DTC Troubleshootingcs

DTC Troubleshooting: P1731 (45)

DTC P1731:

Shift Error C

- 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 General Troubleshooting Information. How To Troubleshoot The A/T System

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 through a strainer ATF Replacement. 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 12.

NO -

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

4. Clear the DTC with the HDS.

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

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

Does the HDS indicate FAILED?

YES -

Go to step 7.

NO -

If the HDS indicates PASSED, intermittent failure, the system is OK at this time. If the HDS indicates NOT COMPLETED, go to step 5.

7. Clear the DTC with the HDS.

8. 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 9.

NO -

Replace shift solenoid valve E Shift Solenoid Valve Test, Replacement, And Shift Solenoid Wire Harness Replacement, then go to step 11.

9. 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 by the test result, but if the HDS has not determined the cause of the failure, go to step 10. If any part is replaced, go to step 11.

10. Inspect 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 work properly?

YES -

Repair the hydraulic system related to shift valve E, or replace the transmission, then go to step 12.

NO -

Replace A/T clutch pressure control solenoid valve A A/T Clutch Pressure Control Solenoid Valve A Replacement, then go to step 11.

11. Clear the DTC with the HDS.

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

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

Is DTC P1731 indicated?

YES -

Go to step 7.

NO -

Go to step 14.

14. 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 13 P1731, go to the indicated DTC's troubleshooting.�

NO -

If the HDS indicates FAILED, go to step 7. If the HDS indicates NOT COMPLETED, go to step 12.