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
- Warm up the engine to normal operating temperature (the radiator fan comes on).
- Make sure that the transmission is filled to the proper level, and check for fluid leaks.
- Drain the ATF (see step 3 on
) 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.
NO -Replace the ATF (see step 5 on ), then go to step 4.
- Turn the ignition switch ON (II).
- Clear the DTC with the HDS.
- Choose Shift Solenoid E in Miscellaneous Test Menu, and check that shift solenoid valve E operates with the HDS.
Is a clicking sound heard?
YES -Go to step 7.
NO -Replace shift solenoid valve E (see SHIFT SOLENOID VALVE AND SHIFT SOLENOID WIRE HARNESS REPLACEMENT ), then go to step 9.
- Choose Clutch Pressure Control (Linear) Solenoid A in Miscellaneous Test Menu, and test A/T clutch pressure control solenoid valve A with the HDS.
Is the result NORMAL?
YES -Intermittent failure, the system is OK at this time.
NO -Follow instructions indicated on the HDS by the test result, but if the tester has not determined the cause of the failure, go to step 8. If any part was replaced, go to step 9.
- Inspect A/T clutch pressure control solenoid valve A (see 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 with shift valve E, or replace the transmission, then go to step 9.
NO -Replace A/T clutch pressure control solenoid valve A (see A/T CLUTCH PRESSURE CONTROL SOLENOID VALVE A REPLACEMENT ), then go to step 9.
- Reconnect all connectors.
- Turn the ignition switch ON (II).
- Clear the DTC with the HDS.
- Test-drive the vehicle in the D position through all five gears at speeds over 20 km/h (12 mph) for more than 20 seconds, then slow down to a stop.
- Repeat the test-drive in step 12.
- Check for DTCs with the HDS.
Is DTC P1731 indicated?
YES -Go to step 5.
NO -Go to step 15.
- Monitor the OBD STATUS for P1731 in the DTCs MENU with the HDS.
Does the screen indicate PASSED?
YES -Troubleshooting is complete. If any other DTCs were indicated in step 14, go to the INDICATED DTC'S TROUBLESHOOTING .
NO -If the screen indicates FAILED, go to step 5. If the screen indicates NOT COMPLETED, go to step 12.