2000 HONDA CR-V shaft

2nd cesr (8, E. E, or E positionl
1. Hydraulic pressure is applied to the 2nd clutch, which rotates together with the mainshaft, and the mainshaft 2nd gear
rotales.
2. Power is transmitted to the countershaft 2nd gear, which drives the countershaft
3. power is transmitted to the final drive gear, which drivesthefinal d riven gear and the transfer shaft drive gea r (4WD)
4. The transfer shaft drive gear drives the transfer shaft and the transfer driven gear shaft (4WD).
NOTE:
. Hvdraulic pressure is also applied to the 1st clutch, but since the rotation speed of 2nd gear exceeds that of lst gear.
power from 1st gear is cut off at the one-way clutch.
. The illustration shows the 4WD automatic transmission; power flow of the 2WD automatic transmission is identical
to the 4WD except for parts related to the transfer assembly.
CLUICHTOROUE
COUNTERSHAFTFINAL ORIVE GEAR
2NO GEAR
FINAL DRIVEN GEAF
TRANSFER SHAFT DBIVE GEAR {4WD}
TRANSFER SHAFT {4WDI(cont'd)
TMNSFER DRIVEN GEAR SHAFT (4WD)
14-11
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Description
Power Flow (cont'd)
3rd Gear {8. @, or @ position)
1. Hydraulic pressure is applied to the 3rd clutch. Power from the mainshaft 3rd gear is transmitted to the countershaft
3rd gear.
2. Power is transm ifted to the final d rive gear, wh ich d rives the f inal driven gear and the transfer shaft drive gear (4WD).
3, The transfer shaft drive gear drives the transter shaft and the transfer driven gear shaft (4WD).
NOTE:
. Hydraulic pressure is also applied to the 1st clutch, but since the rotation speed of 3rd gear exceeds that of 1st gear,
power from lst gear is cut off at the one-way clutch.
. The illustration shows the 4WD automatic transmission; Dower flow of the 2WD automatic transmission is identical
to the 4WD except for parts related to the transfer assembly.
CONVERTEF
MAINSHAFT 3RD GEAR
COUNTERSHAFT
COUNTERSHAFT3RO GEAR
3RD CLUTCH
DRIVEN GEAR
SHAFT DRIVE GEAR (4WO)
TRANSFER SHAFT (,lwDl
TRANSFER ORIVEN GEAN SHAFT (4WD)
14-12
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4th Goar (E or D positionl
1. Hydraulic pressure is applied to the 4th clutch, which rotates together with the mainshaft, and the mainshaft 4th gear
rotates,
2. Power is transmitted to the countershaft 4th gear, which drives the countershaft.
3. Power is transm ifted to the f inal d rive gear, which drives the fina I driven gear and the transfer shaft drive gear (4WD).
4. The transfer shaft drive gear drives the transfer shaft and the transfer driven gear shaft {4WD).
NOTE:
. Hydraulic pressure is also applied to the 1st clutch, but since the rotation speed of 4th gear exceeds that of 1st gear,
power from 1st gear is cut off at the one-way clutch,
. The illustration shows the 4WO automatic transmission; power flow of the 2WD automatic transmission is identical
to the 4WD except for parts related to the transfer assembly.
ilTH GEAR
TOROUE CONVERTER
.TH CLUTCH
COU'{TERSHAFT
REVERSE SELECTOR HUB
REVERSE SELECTOR
FINAL DRIVEN GEAR
TRANSFEB SHAFT DRIVE GEAB I'WD)
TNANSFER SHAFT I4WDI{cont'd)
14-13
TMNSFER DRIVEN GEAR SHAFT (4WDI
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Description
Power Flow (cont'dl
E position
1. Hydraulic pressure is switched by the manual valve to the servo valve, which movss the reverse shift fork to the
reverse position, The reverse shift fork engages with the reverse selector, the reverse selector hub, and the counter-
shaft reverse gear.
2. Hydraulic pressure is also applied to the 4th clutch. Power is transmitted from the mainshaft reverse gear via the
reverse idler gear to the countershaft reverse gear.
3. Rotational direction ofthe countershaft reverse gear ischanged viathe reverse idlergear.
4. Power is transmitted to the final drivegear,which drivesthefinal d riven gear a nd the transfer shaft drive gesr (4WD).
5. The transfer shaft drive gear drives the transfer shaft and the transfer driven gear shaft (4WD).
NOTE: The illustration shows the 4WD automatic.transmission; power flow of the 2wD automatic transmission is identical
to the 4WD except for parts related to the transfer assembly.
