Honda ACCORD HYBRID 2005 Service Manual page 970

Automatic Transmission
D T C T r o u b l e s h o o t i n g ( c o n t ' d )
DTC P0777: A/T Clutch Pressure Control
Solenoid Valve B Stuck ON
NOTE: Record all freeze data and review General
Troubleshooting Information (see page 14-4) before
y o u troubleshoot.
1. W a r m up the engine to normal operating
temperature (the radiator f a n c o m e s 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 14-231) t h r o u g h 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 t r a n s m i s s i o n . •
NO—Replace the ATF (see step 5 on page 14-231),
then go to step 4.
4. Clear the DTC w i t h the HDS.
5. Test-drive the vehicle in the D position in all five
gears at speeds over 12 m p h (20 km/h) for more
than 20 seconds, then s l o w d o w n to a stop.
6. Retest-drive the vehicle in the D position in all five
gears at speeds over 12 m p h (20 km/h) for more
than 20 seconds, then s l o w d o w n to a stop.
7. M o n i t o r the OBD status for P0777 in the DTCs/
Freeze Data in A/T Mode M e n u for a pass/fail.
Does the result indicate a fail?
8. Clear the DTC w i t h the HDS.
9. Choose Clutch Pressure Control (Linear) Solenoid B
in Miscellaneous Test M e n u , and test the A/T clutch
pressure control solenoid valve B w i t h the HDS.
Is the system OK?
YES—Intermittent failure, the system is OK at this
t i m e . B
NO—Follow the instructions indicated on the HDS
by the tester result. Go t o step 10 if any part is
replaced.
10. Clear the DTC w i t h the HDS.
11. Test-drive the vehicle in the D position in all five
gears at speeds over 12 m p h (20 km/h) for more
than 20 seconds, then s l o w d o w n to a stop.
12. Retest-drive the vehicle in the D position in all five
gears at speeds over 12 m p h (20 km/h) for more
than 20 seconds, then s l o w d o w n to a stop.
13. Monitor the OBD status f o r P0777 in the DTCs/
Freeze Data in A/T M o d e M e n u for a pass/fail.
Does the result indicate a pass?
YES—The p r o b l e m has been corrected. •
NO—Return t o step 8 and recheck.
Y E S — G o t o step 8.
NO—Intermittent failure, the system is OK at this
t i m e . If the tester indicates NOT COMPLETE, return
to step 5 and recheck. •
14-134