speed sensor TOYOTA SEQUOIA 2001 Service Repair Manual

F09750
DLC3
Ts
CG
± INTRODUCTIONFOR ALL OF VEHICLES
IN±17
17 Author: Date:
2005 SEQUOIA (RM1146U)
(i) AIRBAG SENSOR ASSEMBLY
(1) Never reuse the airbag sensor assembly involved
in a collision when the SRS has deployed.
(2) The connectors to the airbag sensor assembly
should be connected or disconnected with the sen-
sor mounted on the floor. If the connectors are con-
nected or disconnected while the airbag sensor as-
sembly is not mounted to the floor, it could cause
undesired ignition of the supplemental restraint sys-
tem.
(3) Work must be started after 90 seconds from the
time the ignition switch is turned to the ºLOCKº posi-
tion and the negative (±) terminal cable is discon-
nected from the battery, even if only loosening the
set bolts of the airbag sensor assembly.
(j) WIRE HARNESS AND CONNECTOR
The SRS wire harness is integrated with the cowl wire har-
ness assembly and floor wire harness assembly. All the
connectors for the system are also a standard yellow col-
or. If the SRS wire harness becomes disconnected or the
connector becomes broken due to an accident, etc., re-
pair or replace it.
2. FOR VEHICLES EQUIPPED WITH VEHICLE SKID
CONTROL (VSC) SYSTEM
NOTICE:

Even if TRAC is initially OFF, it automatically be-
comes ON when the vehicle speed becomes about 30
km/h (19 mh) or more. Therefore, please drive in the
test mode to avoid dangerous situations caused by
the TRAC control.

VSC/ABS may be failed when the vehicle is driven on
the two±wheel chassis dynamo. Therefore, after driv-
ing on the chassis dynamo, please clear DTC before
normal driving. Please refer to the page DI±899 for the
method of clearing DTC.

Fasten the vehicle with the lock chain.
(a) Confirm VSC system is OFF.
(1) Turn the ignition switch OFF.
(2) Using SST, connect terminals Ts and CG of DLC3.
SST 09843±18040
(3) Start the engine.

B04770
IN±18
± INTRODUCTIONFOR ALL OF VEHICLES
18 Author: Date:
2005 SEQUOIA (RM1146U)
(4) Check that the VSC TRAC warning light blinks.
(5) After the measurement, remove the SST and re-
start the engine. At this time, make sure that the
VSC TRAC warning light is off.
(b) Notice in VSC operation.
(1) Removal and reinstallation of VSC±related compo-
nents may cause misadjustment of them. Do not re-
move or reinstall them unless necessary.
(2) When conducting VSC±related operations, do not
fail to make sure that the preparation and the finish-
ing of the operation are all performed in accordance
with the direction in this text.
3. FOR VEHICLES EQUIPPED WITH A CATALYTIC CONVERTER
CAUTION:
If a large amount of unburned gasoline flows into the converter, it may overheat and create a fire haz-
ard. To prevent this, observe the following precautions and explain them to your customer.
(a) Use only unleaded gasoline.
(b) Avoid prolonged idling.
Avoid running the engine at idle speed for more than 20 minutes.
(c) Avoid spark jump test.
(1) Perform spark jump test only when absolutely necessary. Perform this test as rapidly as possible.
(2) While testing, never race the engine.
(d) Avoid prolonged engine compression measurement.
Engine compression tests must be done as rapidly as possible.
(e) Do not run engine when fuel tank is nearly empty.
This may cause the engine to misfire and create an extra load on the converter.
(f) Avoid coasting with ignition turned off.
(g) Do not dispose of used catalyst along with parts contaminated with gasoline or oil.
4. IF VEHICLE IS EQUIPPED WITH MOBILE COMMUNICATION SYSTEM
For vehicles with mobile communication systems such as two±way radios and cellular telephones, observe
the following precautions.
(1) Install the antenna as far as possible away from the ECU and sensors of the vehicle's electronic
system.
(2) Install the antenna feeder at least 20 cm (7.87 in.) away from the ECU and sensors of the ve-
hicle's electronic systems. For details about ECU and sensor locations, refer to the section on
the applicable component.
(3) Do not wind the antenna feeder together with the other wiring as much as possible, also avoid
running the antenna feeder parallel with other wire harness.
(4) Check that the antenna and feeder are correctly adjusted.
(5) Do not install powerful mobile communication system.

