FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Part 2 of 2

DTC 27 (P0705): Transmission Range Switch System (Open Circuit)





Transmission Range Switch System Circuit

Part 1 Of 3:




Part 2 Of 3:




Part 3 Of 3:





Transmission Range Switch System Circuit

DIAGNOSIS

STEP 20. Check harness for short circuit to ground between transmission range switch connector B-41 terminal 7 and combination meter connector C-43 terminal 10.








Q: Is the harness wire in good condition?
YES: Go to Step 5.
NO: Repair or replace the harness wire.

STEP 21. Check the transmission range switch.








Measure the resistance between the terminals for each selector position as indicated in the table.

NOTE: For vehicles with spoof mode, four positions (P, R, N, D) are used.





Q: Is the measured resistance less than 2 ohms for each selector position?
YES: Go to Step 22.
NO: Replace the transmission range switch.

STEP 22. Check transmission range switch connector B-41 for loose, corroded or damaged terminals, or terminals pushed back in the connector.





Q: Are the connector and terminals in good condition?
YES: Go to Step 23.
NO: Repair or replace the damaged components.

STEP 23. Measure the transmission range switch output voltage at PCM connector C-61 <2.4L Engine> or C-63 <3.0L Engine> by backprobing.





1) Do not disconnect connector C-61 <2.4L Engine> or C-63 <3.0L Engine>.
2) Turn the ignition switch to the "ON" position.
3) Move the selector lever to the "N" position.





4) Measure the voltage between terminal 121 and ground by backprobing.
^ The voltage should measure battery positive voltage.
5) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Does the voltage measure battery positive voltage?
YES: Go to Step 13.
NO: Go to Step24.

STEP 24. Check PCM connector C-61 <2.4L Engine> or C-63 <3.0L Engine> for loose, corroded or damaged terminals, or terminals pushed back in the connector.





Q: Are the connector and terminals in good condition?
YES: Go to Step 25.
NO: Repair or replace the damaged components.

STEP 25. Check harness for open circuit or short circuit to ground between transmission range switch connector B-41 terminal 4 and PCM connector C-61 <2.4L Engine> or C-63 <3.0L Engine> terminal 121.








Q: Is the harness wire in good condition?
YES : Go to Step 5.
YES : Go to Step 26.
NO: Repair or replace the harness wire.

STEP 26. Check intermediate connector C-27 and combination meter connector C-43 for loose, corroded or damaged terminals, or terminals pushed back in the connector.








Q: Are the connectors and terminals in good condition?
YES: Go to Step 27.
NO: Repair or replace the damaged components.

STEP 27. Check harness for short circuit to ground between transmission range switch connector B-41 terminal 4 and combination meter connector C-43 terminal 9.








Q: Is the harness wire in good condition?
YES: Go to Step 5.
NO: Repair or replace the harness wire.

STEP 28. Check the transmission range switch.











Measure the resistance between the terminals for each selector position as indicated in the table.

NOTE: For vehicles with spoof mode, four positions (P, R, N, D) are used.

Q: Is the measured resistance less than 2 ohms for each selector position?
YES: Go to Step 29.
NO: Replace the transmission range switch.

STEP 29. Check transmission range switch connector B-41 for loose, corroded or damaged terminals, or terminals pushed back in the connector.





Q: Are the connector and terminals in good condition?
YES: Go to Step 30.
NO: Repair or replace the damaged components.

STEP 30. Measure the transmission range switch output voltage at PCM connector C-61 <2.4L Engine> or C-63 <3.0L Engine> by backprobing.





1) Do not disconnect connector C-61 <2.4L Engine> or C-63 <3.0L Engine>.
2) Turn the ignition switch to the "ON" position.
3) Move the selector lever to the "D" position.





4) Measure the voltage between terminal 102 and ground by backprobing.
^ The voltage should equal battery voltage (approximately 12 volts).
5) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Does the voltage measure battery positive voltage?
YES: Go to Step 13.
NO: Go to Step 31.

STEP 31. Check PCM connector C-61 <2.4L Engine> or C-63 <3.0L Engine> for loose, corroded or damaged terminals, or terminals pushed back in the connector.





Q: Are the connector and terminals in good condition?
YES: Go to Step 32.
NO: Repair or replace the damaged components.

STEP 32. Check harness for open circuit or short circuit to ground between transmission range switch connector B-41 terminal 1 and PCM connector C-61 <2.4L Engine> or C-63 <3.0L Engine> terminal 102.








Q: Is the harness wire in good condition?
YES : Go to Step 5.
YES : Go to Step 33.
NO: Repair or replace the harness wire.

STEP 33. Check shift switch assembly connector C-65, intermediate connector C-27 and combination meter connector C-41 for loose, corroded or damaged terminals, or terminals pushed back in the connector.











Q: Are the connectors and terminals in good condition?
YES: Go to Step 34.
NO: Repair or replace the damaged components.

STEP 34. Check harness for short circuit to ground between transmission range switch connector B-41 terminal 1 and shift switch assembly connector C-65 terminal 1.








Q: Is the harness wire in good condition?
YES: Go to Step 35.
NO: Repair or replace the harness wire.

STEP 35. Check harness for short circuit to ground between shift switch assembly connector C-65 terminal 2 and combination meter connector C-41 terminal 50.








