2007 TOYOTA SIENNA brake sensor

SS–30SERVICE SPECIFICATIONS – U151E AUTOMATIC TRANSAXLE
SS
TORQUE SPECIFICATIONS
Part Tightened N*m kgf*cm ft*lbf
Park/neutral position switch Nut 6.9 70 61 in.*lbf
Bolt 5.4 55 48 in.*lbf
Control shaft lever x Control shaft 13 130 9
Shift control cable x Control shaft lever 13 130 9
Transaxle housing x Engine block A bolt 64 653 47
B bolt 46 470 34
C bolt 43 439 32
Torque converter clutch x Drive plate 41 413 35
Flywheel housing under cover x Automatic transaxle 7.8 80 69 in.*lbf
Engine mounting bracket FR x Transaxle 64 653 47
Oil filler tube x Transaxle5.5 56 49 in.*lbf
Control cable bracket No. 1 x Transaxle 12 122 9
Control cable bracket No. 2 x Transaxle 12 122 9
Oil cooler tube clamp x Control cable bracket 5.5 56 49 in.*lbf
Oil cooler inlet tube x Transaxle27 275 20
Oil cooler outlet tube x Transaxle 27 275 20
Starter x Transaxle37 377 27
Starter wire x Starter9.8 100 87 in.*lbf
Wire harness x Transaxle13 133 10
Wire harness clamp x Transaxle8.4 86 74 in.*lbf
Speed sensor (NC) x Transaxle11 11 5 8
Speed sensor (NT) x Transaxle11 11 2 8
Air cleaner x Air cleaner hose5.0 51 44 in.*lbf
Drain plug x Oil pan49 500 36
Transmission wire x Transaxle5.4 55 48 in.*lbf
ATF temperature sensor x Valve body 6.6 67 58 in.*lbf
Oil pan x Transaxle7.8 80 69 in.*lbf
Solenoid valve x Valve body A B bolt 11 110 8
C D bolt 6.6 67 58 in.*lbf
Valve body x Transaxle11 11 0 8
Oil strainer x Valve body11 11 0 8
Floor shift assembly x Body21 214 15
Control cable x Body12 122 9
Engine mount bracket RR x Transfer stiffener plate RH 34 350 25
Oil cooler assembly x Body Nut
7.0 71 62 in.*lbf
bolt
Differential gear lube apply tube x Transaxle housing 9.8 100 87 in.*lbf
Front planetary gear lock nut
210 to 3502,141 to
3,569155 to 258
Brake apply tube clamp x Transaxle case 5.4 55 48 in.*lbf
Transaxle case No. 1 plug x Transaxle rear cover 7.4 75 65 in.*lbf
Transaxle rear cover x Transaxle case Bolt A 19 190 14
Other bolt 25 250 18
Pawl shaft clamp x Transaxle case 9.8 100 87 in.*lbf
Oil pump assembly x Transaxle case 22 226 16

IN–38INTRODUCTION – HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS
IN
HINT:
• In troubleshooting, confirm that the problem symptoms
have been accurately identified. Preconceptions should be
discarded in order to make an accurate judgment. To
clearly understand what the problem symptoms are, it is
extremely important to ask the customer about the
problem and the conditions at the time the malfunction
occurred.
• Gather as much information as possible for reference.
Past problems that seem unrelated may also help in some
cases.
• The following 5 items are important points in the problem
analysis:
3. SYMPTOM CONFIRMATION AND DIAGNOSTIC
TROUBLE CODE
HINT:
The diagnostic system in the SIENNA has various
functions.
• The first function is the Diagnostic Trouble Code
(DTC) check. A DTC is a code stored in the ECU
memory whenever a malfunction in the signal circuits
to the ECU occurs. In a DTC check, a previous
malfunction's DTC can be checked by a technician
during troubleshooting.
• Another function is the Input Signal Check, which
checks if the signals from various switches are sent to
the ECU correctly.
By using these functions, the problem areas can be
narrowed down and troubleshooting is more effective.
Diagnostic functions are incorporated in the following
system in the SIENNA.
What Vehicle model, system name
When Date, time, occurrence frequency
Where Road conditions
Under what conditions? Running conditions, driving conditions, weather conditions
How did it happen? Problem symptoms
SystemSYMPTOM CONFIRMATION AND DIAGNOSTIC TROUBLE CODE
DTC Check
(Normal Mode)DTC Check
(Check Mode)Sensor Check/
Test Mode
(Input Signal
Check)Data List Active Test
2GR-FE SFI System
X
U151E Automatic Transaxle SystemX
U151F Automatic Transaxle SystemX
Tire pressure warning systemXX
Anti-lock Brake System
X
Vehicle Stability Control SystemX
Air Conditioning System (for Manual Air
Conditioning System)XXXXX
Air Conditioning System (for Automatic Air
Conditioning System)
XX
Airbag SystemXX
Occupant Classification System
XXX

