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Toyota Sienna Service Manual: Yaw rate sensor check (when using sst check wire)

Toyota Sienna Service Manual / Brake control / Vehicle stability control system / Test mode procedure / Yaw rate sensor check (when using sst check wire)

(a) Check the zero point voltage of the yaw rate sensor.

(1) Keep the vehicle in a stationary condition on a level surface for 1 second or more.

(b) 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 3 mph (5 km/h), and turn the steering wheel either to the left or right 90° or more until the vehicle makes 180° turn.

(2) Stop the vehicle and move the shift lever to the position. Check that the skid control buzzer sounds for 3 seconds.

HINT:

11. DTC OF TEST MODE (SIGNAL CHECK) FUNCTION

ABS sensor:

VSC sensor:

HINT: The codes in this table are output only in Test Mode (signal check).

Problem symptoms table

Vehicle Stability Control System:

Vehicle Stability Control System

Vehicle Stability Control System

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 goe ...

Terminals of ecu
1. Terminal of ECU (*1): Models with dynamic laser cruise control (*2): 2WD model 2. Terminal Inspection (a) Disconnect the connector and measure the voltage or resistance on the wire harness ...

Other materials:

Short to B+ in Door System Communication Bus Malfunction/ Short to GND in Door System Communication Bus Malfunction
DTC B1214 Short to B+ in Door System Communication Bus Malfunction DTC B1215 Short to GND in Door System Communication Bus Malfunction DESCRIPTION DTCs B1214 and B1215 are output when a short to +B or the body ground occurs on the communication bus. Detecting this condition disables all the ...

Concept, General information, Safety information
Concept The system may prevent some accidents with cross traffic at intersections and junctions. In the event of an accident, the system may reduce impact speed. The system sounds a warning in the city speed range before an imminent collision and activates brakes independently, if needed. General i ...

Summary of functions
Dynamic radar cruise control supplements conventional cruise control with a vehicle-to-vehicle distance control. In vehicle-to-vehicle distance control mode, the vehicle automatically accelerates or decelerates in order to maintain a set following distance from vehicles ahead. Multi-infor ...

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