DTC Troubleshooting

DTC Troubleshooting: P1731 (45)

DTC P1731:

Problem in Shift Control System:

- Shift Solenoid Valve E Stuck ON
- Shift Valve E Stuck
- A/T Clutch Pressure Control Solenoid Valve A Stuck OFF

NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot with the HDS, and review the General Troubleshooting Information Reading and Clearing Diagnostic Trouble Codes.

1. Warm up the engine to normal operating temperature (the radiator fan comes on).

2. Make sure that the transmission is filled to the proper level, and check for fluid leaks.

3. Drain the ATF ATF Replacement through a strainer. Inspect the strainer for metal debris or excessive clutch material.

Does the strainer have metal debris or excessive clutch material?

YES -

Replace the transmission, then go to step 14.

NO -

Replace the ATF ATF Replacement, then go to step 4.

4. Turn the ignition switch to ON (II).

5. Clear the DTC with the HDS.

6. Test-drive the vehicle with the shift lever in D, and let the transmission shift through all five gears.

7. Monitor the OBD STATUS for P1731 in the DTCs MENU with the HDS.

Does the HDS indicate FAILED?

YES -

Go to step 8.

NO -

If the HDS indicates PASSED, intermittent failure, the system is OK at this time. If the HDS indicates NOT COMPLETED, go to step 6.

8. Clear the DTC with the HDS.

9. Select Shift Solenoid Valve E in the Miscellaneous Test Menu, and check that shift solenoid valve E operates with the HDS.

Is a clicking sound heard?

YES -

Go to step 10.

NO -

Replace shift solenoid valve E Shift Solenoid Valve Test, Replacement, and Shift Solenoid Wire Harness Replacement (A/T), then go to step 14.

10. Select Clutch Pressure Control (Linear) Solenoid Valve A in the Miscellaneous Test Menu, and test A/T clutch pressure control solenoid valve A with the HDS.

Does the HDS indicate NORMAL?

YES -

Intermittent failure, the system is OK at this time.�

NO -

Follow the instructions indicated on the HDS according to the test result, if the HDS has not determined the cause of the failure, go to step 11. If a part is replaced, go to step 12.

11. Test A/T clutch pressure control solenoid valve A A/T Clutch Pressure Control Solenoid Valve A Test.

Does A/T clutch pressure control solenoid valve A test OK?

YES -

Repair shift valve E and the related hydraulic circuit, or replace the transmission, then go to step 14.

NO -

Replace A/T clutch pressure control solenoid valve A A/T Clutch Pressure Control Solenoid Valve A Test, then go to step 14.

12. Turn the ignition switch to ON (II).

13. Clear the DTC with the HDS.

14. Test-drive the vehicle with the shift lever in D, and let the transmission shift through all five gears.

15. Check for Pending or Confirmed DTCs with the HDS.

Is DTC P1731 indicated?

YES -

Go to step 8.

NO -

Go to step 16.

16. Monitor the OBD STATUS for P1731 in the DTCs MENU with the HDS.

Does the HDS indicate PASSED?

YES -

Troubleshooting is complete. If any other Pending or Confirmed DTCs were indicated in step 15, go to the indicated DTC's troubleshooting.�

NO -

If the HDS indicates FAILED, go to step 8. If the HDS indicates NOT COMPLETED, go to step 14.