V08423 Knock Sensor 1
GRECM
KNK
E1 12
E6
WIRING DIAGRAM
Wiring Diagram
This shows a wiring diagram of the circuit.
Use this diagram together with ELECTRICAL
WIRING DIAGRAM to thoroughly understand the
circuit.
Wire colors are indicated by an alphabetical code.
B = Black, L = Blue, R = Red, BR = Brown,
LG = Light Green, V = Violet, G = Green,
O = Orange, W = White, GR = Gray, P = Pink,
Y = Yellow, SB = Sky Blue
The first letter indicates the basic wire color and
the second letter indicates the color of the stripe.
DTC P0325Knock Sensor 1 Circuit Malfunction
CIRCUIT DESCRIPTION
Knock sensor is fitted to the cylinder block to detect engine knocking. This sensor contains a piezoelectric element which
generates a voltage when it becomes deformed, which occurs when the cylinder block vibrates due to knocking. If engine
knocking occurs, ignition timing is retarded to suppress it.
DTC No. DTC Detecting Condition Trouble Area
P0325No knock sensor 1 signal to ECM with engine speed,
1,200 rpm or more. Open or short in knock sensor1 circuit
 Knock sensor 1 (looseness)
 ECM
If the ECM detects the above diagnosis conditions, it operates the fall safe function in which the corrective retard angle
value is set to the maximum value.
 Diagnostic Trouble Code No. and Detection Item
 Circuit Description
The major role and operation, etc. of the circuit
and its component parts are explained.
 Indicates the diagnostic trouble code, diagnostic
trouble code set parameter and suspect area of
the problem.

± INTRODUCTIONHOW TO TROUBLESHOOT ECU CONTROLLED
SYSTEMSIN±33
33 Author: Date:
2005 SEQUOIA (RM1146U)
6. CIRCUIT INSPECTION
How to read and use each page is shown below.

IN±42
± INTRODUCTIONTERMS
42 Author: Date:
2005 SEQUOIA (RM1146U) H/B
Hatchback
H±FUSEHigh Current Fuse
HIHigh
HIDHigh Intensity Discharge (Head Lamp)
HSGHousing
HTHard Top
HWSHeated Windshield System
ICIntegrated Circuit
IDIIndirect Diesel Injection
IFSIndependent Front Suspension
IGIgnition
IIAIntegrated Ignition Assembly
INIntake (Manifold, Valve)
INTIntermittent
I/PInstrument Panel
IRSIndependent Rear Suspension
ISCIdle Speed Control
J/BJunction Block
J/CJunction Connector
KDKick±Down
LANLocal Area Network
LBLiftback
LCDLiquid Crystal Display
LEDLight Emitting Diode
LHLeft±Hand
LHDLeft±Hand Drive
L/H/WLength, Height, Width
LLCLong±Life Coolant
LNGLiquified Natural Gas
LOLow
LPGLiquified Petroleum Gas
LSDLimited Slip Differential
LSP & PVLoad Sensing Proportioning And Bypass Valve
LSPVLoad Sensing Proportioning Valve
MAPManifold Absolute Pressure
MAX.Maximum
MICMicrophone
MILMalfunction Indicator Lamp
MIN.Minimum
MG1Motor Generator No.1
MG2Motor Generator No.2
MPMultipurpose
MPIMultipoint Electronic Injection
MPXMultiplex Communication System
M/T, MTMManual Transmission (Transaxle)
MTMount
MTGMounting
NNeutral
NANatural Aspiration
NO.Number
O2SOxygen Sensor
O/DOverdrive

