleshooting Information before you troubleshoot.
^ 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. Move the shift lever into each position for 1 second, and check the OBD status in the DTC Monitor Tool from DTCs/Freeze Data in A/T Mode Menu for a pass/fail test of code P0705.
Did the result indicate a fail?
YES-Go to step 3.
NO-Intermittent failure, the system is OK at this time. Check for an intermittent short in the wire between the transmission range switch, PCM and gauge assembly. If the tester indicates NOT COMPLETE, return to step 1 and recheck.
3. Inspect the transmission range switch.
Is the switch OK?
YES-With the switch connector disconnected, go to step 4.
NO-Replace the transmission range switch, then go to step 51.
4. Turn the ignition switch ON (II).





5. Measure the voltage between transmission range switch connector terminals No. 10 and No. 6.
Is there battery voltage?
YES-Go to step 11.
NO-Go to step 6.
6. Turn the ignition switch OFF.
7. Jump the SCS line with the HDS.
8. Disconnect PCM connector A (44P).
9. Disconnect gauge assembly connector C (14P).





10. Check for continuity between PCM connector terminal A12 and body ground.
Is there continuity?
YES-Repair short in the wire between PCM connector terminal A12, transmission range switch, and gauge assembly, then go to step 52.
NO-Update the PCM if it does not have the latest software, or substitute a known-good PCM, then recheck. If the symptom/indication goes away with a known-good PCM, replace the original PCM.





11. Measure the voltage between transmission range switch connector terminals No. 4 and No. 6.
Is there battery voltage?
YES-Go to step 17.
NO-Go to step 12.
12. Turn the ignition switch OFF.
13. Jump the SCS line with the HDS.
14. Disconnect PCM connector C (44P).
15. Disconnect gauge assembly connector C (14P).





16. Check for continuity between PCM connector terminal C30 and body ground.
Is there continuity?
YES-Repair short in the wire between PCM connector terminal C30, transmission range switch, and gauge assembly, then go to step 52.
NO-Update the PCM if it does not have the latest software, or substitute a known-good PCM, then recheck. If the symptom/indication goes away with a known-good PCM, replace the original PCM.





17. Measure the voltage between transmission range switch connector terminals No. 9 and No. 6.
Is there battery voltage?
YES-Go to step 23.
NO-Go to step 18.
18. Turn the ignition switch OFF.
19. Turn the SCS line with the HDS.
20. Disconnect PCM connector C (44P).
21. Disconnect gauge assembly connector C (14P).





22. Check for continuity between PCM connector terminal C31 and body ground, is there continuity?
YES-Repair short in the wire between PCM connector terminal C31, transmission range switch, and gauge assembly, then go to step 52.
NO-Update the PCM if it does not have the latest software, or substitute a known-good PCM, then recheck, If the symptom/indication goes away with a known-good PCM, replace the original PCM.





23. Measure the voltage between transmission range switch connector terminals No. 3 and No. 6.
Is there battery voltage?
YES-Go to step 29.
NO-Go to step 24.
24. Turn the ignition switch OFF.
25. Jump the SCS line with the HDS.
26. Disconnect PCM connector C (44P).
27. Disconnect gauge assembly connector A (30P).





28. Check for continuity between PCM connector terminal C32 and body ground.
Is there continuity?
YES-Repair short in the wire between PCM connector terminal C32, transmission range switch, then go to step 52.
NO-Update the PCM if it does not have the latest software, or substitute a known-good PCM, then recheck. If the symptom/indication goes away with a known-good PCM, replace the original PCM.





29. Measure the voltage between transmission range switch connector terminals No. 8 and No. 6.
Is there battery voltage?
YES-Go to step 35.
NO-Go to step 30.
30. Turn the ignition switch OFF.
31. Jump the SCS line with the HDS.
32. Disconnect PCM connector C (44P).
33. Disconnect gauge assembly connector C (14P).





34. Check for continuity between PCM connector terminal C33 and body ground.
Is there continuity?
YES-Repair short in the wire between PCM connector terminal C33, transmission range switch, and gauge assembly, then go to step 52.
NO-Update the PCM if it does not have the latest software, or substitute a known-good PCM, then recheck. If the symptom/indication goes away with a known-good PCM, replace the original PCM.





35. Measure the voltage between transmission range switch connector terminals No. 2 and No. 6.
Is there battery voltage?
YES-Go to step 41.
NO-Go to step 36.
36. Turn the ignition switch OFF.
37. Jump the SCS line with the HDS.
38. Disconnect PCM connector C (44P).
39. Disconnect gauge assembly connector C (14P).





40. Check for continuity between PCM connector terminal C34 and body ground.
Is there continuity?
YES-Repair short in the wire between PCM connector terminal C34, transmission range switch, and gauge assembly, then go to step 52.
NO-Update the PCM if it does not have the latest software, or substitute a known-good PCM, then recheck. If the symptom/indication goes away with a known-good PCM, replace the original PCM.





41. Measure the voltage between transmission range switch connector terminals No. 7 and No. 6.
Is there battery voltage?
YES-Go to step 47.
NO-Go to step 42.
42. Turn the ignition switch OFF.
43. Jump the SCS line with the HDS.
44. Disconnect PCM connector C (44P).
45. Disconnect gauge assembly connector C (14P).





46. Check for continuity between PCM connector terminal C35 and body ground.
Is there continuity?
YES-Repair short in the wire between PCM connector terminal C35, transmission range switch, and gauge assembly, then go to step 52.
NO-Update the PCM if it does not have the latest software, or substitute a known-good PCM, then recheck. If the symptom/indication goes away with a known-good PCM, replace the original PCM.





47. Measure the voltage between transmission range switch connector terminals No. 1 and No. 6.
Wire side of female terminals
Is there battery voltage?
YES-Update the PCM if it does not have the latest software, or substitute a known-good PCM, then recheck. If the symptom/indication goes away with a known-good PCM, replace the original PCM.
NO-Go to step 48.
48. Turn the ignition switch OFF.
49. Jump the SCS line with the HDS.
50. Disconnect PCM connector C (44P).





51. Check for continuity between PCM connector terminal C17 and body ground.
Terminal side of female terminals
Is there continuity?
YES-Repair short in the wire between PCM connector terminal C17, transmission range switch, then go to step 52.
NO-Update the PCM if it does not have the latest software, or substitute a known-good PCM, then recheck. If the symptom/indication goes away with a known-good PCM, replace the original PCM.
52. Clear the DTC with the HDS.
53. Move the shift lever, stop it in 1 second in each position.
54. Check the OBD status in DTC Monitor Tool from DTCs/Freeze Data in A/T Mode Menu for a pass/fail test of code P0705.
Did the result Indicate a pass?
YES-The problem has been corrected.
NO-Return to step 1 and recheck.