DTC Troubleshooting: P0705 (5-2)

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

NOTE:

1.Clear the DTC with the HDS.

2.Start the engine.

3.Move the shift lever to each position, and 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 fail?


YES - Go to 4.


NO - Intermittent failure, the system is OK at this time. Check for an intermittent short in the wires between the transmission range switch and PCM. If the tester indicates NOT COMPLETE, return to 1 and recheck.n


4.Test the transmission range switch.

Is the switch OK?


YES - Go to 5.


NO - Replace the transmission range switch, then go to 55.

5.Turn the ignition switch ON (II).

6.Shift to all positions other than P.

7.Measure the voltage between PCM connector terminals D6 and A8 or A9.

 

Is there battery voltage?


YES - Go to 14.


NO - Go to 8.

8.Turn the ignition switch OFF.

9.Jump the SCS line with the HDS.

10.Disconnect PCM connector D (17P).

11.Check for continuity between PCM connector terminal D6 and body ground.

 

Is there continuity?


YES - Repair short in the wire between PCM connector terminal D6 and the transmission range switch, then go to 55.


NO - Go to 12.

12.Disconnect PCM connector A (31P).

13.Check for continuity between PCM connector terminals A8 and body ground, and between A9 and body ground.

 

Is there continuity?


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.n


NO - Repair open in the wire between PCM connector terminals A8, A9, and ground (G101), or repair poor ground (G101), then go to 55.

14.Shift to all positions other than R.

15.Measure the voltage between PCM connector terminals D5 and A8 or A9.

 

Is there battery voltage?


YES - Go to 20.


NO - Go to 16.

16.Turn the ignition switch OFF.

17.Jump the SCS line with the HDS.

18.Disconnect PCM connector D (17P).

19.Check for continuity between PCM connector terminal D5 and body ground.

 

Is there continuity?


YES - Repair short in the wire between PCM connector terminal D5 and the transmission range switch, then go to 55.


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.n

20.Measure the voltage between PCM connector terminals C12 and A8 or A9.

 

Is there battery voltage?


YES - Go to 25.


NO - Go to 21.

21.Turn the ignition switch OFF.

22.Jump the SCS line with the HDS.

23.Disconnect PCM connector C (22P).

24.Check for continuity between PCM connector terminal C12 and body ground.

 

Is there continuity?


YES - Repair short in the wire between PCM connector terminal C12 and the transmission range switch, then go to 55.


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.n

25.Shift to all positions other than N.

26.Measure the voltage between PCM connector terminals C20 and A8 or A9.

 

Is there battery voltage?


YES - Go to 31.


NO - Go to 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 C20 and body ground.

 

Is there continuity?


YES - Repair short in the wire between PCM connector terminal C20 and the transmission range switch, then go to 55.


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.n

31.Shift to all positions other than D.

32.Measure the voltage between PCM connector terminals C17 and A8 or A9.

 

Is there battery voltage?


YES - Go to 37.


NO - Go to 33.

33.Turn the ignition switch OFF.

34.Jump the SCS line with the HDS.

35.Disconnect PCM connector C (22P).

36.Check for continuity between PCM connector terminal C17 and body ground.

 

Is there continuity?


YES - Repair short in the wire between PCM connector terminal C17 and the transmission range switch, then go to 55.


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.n

37.Shift to all positions other than 2.

38.Measure the voltage between PCM connector terminals C11 and A8 or A9.

 

Is there battery voltage?


YES - Go to 43.


NO - Go to 39.

39.Turn the ignition switch OFF.

40.Jump the SCS line with the HDS.

41.Disconnect PCM connector C (22P).

42.Check for continuity between PCM connector terminal C11 and body ground.

 

Is there continuity?


YES - Repair short in the wire between PCM connector terminal C11 and the transmission range switch, then go to 55.


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.n

43.Shift to all positions other than 1.

44.Measure the voltage between PCM connector terminals C9 and A8 or A9.

 

Is there battery voltage?


YES - Go to 49.


NO - Go to 45.

45.Turn the ignition switch OFF.

46.Jump the SCS line with the HDS.

47.Disconnect PCM connector C (22P).

48.Check for continuity between PCM connector terminal C9 and body ground.

 

Is there continuity?


YES - Repair short in the wire between PCM connector terminal C9 and the transmission range switch, then go to 55.


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.n

49.Shift to all positions other than D, 2, and 1.

50.Measure the voltage between PCM connector terminals C18 and A8 or A9.

 

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.n


NO - Go to 51.

51.Turn the ignition switch OFF.

52.Jump the SCS line with the HDS.

53.Disconnect PCM connector C (22P).

54.Check for continuity between PCM connector terminal C18 and body ground.

 

Is there continuity?


YES - Repair short in the wire between PCM connector terminal C18 and the transmission range switch, then go to 55.


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.n


55.Clear the DTC with the HDS.

56.Move the shift lever to each position, and 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.n


NO - Return to 1 and recheck.n