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Home >> Mitsubishi >> 2005 >> Eclipse V6-3.0L SOHC >> Repair and Diagnosis >> A L L Diagnostic Trouble Codes ( DTC ) >> Testing and Inspection >> P Code Charts >> P0705 >> Transmission Range Switch System (Open Circuit) >> Part 2

Part 2















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

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 below.
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 position as indicated in the table below.
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 Step 39.

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 below.
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 below.
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.


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