TOROUE CONVERTERMAINSHAFT REVERSE
COUNTERSHAFT
FINAL ORIVE
REVERSE IDLERGEAR
COUNTERSHAFTREVERSE GEAR
REVERSE SEITCTORHUBREVERSE SELECTOR
REVEBSC SHIFTFORK
FINAL OBIVEN GEAR
TRANSFER SHAFT DRIVE GEAR{4WD)
TRANSFER SHAFT {4WD)SERVO VAI-VE
14-14
TRANSFER DRIVEN GEAR SHAFT I4WD}
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Electronic Control System
The electronic control svstem consists of a Powertrain Control Module (PCM), sensors, a linear solenoid, and four solenoid
valves. Shifting and lock-up are electronically controlled for comfortable driving under all conditions. The PCM is located
below the dashboard, under the kick panel on the passenger's side.
'97 - 98 Mod€ls
PGM.FIControl Sy3t6m
Throttl€ Poshion SensorSignalVehicle Sp.ed SensorSignal
Engino Coolant TamperetureService Check connectorSonsor Signrl
A/T Control Sy3tem
INTERLOCK
Shift Cont.ol
Shift ControlSolenoid valve ACONTROL UNITr
RShift ControlSolenoid Valve B
N
Linear SolenoidDr
Lock-up Control
Ds
Lock-up ControlSolenoid Valve A2
Lock-up ConirolSol6noid valvo B1
M.inshaft Spoed SensorSignel-D! Indicator Light
Count€rahaft Speedsensor SignelSelt-Oiagnosb signel
I
Sell-DiagnosisFunction
l-
{cont'd)
14-15
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Description
PCM
PGM.FIControl System
Throttle Position SensorSignelVehicle Speed SensorSignal
Engin€ Coolsnt TomperatureSen30r SignalService Ch€ck Connectol
A/T Control Svstem
INTERLOCK
Shift Control
Shift ConlrolSolenoid Valve ACONTROL UNITr
RShift ControlSolenoid Valve B
N
Linear SolenoidD
Lock-up Control
2
Lock-up ControlSolenoid valve A1
Lock-up ControlSolenoid Valve BOver-DriveSwitch Signal
Mainshaft Speed SensorSignalE Indicator Light
Countershaft SpeedSensor SigntlSelt-Oiagnosis SigndSelf-DiagnosisFunc{ion
O/D OFFIndicetor Light
Electronic Gontrol System (cont'd)
'99 - 00 Models
14-16
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Regulator Valve
The regulator valve maintains constant hydraulic pressure from the ATF pump to the hydraullc control system, while also
furnishing fluid to the lubricating system and torque converter. Fluid from the ATF pump flows through B and B'. Fluid
entering from B flows through the valve orifice to the A cavity. This pressure of the A cavity pushes the regulator valve to
the right side. and this movement of the regulator valve uncovers the fluid port to the torque converter and the relief
valve. The fluid flows out to the torque converter and the relief valve, and the regulator valve moves to the left side.
According to the level of the hydraulic pressure through B, the position of the regulator valve changes and the amount of
fluid from B,through the torque converter also changes. This operation is continued, maintaining the line pressure.
NOTE; When used, "|eft" or "right" indicates direction on the illustration below.
ENGINE NOT RUNNING
STATOR SHAFT ABM
Stator Reaction Hydraulic Pressurs Control
Increases in hydraulic pressure according to torque are performed by the regulator valve using stator torque reaction. The
stator shaft is splined to the stator in the torque converter, and its arm end contacts the regulator spring cap When the
vehicle is accelerating or climbing (Torque Converter Range), stator torque reaction acts on the stator shaft, and the stator
arm pushes the regulator spring cap in the direction of the arrow in proportion to the reaction. The stator reaction spring
compresses, and the regulator valve moves to increase the line pressure. Line pressure reaches its maximum when the
stator torque reaction reaches its maximum.
TOROUE CONVERTER
REGULATON VALVE
STATOR REACTION
TOR SPRING CAP
(cont'd)
ENGINE RUNNING
To TOROUE CONVERTER Lubtication
STATONSTASHAFTATOF SHAFT ARM
14-27
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Description
Hydraulic Control (cont'd)
Servo Body
The servo body is located on the secondary valve body. The servo body contains the servo valve (which is integrated withthe reverse shift fork), and the accumulators.
2ND ACCUMULATOR
3RD SUBACCUMULATOR
SERVO BODY
1ST ACCUMULATOR
SERVO VALVE/SHIFTFORK SHAFT
14-28
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