IN±46
± INTRODUCTIONTERMS
46 Author: Date:
2005 SEQUOIA (RM1146U) IAC
Idle Air ControlIdle Speed Control (ISC)
IATIntake Air TemperatureIntake or Inlet Air Temperature
ICMIgnition Control Module±
IFIIndirect Fuel InjectionIndirect Injection (IDL)
IFSInertia Fuel±Shutoff±
ISCIdle Speed Control±
KSKnock SensorKnock Sensor
MAFMass AirflowAir Flow Meter
MAPManifold Absolute PressureManifold Pressure Intake Vacuum
MCMixture Control
Electric Bleed Air Control Valve (EBCV)
Mixture Control Valve (MCV)
Electric Air Control Valve (EACV)
MDPManifold Differential Pressure±
MFIMultiport Fuel InjectionElectronic Fuel Injection (EFI)
MILMalfunction Indicator LampCheck Engine Lamp
MSTManifold Surface Temperature±
MVZManifold Vacuum Zone±
NVRAMNon±Volatile Random Access Memory±
O2SOxygen SensorOxygen Sensor, O2 Sensor (O2S)
OBDOn±Board DiagnosticOn±Board Diagnostic System (OBD)
OCOxidation Catalytic ConverterOxidation Catalyst Convert (OC), CCo
OLOpen LoopOpen Loop
PAIRPulsed Secondary Air InjectionAir Suction (AS)
PCMPowertrain Control Module±
PNPPark/Neutral Position±
PROMProgrammable Read Only Memory±
PSPPower Steering Pressure±
PTOXPeriodic Trap OxidizerDiesel Particulate Filter (DPF)
Diesel Particulate Trap (DPT)
RAMRandom Access MemoryRandom Access Memory (RAM)
RMRelay Module±
ROMRead Only MemoryRead Only Memory (ROM)
RPMEngine SpeedEngine Speed
SCSuperchargerSupercharger
SCBSupercharger BypassE±ABV
SFISequential Multiport Fuel InjectionElectronic Fuel Injection (EFI), Sequential Injection
SPLSmoke Puff Limiter±
SRIService Reminder Indicator±
SRTSystem Readiness Test±
STScan Tool±
TBThrottle BodyThrottle Body
TBIThrottle Body Fuel InjectionSingle Point Injection
Central Fuel Injection (Ci)
TCTurbochargerTurbocharger
TCCTorque Converter ClutchTorque Converter
TCMTransmission Control ModuleTransmission ECU, ECT ECU

± INTRODUCTIONTERMS
IN±47
47 Author: Date:
2005 SEQUOIA (RM1146U) TP
Throttle PositionThrottle Position
TRTransmission Range±
TVVThermal Vacuum ValveBimetallic Vacuum Switching Valve (BVSV)
Thermostatic Vacuum Switching Valve (TVSV)
TWCThree±Way Catalytic Converter
Three±Way Catalytic (TWC)
Manifold Converter
CC
RO
TWC+OCThree±Way + Oxidation Catalytic ConverterCCR + CCo
VA FVolume AirflowAir Flow Meter
VRVoltage RegulatorVoltage Regulator
VSSVehicle Speed SensorVehicle Speed Sensor
WOTWide Open ThrottleFull Throttle
WU±OCWarm Up Oxidation Catalytic Converter±
WU±TWCWarm Up Three±Way Catalytic Converter±
3GRThird Gear±
4GRFourth Gear±

