To y o t a
U660-E
INDEX
Introduction....................................................................................................... 2
Component Application Chart........................................................................... 4
Sprag Rotation................................................................................................... 5
Pressure Testing................................................................................................. 6
Fluid Specification............................................................................................. 8
Transmission Range Sensor............................................................................... 10
TCM Location................................................................................................... 13
Valve Body To Case Attaching Bolt Identification..............................................14
Internal Wiring Harness..................................................................................... 15
Solenoid Identification And Location................................................................ 17
Solenoid Operation............................................................................................ 18
Failsafe Strategies.............................................................................................. 20
Fluid Pressure Switch.........................................................................................22
Internal Speed Sensors....................................................................................... 24
ECM/PCM Connector Views............................................................................. 26
Wiring Diagram................................................................................................. 27
Valve Body......................................................................................................... 28
Case Passage Identification................................................................................34
Diagnostic Trouble Codes.................................................................................. 35
Valve Body Mapping Text..................................................................................36
VALVE BODY MAPPING:
Valve Body Mapping Oil Circuit Diagram
OIL CIRCUIT DIAGRAMS:
Park
Reverse
Reverse Inhibit
Neutral
Drive 1st Gear
Drive 2nd Gear
Drive 2nd Flex TCC
Drive 3rd Gear
Drive 4th Gear
Drive 5th Gear
Drive 5-4 Kickdown
Drive 6th Gear TCC OFF
Drive 6th Gear TCC ON
Manual 1st
AUTOMATIC TRANSMISSION SERVICE GROUP
18635 S.W. 107 AVENUE
CUTLER BAY, FLORIDA 33157
(305) 670-4161
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Copyright © ATSG 2009
WWW.ATSG.COM
1st Printing
November 2011
Introduction
The U660-E transmission a front wheel drive 6 speed fully automatic electronically controlled
transmission used in Toyota and Lexus vehicles worldwide. The TCM is mounted on the
transmission facing the front of the vehicle and plugs directly in to the transmission case
connector.
This manual provides a component and solenoid application chart, sprag rotation, an OBD2
Code list, detailed information on the valve body, valve body mapping for circuit tracing as well
as a complete set of oil schematics.
No part of any ATSG publication may be reproduced, stored in any retrieval system or transmitted in any form or
by any means, including but not limited to electronic, mechanical, photocopying, recording or otherwise,
without written permission of Automatic Transmission Service Group. This includes all text illustrations,
tables and charts.
The information and part numbers contained in this booklet have
been carefully compiled from industry sources known for their
reliability, but ATSG does not guarantee its accuracy.
Copyright © ATSG 2012
WAYNE COLONNA
JIM DIAL
TECHNICAL CONSULTANT
TECHNICAL CONSULTANT
PETER LUBAN
DALE ENGLAND
TECHNICAL CONSULTANT
TECHNICAL CONSULTANT
GERALD CAMPBELL
ED KRUSE
TECHNICAL CONSULTANT
TECHNICAL CONSULTANT
GREG CATANZARO
GREGORY LIPNICK
TECHNICAL CONSULTANT
TECHNICAL CONSULTANT
JON GLATSTEIN
DAVID CHALKER
TECHNICAL CONSULTANT
TECHNICAL CONSULTANT
AUTOMATIC TRANSMISSION SERVICE GROUP
18635 SW 107TH AVENUE
CUTLER BAY, FLORIDA 33157
(305) 670-4161
INDEX
Technical Service Information
TOYOTA U660E
Model Application
Taken from the 2011 Automatic Transmission
®
Guide Global Edition by TRANStec :
Toyota
Alphard
Aurion
Avalon
Avensis
Blade
Camry
Estima
Highlander
Mark X Z10
RAV 4
Sienna
Vanguard
Venza
Verso
2008-2011
2006-2011
2008-2011
2008-2011
2008-2011
2006-2011
2006-2011
2009-2011
2007-2011
2008-2011
2009-2011
2011
2008-2011
2009-2011
Lexus
ES350
RX350
2006-2011
2008-2011
Specifications
Gear Ratios for a 2007 Camry:
1st...................... 3.300
2nd..................... 1.900
3rd......................1.420
4th...................... 1.000
5th...................... 0.713
6th...................... 0.608
Reverse.............. 4.148
Differential
Gear Ratio......... 3.685
(Counter gear included)
Two Driving Clutches : C1 & C2
Three Brake Clutches : B1, B2 & B3
One 1-way Clutch: F1
1 Ravigneaux Planetary Gear Set
Font Sun Gear: 30 teeth
Rear Sun Gear: 27 teeth
Long Pinion Gear: 20 teeth
Short Pinion Gear: 22 teeth
Ring Gear: 69 teeth
U/D Planetary Gear Set
Sun Gear: 66 teeth
Pinion Gear: 21 teeth
Ring Gear: 110 teeth
Fluid Capacity - Liters (US qts, Imp. qts)
6.57 (6.94, 5.78) Includes Differential
Fluid Type: Toyota Genuine ATF WS
Counter Gear
Drive gear: 44 teeth
Driven Gear: 47 teeth
Weight: 94.4kg - 208.1lbs - Includes fluid
filled to
maximum level
Copyright © 2012 ATSG
Figure 1
AUTOMATIC TRANSMISSION SERVICE GROUP
3
INDEX
Technical Service Information
TOYOTA U660E
COMPONENT APPLICATION CHART
C1 C2 F1 B2
B3
Shift
Lever
Gear
P
Park
R
Reverse
N
Neutral
D, S6
1st
X
2nd
X
3rd
X
4th
X
S1
C1
C2
B2
B3
X
X*
F1
X
X
X
X
5th
X
6th
X
1st/Manual
B1
B1
X
X
X
X
X
* - For safety reasons, the computer can inhibit a reverse engagement by
energizing the SL solenoid which will release the B3 clutch.
Copyright © 2012 ATSG
Figure 2
4
AUTOMATIC TRANSMISSION SERVICE GROUP
Technical Service Information
TOYOTA U660E
SPRAG ROTATION
Inner race freewheels
counter-clockwise or,
"Locks to the clock"
(as viewed from the rear
cover end of transmission)
Hold Outer Race
Anti-rattle clip located
on smallest lug
Copyright © 2012 ATSG
Figure 3
AUTOMATIC TRANSMISSION SERVICE GROUP
5
INDEX
Technical Service Information
TOYOTA U660E
PRESSURE TAP IDENTIFICATION
Vent
Cooler Return
To Cooler
Line Pressure
"WS" Fluid
Fill Port
WS
Rear Lube
C1 Clutch
C2 Clutch
Fluid Level
Check (Overflow)
Pipe Plug
Copyright © 2012 ATSG
Figure 4
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AUTOMATIC TRANSMISSION SERVICE GROUP