1997 HONDA CIVIC Workshop Manual

Page 697 of 2189

HONDA CIVIC 1997 6.G Workshop Manual Hydraulic Control
The hydraulic control system is controlled by the ATF pump, valves, accumulators, and electronically controlled solenoids
TheATFpUmpisdrivenbysp||nesontheendofthetorqueconverterWhic

Page 698 of 2189

HONDA CIVIC 1997 6.G Workshop Manual Description
Hydraulic Control (contdl
Msin Valve Body
The main valve body houses the manual valve, the 1-2 shift valve, the 2nd orifice control valve, the cpB valve, the modu-lator valve the servo c

Page 699 of 2189

HONDA CIVIC 1997 6.G Workshop Manual \
Regulator Valve BodY
The regulator valve body is located on the main valve body. The regulator valve body consists of the regulator valve the
torque-converter check valve, the cooler relief valve,

Page 700 of 2189

HONDA CIVIC 1997 6.G Workshop Manual Description
Hydraulic Control (contdl
Regulator Valve
The regulator valve maintains a constant hydraulic pressure from the ATF pump to the hydraulic control system, whitealso furnishing fluid to the

Page 701 of 2189

HONDA CIVIC 1997 6.G Workshop Manual \
Servo Body
The servo body is located on the secondary valve body. The servo body contains the servo valve which is integrated with
the reverse shift fork, and the accumulators
2NO ACCUMULA
SERVO BOD

Page 702 of 2189

HONDA CIVIC 1997 6.G Workshop Manual Description
Hydraulic Flow
General Chart ol Hydraulic PressureATF Pump- pegurator varve -_l- Line pressure -f- Modurator pressure - Linear sorenoid
| -Clutch pressure
-Torque Converter pressure
t-Lubr

Page 703 of 2189

HONDA CIVIC 1997 6.G Workshop Manual \
@ Position
As the engine turns, the ATF pump also starts to operate, Automatic transmission fluid (ATF) is drawn from (99) and dis-
charged into (1). Then, ATF flowing from the ATF pump becomes the

Page 704 of 2189

HONDA CIVIC 1997 6.G Workshop Manual Description
Hydraulic Flow (contd)
L?j Position
The line pressure (1) flows to the manual valve and the modulator valve. The line pressure (1) changes the trne pressure(4) and (25) at the manual valv