Q: Is the harness wire in good condition?
YES: Go to Step 5.
NO: Repair or replace the harness wire.

STEP 36. Check the transmission range switch.








Measure the resistance between the terminals for each selector selector position as indicated in the table.

NOTE: For vehicles with spoof mode, four positions (P, R, N, D) are used.





Q: Is the measured resistance less than 2 ohms for each selector position?
YES: Go to Step 37.
NO: Replace the transmission range switch.

STEP 37. Check transmission range switch connector B-41 for loose, corroded or damaged terminals, or terminals pushed back in the connector.





Q: Are the connector and terminals in good condition?
YES: Go to Step 38.
NO: Repair or replace the damaged components.

STEP 38. Measure the transmission range switch output voltage at PCM connector C-61 by backprobing.





1) Do not disconnect connector C-61.
2) Turn the ignition switch to the "ON" position.
3) Move the selector lever to the "3" position.





4) Measure the voltage between terminal 109 and ground by backprobing.
^ The voltage should measure battery positive voltage.
5) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Does the voltage measure battery positive voltage?
YES: Go to Step 13.
NO: Go to Step39.

STEP 39. Check PCM connector C-61 for loose, corroded or damaged terminals, or terminals pushed back in the connector.





Q: Are the connector and terminals in good condition?
YES: Go to Step 40.
NO: Repair or replace the damaged components.

STEP 40. Check harness for open circuit or short circuit to ground between transmission range switch connector B-41 terminal 5 and PCM connector C-61 terminal 109.








Q: Is the harness wire in good condition?
YES: Go to Step 5.
NO: Repair or replace the harness wire.

STEP 41. Check the transmission range switch.











Measure the resistance between the terminals for each selector position as indicated in the table.

NOTE: For vehicles with spoof mode, four positions (P, R, N, D) are used.

Q: Is the measured resistance less than 2 ohms for each selector position?
YES: Go to Step 42.
NO: Replace the transmission range switch.

STEP 42. Check transmission range switch connector B-41 for loose, corroded or damaged terminals, or terminals pushed back in the connector.





Q: Are the connector and terminals in good condition?
YES: Go to Step 43.
NO: Repair or replace the damaged components.

STEP 43. Measure the transmission range switch output voltage at PCM connector C-61 by backprobing.





1) Do not disconnect connector C-61.
2) Turn the ignition switch to the "ON" position.
3) Move the selector lever to the "2" position.





4) Measure the voltage between terminal 122 and ground by backprobing.
^ The voltage should measure battery positive voltage.
5) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Does the voltage measure battery positive voltage?
YES: Go to Step 13.
NO: Go to Step 44.

STEP 44. Check PCM connector C-61 for loose, corroded or damaged terminals, or terminals pushed back in the connector.





Q: Are the connector and terminals in good condition?
YES: Go to Step 45.
NO: Repair or replace the damaged components.

STEP 45. Check harness for open circuit or short circuit to ground between transmission range switch connector B-41 terminal 2 and PCM connector C-61 terminal 122.








Q: Is the harness wire in good condition?
YES: Go to Step 5.
NO: Repair or replace the harness wire.

STEP 46. Check the transmission range switch.











Measure the resistance between the terminals for each selector position as indicated in the table.

NOTE: For vehicles with spoof mode, four positions (P, R, N, D) are used.

Q: Is the measured resistance less than 2 ohms for each selector position?
YES: Go to Step 47.
NO: Replace the transmission range switch.

STEP 47. Check transmission range switch connector B-41 for loose, corroded or damaged terminals, or terminals pushed back in the connector.





Q: Are the connector and terminals in good condition?
YES: Go to Step 48.
NO: Repair or replace the damaged components.

STEP 48. Measure the transmission range switch output voltage at PCM connector C-61 by backprobing.





1) Do not disconnect connector C-61.
2) Turn the ignition switch to the "ON" position.
3) Move the selector lever to the "L" position.





4) Measure the voltage between terminal 110 and ground by backprobing.
^ The voltage should measure battery positive voltage.
5) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Does the voltage measure battery positive voltage?
YES: Go to Step 13.
NO: Go to Step 49.

STEP 49. Check PCM connector C-61 for loose, corroded or damaged terminals, or terminals pushed back in the connector.





Q: Are the connector and terminals in good condition?
YES: Go to Step 50.
NO: Repair or replace the damaged components.

STEP 50. Check harness for open circuit or short circuit to ground between transmission range switch connector B-41 terminal 6 and PCM connector C-61 terminal 110.








Q: Is the harness wire in good condition?
YES: Go to Step 5.
NO: Repair or replace the harness wire.

STEP 51. Check PCM connector C-61 <2.4L Engine> or C-63 <3.0L Engine> and shift switch assembly connector C-65 for loose, corroded or damaged terminals, or terminals pushed back in the connector.








Q: Are the connector and terminals in good condition?
YES: Go to Step 52.
NO: Repair or replace the damaged components.

STEP 52. Check harness for short circuit to ground between shift switch assembly connector C-65 terminal 5 and PCM connector C-61 <2.4L Engine> or C-63 <3.0L Engine> terminal 109.








Q: Is the harness wire in good condition?
YES: Go to Step 5.
NO: Repair or replace the harness wire.