Honda Accord 2008 Manual page 987

07/11/02 08:49:04 61TA0000_140_0144
Automatic Transmission
DTC Troubleshooting (cont'd)
DTC P0776: A/T Clutch Pressure Control
Solenoid Valve B Stuck OFF
DTC P0777: A/T Clutch Pressure Control
Solenoid Valve B Stuck ON
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 13.
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. 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 P0776 or P0777 in the
DTCs MENU with the HDS.
Does the HDS indicate F AILED?
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.
14-142
9. Select Clutch Pressure Control (Linear) Solenoid
Valve B in the Miscellaneous Test Menu, and test
A/T clutch pressure control solenoid valve B 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 10. If
any part was replaced, go to step 11.
10. Inspect A/T clutch pressure control solenoid valve
B (see page 14-231).
Does A/ T clutch pressure control solenoid valve B
work properly?
−
YES Repair the hydraulic system related to shift
valve B, or replace the transmission, then go to
step 13.
NO − Replace A/T clutch pressure control solenoid
valve B (see page 14-235), then go to step 11.
11. Turn the ignition switch to ON (II).
12. Clear the DTC with the HDS.
13. Test-drive the vehicle with the shift lever in D, and
let the transmission shift through all five gears.
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