Code No.P0707: Inhibitor switch system (Open circuit)








OPERATION
DIAGNOSIS CODE SET CONDITIONS
PROBABLE CAUSES
- Malfunction of the inhibitor switch
- Damaged harness wires and connectors
- Malfunction of the A/T-ECU
DIAGNOSIS PROCEDURE |
STEP 1. M.U.T.-III data list |
Item 34: Inhibitor switch (Refer to data list reference table ). |
Q.
Is the check result normal?
|
Go to Step 6. |
|
NO <none of the selector lever positions are displayed on M.U.T.-III> : Go to Step 2. |
|
NO <only one of the selector lever positions is not displayed on M.U.T.-III> : Go to Step 7. |
|
STEP 2. Connector check: C-05 Inhibitor switch connector. |
| Check for the contact with terminals. |
Q.
Is the check result normal?
|
Go to Step 3. |
|
Repair the defective connector. |
|
STEP 3. Check the inhibitor switch. |
Refer to . |
Q.
Is the check result normal?
|
Go to Step 4. |
|
Replace the inhibitor switch. |
|
STEP 4. Connector check: D-401 J/B connector, D-225 and D-229 intermediate connector |
| Check for the contact with terminals. |
Q.
Is the check result normal?
|
Go to Step 5. |
|
Repair the defective connector. |
|
STEP 5. Check the harness between inhibitor switch connector C-05 terminal No.3 and J/B connector D-401 terminal No.12. |
| Check the power supply line for open and short circuit. |
Q.
Is the check result normal?
|
Go to Step 6. |
|
Repair the wiring harness. |
|
STEP 6. Check whether the diagnosis code is reset. |
| Check again if the diagnosis code is set. |
Q.
Is diagnosis code No.P0707 set?
|
Replace the A/T-ECU. |
|
Intermittent malfunction (Refer to GROUP 00 - How to Cope with Intermittent Malfunction ). |
|
STEP 7. Connector check: C-05 inhibitor switch connector. |
| Check for the contact with terminals. |
Q.
Is the check result normal?
|
Go to Step 8. |
|
Repair the defective connector. |
|
STEP 8. Check the inhibitor switch. |
Refer to . |
Q.
Is the check result normal?
|
Go to Step 9. |
|
Replace the inhibitor switch. |
|
STEP 9. Connector check: D-139 A/T-ECU connector, D-225 intermediate connector. |
| Check for the contact with terminals. |
Q.
Is the check result normal?
|
Go to Step 10. |
|
Repair the defective connector. |
|
STEP 10. Check the harness between inhibitor switch connector C-05 terminal No.8, 4, 5, 7 and A/T-ECU connector D-139 terminal No.54, 55, 46, 47. |
| Check the output line for open and short circuit. |
Q.
Is the check result normal?
|
Go to Step 6. |
|
Repair the wiring harness. |
|



Repair the defective connector.