IN–38INTRODUCTION – HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS
IN
HINT:
• In troubleshooting, confirm that the problem symptoms
have been accurately identified. Preconceptions should be
discarded in order to make an accurate judgment. To
clearly understand what the problem symptoms are, it is
extremely important to ask the customer about the
problem and the conditions at the time the malfunction
occurred.
• Gather as much information as possible for reference.
Past problems that seem unrelated may also help in some
cases.
• The following 5 items are important points in the problem
analysis:
3. SYMPTOM CONFIRMATION AND DIAGNOSTIC
TROUBLE CODE
HINT:
The diagnostic system in the SIENNA has various
functions.
• The first function is the Diagnostic Trouble Code
(DTC) check. A DTC is a code stored in the ECU
memory whenever a malfunction in the signal circuits
to the ECU occurs. In a DTC check, a previous
malfunction's DTC can be checked by a technician
during troubleshooting.
• Another function is the Input Signal Check, which
checks if the signals from various switches are sent to
the ECU correctly.
By using these functions, the problem areas can be
narrowed down and troubleshooting is more effective.
Diagnostic functions are incorporated in the following
system in the SIENNA.
What Vehicle model, system name
When Date, time, occurrence frequency
Where Road conditions
Under what conditions? Running conditions, driving conditions, weather conditions
How did it happen? Problem symptoms
SystemSYMPTOM CONFIRMATION AND DIAGNOSTIC TROUBLE CODE
DTC Check
(Normal Mode)DTC Check
(Check Mode)Sensor Check/
Test Mode
(Input Signal
Check)Data List Active Test
2GR-FE SFI System
X
U151E Automatic Transaxle SystemX
U151F Automatic Transaxle SystemX
Tire pressure warning systemXX
Anti-lock Brake System
X
Vehicle Stability Control SystemX
Air Conditioning System (for Manual Air
Conditioning System)XXXXX
Air Conditioning System (for Automatic Air
Conditioning System)
XX
Airbag SystemXX
Occupant Classification System
XXX

DRIVE SHAFT – FRONT DRIVE SHAFTDS–5
DS
REMOVAL
1. DRAIN AUTOMATIC TRANSAXLE FLUID
(a) Remove the drain plug, gasket and drain ATF.
(b) Install a new gasket and the drain plug.
Torque: 49 N*m (500 kgf*cm, 36 ft.*lbf)
2. DRAIN TRANSFER OIL (for 4WD)
HINT:
(See page TF-8)
3. REMOVE FRONT WHEEL
4. REMOVE FRONT AXLE HUB LH NUT
(a) Using SST and a hammer, unstake the staked part
of the axle hub LH nut.
SST 09930-00010
NOTICE:
Loosen the staked part of the nut completely,
otherwise the screw of the drive shaft may be
damaged.
(b) While applying the brakes, remove the lock axle hub
LH nut.
5. SEPARATE FRONT STABILIZER LINK ASSEMBLY LH
(a) Remove the nut, and separate the stabilizer link
assembly LH.
HINT:
If the ball joint turns together with the nut, use a
hexagon wrench (6 mm) to hold the stud.
6. SEPARATE SPEED SENSOR FRONT LH
(a) Remove the bolt and clip, and separate the sensor
wire and hose from the shock absorber.
NOTICE:
Be careful not to damage the speed sensor.
(b) Remove the bolt, and separate the speed sensor
from LH from the steering knuckle.
NOTICE:
Prevent foreign matter from adhering to the
speed sensor.
F040146E09
F040136
C083022
F040147

DS–6DRIVE SHAFT – FRONT DRIVE SHAFT
DS
7. SEPARATE TIE ROD END SUB-ASSEMBLY LH
(a) Remove the cotter pin and nut.
(b) Using SST, separate the tie rod end from the
steering knuckle.
SST 09628-62011
8. SEPARATE NO. 1 FRONT SUSPENSION ARM SUB-
ASSEMBLY LOWER LH
(a) Remove the bolt and 2 nuts, and separate the No. 1
front suspension arm sub-assembly lower from the
lower ball joint.
9. SEPARATE FRONT AXLE ASSEMBLY LH
(a) Using a plastic hammer, separate the drive shaft
from the axle hub.
NOTICE:
Be careful not to damage the boot and speed
sensor rotor.
10. REMOVE FRONT DRIVE SHAFT ASSEMBLY LH
(a) Using SST, remove the front drive shaft assembly
LH.
SST 09520-01010, 09520-24010 (09520-32040)
NOTICE:
• Be careful not to damage the transaxle case
oil seal, inboard joint boot and drive shaft
dust cover.
• Be careful not to drop the drive shaft
assembly.
11. REMOVE FRONT DRIVE SHAFT ASSEMBLY RH (for
2WD)
(a) Using a screwdriver, remove the bearing brake hole
snap ring.
(b) Remove the bolt and front drive shaft assembly RH
from the drive shaft bearing bracket.
F045060E06
F040142
D027403E03
F040148E05
C080304

