DTC Troubleshooting

DTC Troubleshooting: P0732 (64)

DTC P0732:

Problem in 2nd Clutch and 2nd Clutch Hydraulic Circuit (2nd Gear Incorrect Ratio)

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 12.

NO -

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

4. Check the stall speed in D A/T Stall Speed Test.

Is the stall speed within the service limits?

YES -

Go to step 5.

NO -

Shift valve C is stuck. Repair shift valve C and the related hydraulic circuit, or replace the transmission, then go to step 12.

5. Measure the line pressure A/T Pressure Test.

Is the line pressure within the service limit?

YES -

Go to step 6.

NO -

Repair the ATF pump and the regulator valve, or replace the transmission, then go to step 12.

6. Measure the 2nd clutch pressure A/T Pressure Test.

Is the 2nd clutch pressure within the service limit?

YES -

Go to step 7.

NO -

Shift valves A and B are stuck. Repair these valves and the related hydraulic circuit, or replace the transmission, then go to step 12.

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

8. Clear the DTC with the HDS.

9. Test-drive the vehicle in 2nd gear, with the shift lever in D, at speeds over 7 mph (12 km/h), and with the engine speed above 1,000 rpm for at least 12 seconds.

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

Is DTC P0732 indicated?

YES -

Repair the 2nd clutch, or replace the transmission, then go to step 12.

NO -

Go to step 11.

11. Monitor the OBD STATUS for P0732 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 10, go to the indicated DTC's troubleshooting.�

NO -

If the HDS indicates FAILED, repair the 2nd clutch, or replace the transmission, then go to step 12. If the HDS indicates NOT COMPLETED, go to step 9.

12. Test-drive the vehicle in 2nd gear, with the shift lever in D, at speeds over 7 mph (12 km/h), and with the engine speed above 1,000 rpm for at least 12 seconds.

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

Is DTC P0732 indicated?

YES -

Check for poor connections or loose terminals between the input shaft (mainshaft) speed sensor and the output shaft (countershaft) speed sensor and the PCM, then go to step 4.

NO -

Go to step 14.

14. Monitor the OBD STATUS for P0732 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, go to the indicated DTC's troubleshooting.�

NO -

If the HDS indicates FAILED, check for poor connections or loose terminals between the input shaft (mainshaft) speed sensor and the output shaft (countershaft) speed sensor and the PCM, then go to step 4. If the HDS indicates NOT COMPLETED, go to step 12.