Toyota Sienna Service Manual: Master cylinder pressure sensor check (when using intelligent tester)

Toyota Sienna Service Manual / Brake control / Vehicle stability control system / Test mode procedure / 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 more.

(b) Check the ABS warning light stays on for 3 seconds

HINT:

Ensure that the ABS warning light comes on.
While the ABS warning light stays on, continue to depress the brake pedal with a force of 98 N (10 kgf, 22 lbf) or more.
The ABS warning light comes on for 3 seconds every time brake pedal operation above is performed.

Sensor signal check by test mode (signal check) (when using intelligent tester)

(a) When having replaced the skid control ECU and/or yaw rate and deceleration sensor, perform zero point calibration of the yaw rate and deceleration sensor. HINT: If the ignition switch is t ...

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 th ...

Other materials:

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