Honda ACCORD HYBRID 2005 Service Manual page 909

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Full Lock-up
W h e n the vehicle speed further increases, the PCM controls A/T clutch pressure control solenoid valve C to increase
A/T clutch pressure control solenoid valve C pressure (58). A/T clutch pressure control solenoid valve C pressure (58)
is applied to the lock-up control valve and lock-up t i m i n g valve, and the lock-up control valve and lock-up t i m i n g valve
are m o v e d to the left side. Torque converter pressure (94) f r o m the left side of the torque converter releases at the
lock-up control valve, and lock-up t i m i n g valve uncovers the port of torque converter pressure (91) leading to the right
side of the torque converter. Torque converter back pressure is released fully, and torque converter clutch is engaged
fully.
NOTE: W h e n used, " l e f t " or " r i g h t " indicates direction on the hydraulic circuit.
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