Toyota Sienna Service Manual: Speed sensor check (when using sst check wire)
(a) Check the speed sensor 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.
(b) Stop the vehicle.
- Before performing the speed sensor signal check, complete the deceleration sensor and master cylinder pressure sensor checks.
- The speed sensor signal check may not be completed if the speed sensor signal check is started while turning the steering wheel or spinning the wheels.
After the ABS warning light goes off, if vehicle speed exceeds 80 km/h (50 mph), a signal check code will be stored again.
Decelerate or stop the vehicle before the speed reaches 80 km/h (50 mph).
- If the signal check has not been completed, the ABS warning light blinks while driving and the ABS system does not operate.
HINT: When the signal check has been completed, the ABS warning light goes off while driving and blinks in the test mode pattern while stationary.
Air conditioning filter
The air conditioning filter must be changed regularly to maintain air conditioning efficiency Removal method Turn the engine switch to the “LOCK” position (vehicles without a smart key system) or off (vehicles with a smart key system). Open the glove box.