SS1MA±01
± SERVICE SPECIFICATIONSAUTOMATIC TRANSMISSION (A750E, A750F)
SS±25
167 Author: Date:
2005 SEQUOIA (RM1146U)
TORQUE SPECIFICATION
Part tightenedN´mkgf´cmft´lbf
Drain plug x Oil pan2020415
Overflow plug x Oil pan2020415
Refill plug x Transmission case3940029
No.1 vehicle speed sensor A750E
A750F9.8
11.5100
11 786 in.Vlbf
8
Speed sensor NT x Automatic transmission5.45548 in.Vlbf
Speed sensor SP2 x Automatic transmission5.45548 in.Vlbf
Transmission wire set bolt x Automatic transmission5.45548 in.Vlbf
Transmission wire clamp x Valve body A
B11
1011 2
1008
7
Oil pan x Transmission case4.44539 in.Vlbf
Park/neutral position switch Bolt
Nut13
6.9130
7010
61 in.Vlbf
Shift solenoid valve S1 x Valve body6.46556 in.Vlbf
Shift solenoid valve S2 x Valve body101027
Shift solenoid valve SR x Valve body6.46557 in.Vlbf
Shift solenoid valve SLU, SL2 x Valve body6.46557 in.Vlbf
Shift solenoid valve SLT, SL1 x Valve body6.46557 in.Vlbf
Valve body x Transmission case1111 28
Oil strainer x Valve body101007
Parking lock pawl bracket x Transmission case7.47565 in.´lbf
Oil cooler x Body1111 08
Transmission oil cooler bracket x Oil cooler4.95043 in.´lbf
Oil cooler tube clamp x Body5.05048 in.´lbf
Shift lever x Shift lever housing1818013
Shift lever housing x Steering column assemby121209
Parking lock cable No. 1 x Shift lever housing2.92925 in.´lbf
Parking lock cable No. 2 x Column upper bracket2.22319 in.´lbf
Parking lock cable housing x Steering column assembly10.511 08
Front suspension member bracket x Body3333624
Heat insulator1616412
Shift control cable x Transmission14.514811
Shift control cable bracket x Transmission19.519914
Oil cooler pipe clamp x Transmission121229
Oil cooler pipe x Transmission3434625
Stabilizer bar3737727
Rear end plate x Transmission1818513
Torque converter clutch x Drive plate4849035
Engine rear mounting insulator x Crossmember1818513
Crossmember x Frame7273453
Engine rear mounting insulator x Extension housing6566048
Automatic transmission x Engine 17 mm head
14 mm head71
37720
38053
27

SS1KF±04
± SERVICE SPECIFICATIONSSUSPENSION AND AXLE
SS±39
181 Author: Date:
2005 SEQUOIA (RM1146U)
TORQUE SPECIFICATION
Part tightenedN´mkgf´cmft´lbf
TIRE PRESSURE MONITOR RECEIVER
Tire pressure monitor receiver set bolt7.57666 in.´lbf
TIRE PRESSURE MONITOR VALVE
Tire pressure monitor valve set nut4.04135 in.´lbf
FRONT AXLE
Hub nut11 01,15083
Tie rod end lock nut5556041
Steering knuckle x Brake caliper8082059
Steering knuckle x Dust cover1231,25090
Drive shaft lock nut1818513
Upper suspension arm x Upper ball joint2352,400173
Brake line clamp x Steering knuckle1051,10077
ABS speed sensor x Steering knuckle2828521
ABS speed sensor wire harness clamp x Steering knuckle8.08271 in.´lbf
ABS speed sensor wire harness clamp x Upper suspension arm8.08271 in.´lbf
FRONT DIFFERENTIAL
Drive pinion x companion flangeSee page SA±43
Differential front mounting cushion x Chassis frame1371,400101
Differential rear mounting cushion x Chassis frame8789064
Differential front mounting cushion x Differential1571,60011 6
Differential rear mounting cushion x Differential1081,10080
Ring gear x Differential case9798571
Differential carrier x Differential tube7880058
Differential carrier x Side bearing retainer6970051
Differential x Front propeller shaft7475054
A.D.D. clutch case x Differential7880058
A.D.D. clutch case x Differential tube7880058
A.D.D. actuator x A.D.D. clutch case2121015
Tube with wire harness assembly clamp x Differential carrier131309
Drain plug6566048
Filler plug3940029
FRONT SUSPENSION
Suspension support x Chassis frame6465047
Piston rod x Suspension support2525018
Lower suspension arm x Shock absorber1351,400100
Upper suspension arm x Chassis frame981,00072
Lower suspension arm x Chassis frame1301,32596
Lower suspension arm x Lower ball joint1591,62111 7
Power steering gear Left side nut
Center bolt
Right side bolt and nut130
165
1651,350
1,700
1,70096
122
122
Tie rod end x Lower ball joint9193067
No. 1, No. 2 spring bumper31 (23)315 (235)23 (17)
Lower suspension arm x Stabilizer bar link6970051

