Honda Accord 2008 Manual page 973

07/11/02 08:48:34 61TA0000_140_0130
Automatic Transmission
DTC Troubleshooting (cont'd)
DTC P0741: Torque Converter Clutch
Hydraulic Circuit Stuck OFF
NOTE: Before you troubleshoot, record all freeze data
and any on-board snapshot with the HDS, and review
General Troubleshooting Information (see page 14-4).
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 (see step 3 on page 14-242) 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 (see page 14-242), then go to
step 4.
4. Turn the ignition switch to ON (II).
5. Clear the DTC with the HDS.
6. 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 7.
NO − Replace shift solenoid valve E (see page
14-226), then go to step 11.
14-128
7. Run the engine until the ECT Sensor temperature
reaches 176 °F (80 °C).
8. 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 − Go to step 9.
NO − Follow the instructions indicated on the HDS
according to the test result. Go to step 11 if any part
is replaced.
9. Test-drive the vehicle on a level road with a steady
throttle at 60 km/h (96 mph) for at least 20 seconds.
10. Monitor the OBD STATUS for P0741 in the DTCs
MENU with the HDS.
Does the HDS indicate F AILED?
YES − Repair the faulty torque converter clutch
mechanism, the torque converter clutch hydraulic
circuit, the lock-up shift valve, or the lock-up control
valve, or replace the transmission, then go to step
14.
NO − If the HDS indicates PASSED, intermittent
failure, the system is OK at this time. If the HDS
indicates NOT COMPLETED, go to step 9.
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