Toyota Sienna Service Manual: Speed sensor check (when using intelligent tester)
(a) Check the backward signal.
(1) Drive the vehicle in reverse for more than 1 second at 3 km/h (2 mph) or higher.
HINT: Drive the vehicle in reverse and check the speed sensor signal. Note that the signal check cannot be completed if the vehicle speed is 45 km/h (28 mph) or more.
(b) Check the forward signal.
(1) Drive the vehicle straight forward. Drive the vehicle at a speed of 45 km/h (28 mph) 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 or the steering wheel turned during this check.
(c) Stop the vehicle.
Master cylinder pressure sensor check (when using intelligent tester)
(a) Leave the vehicle in a stationary condition and
release the brake pedal for 1 second or more, and
quickly depress the brake pedal with a force of 98 N
(10 kgf, 22 lbf) or more for 1 second or m ...
Yaw rate sensor check (when using intelligent tester)
(a) Check the output of the yaw rate sensor.
(1) Move the shift lever to the D position, drive the
vehicle at a speed of approximately 5 km/h (3
mph), and turn the steering wheel either to th ...
Other materials:
Electronic control
(a) REMOVAL AND INSTALLATION OF BATTERY TERMINAL
REMOVAL AND INSTALLATION OF BATTERY TERMINAL
NOTICE: Certain systems need to be initialized
after
disconnecting and reconnecting the cable from
the negative (-) battery terminal.
(1) Before performing electronic work, disconnect
the ...
Installation
1. REMOVE FRONT SEAT INNER BELT ASSEMBLY
HINT:
Refer to the instructions for reassembly of the front seat assembly
(for flat type).
Refer to the instructions for reassembly of the front seat assembly
(for manual seat).
Refer to the instructions for reassembly of the ...
Lumbar support adjuster assembly
INSPECTION
1. INSPECT LUMBAR SUPPORT ADJUSTER ASSEMBLY
Check operation of the lumbar support adjuster
motor.
Check if the lumbar support adjuster moves
smoothly when the battery is connected to the
lumbar support adjuster motor connector
terminal.
OK
If the r ...