SS±40
± SERVICE SPECIFICATIONSSUSPENSION AND AXLE
182 Author: Date:
2005 SEQUOIA (RM1146U) Stabilizer bar x Stabilizer bar link
1919014
Stabilizer bar bracket x Chassis frame3737727
( ) For use with SST
Part tightenedN´mkgf´cmft´lbf
REAR AXLE
Hub nut11 01,12283
Backing plate x Brake caliper1051,07077
Parking brake cable x Backing plate8.08271 in.´lbf
Axle housing x Backing plate1221,24490
Brake line union nut15.515811
ABS speed sensor x Axle housing8.08271 in.´lbf
REAR DIFFERENTIAL
Differential x Propeller shaft7475056
Drive pinion x Companion flangeSee page SA±113
Companion flange x Stud bolt101027.4
Differential carrier x Axle housing7374054
Differential carrier x Bearing cap11 31,15083
Differential case x Ring gear1251,27092
Drain plug4950036
Filler plug4950036
REAR SUSPENSION
Shock absorber x Chassis frame5859143
Shock absorber x Axle housing8788764
REAR LATERAL CONTROL ROD
Lateral control rod x Chassis frame1401,428103
Lateral control rod x Axle housing1301,32696
REAR UPPER AND LOWER CONTROL ARM
Upper control arm x Chassis frame1401,428103
Upper control arm x Axle housing1401,428103
Upper control arm x Brake line bracket2828621
Lower control arm x Chassis frame1301,32696
Lower control arm x Axle housing1301,32696
Lower control arm x Parking brake cable bracket2626519
REAR STABILIZER BAR
Bracket x Axle housing3737727
Stabilizer bar link x Chassis frame6970451
Stabilizer bar x Stabilizer bar link6970451
HEIGHT CONTROL COMPRESSOR AND DRYER
Height control compressor x Bracket2930021
Height control filter x Height control compressor6.46557 in.´lbf
Bracket x Body2930021
HEIGHT CONTROL VALVE
Height control set bolt2930021

SS085±04
± SERVICE SPECIFICATIONSBRAKE
SS±43
185 Author: Date:
2005 SEQUOIA (RM1146U)
TORQUE SPECIFICATION
Part tightenedN´mkgf´cmft´lbf
Bleeder plug1111 08
Master cylinder x Reservoir1.51513 in.´lbf
Master cylinder x Brake booster2525018
Master cylinder x Master cylinder pressure sensor2525018
Brake booster clevis lock nut2525018
Brake booster x Brake booster bracket2525018
Brake booster x Pedal bracket131309
Brake pedal x Pedal bracket3435025
Stop light switch lock nut2526019
Parking brake pedal assembly x Pedal bracket3232023
Parking brake pedal assembly x Body131309
Brake line union nut 10 mm1515511
12 mm19.519514
Front disc brake caliper x Steering knuckle1231,25090
Rear disc brake caliper installation bolt8890065
Rear disc brake caliper x Flexible hose3132023
Rear disc brake torque plate x Backing plate1051,07077
Actuator bracket x Body1111 28
Actuator bracket x Actuator assembly9.59784 in.´lbf
Actuator x Skid control ECU1.81816 in.´lbf
Speed sensor installation bolt8.08271 in.´lbf
Front speed sensor harness x Steering knuckle8.08271 in.´lbf
Front speed sensor harness x Upper arm8.08271 in.´lbf
Front speed sensor harness x Coil support8.08271 in.´lbf