AH–6AXLE – FRONT AXLE HUB
AH
REMOVAL
HINT:
Replace the RH side using the same procedures as for the
LH side.
1. REMOVE FRONT WHEEL
2. REMOVE FRONT AXLE HUB LH NUT (See page DS-
5)
3. SEPARATE SPEED SENSOR FRONT LH (See page
DS-5)
4. SEPARATE FRONT DISC BRAKE CALIPER
ASSEMBLY LH
(a) Remove the 2 bolts and separate the front disc
brake caliper assembly LH from the steering
knuckle LH.
NOTICE:
Use a string or other device to keep the brake
caliper from hanging down.
5. REMOVE FRONT DISC
6. SEPARATE TIE ROD END SUB-ASSEMBLY LH (See
page DS-6)
7. SEPARATE FRONT SUSPENSION ARM SUB-
ASSEMBLY LOWER NO.1 LH (See page DS-6)
8. REMOVE FRONT AXLE ASSEMBLY LH
(a) Using a plastic hammer, separate the front drive
shaft assembly LH from the front axle hub sub-
assembly LH.
NOTICE:
Be careful not to damage the boot and ABS
speed sensor rotor.
(b) Remove the 2 bolts, nuts and steering knuckle LH
with the front axle nub sub-assembly LH.
C067088
D027403
C083023

AH–10AXLE – FRONT AXLE HUB
AH
5. INSTALL FRONT DISC BRAKE CALIPER ASSEMBLY
LH
(a) Install the front disc brake caliper assembly LH with
the 2 bolts to the steering knuckle LH.
Torque: 104 N*m (1,060 kgf*cm, 77 ft.*lbf)
6. INSTALL FRONT AXLE HUB LH NUT
(a) Using a socket wrench (30mm), install a new axle
hub LH nut.
Torque: 294 N*m (3,000 kgf*cm, 217 ft.*lbf)
7. SEPARATE FRONT DISC BRAKE CALIPER
ASSEMBLY LH
(a) Remove the 2 bolts and separate the front disc
brake caliper assembly LH from the steering
knuckle LH.
NOTICE:
Use a string or other device to keep the brake
caliper from hanging down.
8. REMOVE FRONT DISC
9. INSPECT BEARING BACKLASH (See page AH-5)
10. INSPECT AXLE HUB DEVIATION (See page AH-5)
11. INSTALL FRONT DISC
12. INSTALL FRONT DISC BRAKE CALIPER ASSEMBLY
LH
(a) Install the front disc brake caliper assembly LH with
the 2 bolts to the steering knuckle LH.
Torque: 104 N*m (1,060 kgf*cm, 77 ft.*lbf)
13. INSTALL SPEED SENSOR FRONT LH (See page DS-
18)
14. INSTALL FRONT AXLE HUB LH NUT
(a) Using a socket wrench (30 mm), install a new axle
hub LH nut.
Torque: 294 N*m (3,000 kgf*cm, 217 ft.*lbf)
(b) Using a chisel and hammer, stake the axle hub LH
nut.
15. INSTALL FRONT WHEEL
Torque: 103 N*m (1,050 kgf*cm, 76 ft.*lbf)
16. INSPECT FRONT WHEEL ALIGNMENT
(a) Inspect front wheel alignment (See page SP-4).
17. CHECK ABS SPEED SENSOR SIGNAL
(a) ABS WITH EBD SYSTEM (See page BC-3).
(b) ABS WITH EBD & BA & TRAC & VSC SYSTEM
(See page BC-72).
C067088
C067088
C068609

BC–4BRAKE CONTROL – ANTI-LOCK BRAKE SYSTEM
BC
TEST MODE PROCEDURE
1. SPEED SENSOR SIGNAL CHECK (WHEN USING SST
CHECK WIRE):
HINT:
• If the ignition switch is turned from the ON to the ACC
or LOCK position during Test Mode, the DTCs of the
signal check function will be erased.
(a) Turn the ignition switch off.
(b) Check that the steering wheel is in the straight-
ahead position and move the shift lever to the P
position (Automatic Transmission) or apply the
parking brake (Manual Transmission).
(c) Using SST, connect terminals TS and CG of the
DLC3.
SST 09843-18040
(d) Turn the ignition switch to the ON position.
(e) Check that the ABS warning light is blinking in the
Test Mode.
HINT:
If the ABS warning light does not blink, inspect the
TS and CG terminal circuit and the ABS warning
light circuit.
(f) Start the engine.
(g) Using SST, perform the speed sensor signal check
in Test Mode.
SST 09843-18040
(h) Drive the vehicle straight forward.
(i) Accelerate the vehicle to a speed of 28 mph (45 km/
h) or higher for several seconds and check that the
ABS warning light goes off.
HINT:
The signal check may not be completed if the
vehicle has its wheels spun.
(j) Stop the vehicle.
NOTICE:
• The speed sensor signal check may not be
completed if the steering wheel is turned or
the wheels are spun during the check.
G022987E07
BR03904E13
Trouble Area See procedure
TS and CG terminal circuitBC-64
ABS warning light circuitBC-47 or BC-50