Toyota 4Runner: Yaw Rate And Acceleration Sensor

Toyota 4Runner Service Manual / Brake / Brake Control / Dynamic Control Systems / Yaw Rate And Acceleration Sensor

Components

COMPONENTS

ILLUSTRATION

Removal

REMOVAL

PROCEDURE

1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

CAUTION:

Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS system.

NOTICE:

When disconnecting the cable, some systems need to be initialized after the cable is reconnected (See page ).

2. REMOVE REAR CONSOLE BOX SUB-ASSEMBLY

(a) Remove the rear console box sub-assembly (See page ).

3. REMOVE YAW RATE AND ACCELERATION SENSOR

(a) Remove the 2 bolts and yaw rate and acceleration sensor.

(b) Disconnect the connector, and then detach the clamp from the sensor bracket.

Inspection

INSPECTION

PROCEDURE

1. CHECK YAW RATE AND ACCELERATION SENSOR

(a) Check the yaw rate and acceleration sensor.

Under any of the following conditions, replace the sensor with a new one:

The surface of the sensor is cracked, dented or chipped.
The connector is scratched, cracked or damaged.
The sensor has been dropped.

Installation

INSTALLATION

PROCEDURE

1. INSTALL YAW RATE AND ACCELERATION SENSOR

(a) Connect the connector, and then attach the clamp to the hole of the sensor bracket.

NOTICE:

Securely connect the connector.

(b) Install the yaw rate and acceleration sensor with the 2 bolts.

Torque:

15 N·m {148 kgf·cm, 11 ft·lbf}

NOTICE:

If the sensor is dropped, replace it.
Make sure the bracket rotation stopper touches the installation position.
Make sure that the sensor is oriented correctly.
When installing the sensor, make sure to avoid impacts to the sensor.

2. INSTALL REAR CONSOLE BOX SUB-ASSEMBLY

(a) Install the rear console box sub-assembly (See page ).

3. CONNECT CABLE TO NEGATIVE BATTERY TERMINAL

NOTICE:

When disconnecting the cable, some systems need to be initialized after the cable is reconnected (See page ).

4. PERFORM YAW RATE AND ACCELERATION SENSOR ZERO POINT CALIBRATION

(a) Perform yaw rate and acceleration sensor zero point calibration (See page ).

5. CHECK YAW RATE AND ACCELERATION SENSOR SIGNAL

(a) Check the yaw rate and acceleration sensor signal (See page ).

Vsc Off Switch

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Steering Pad Switch Circuit
DESCRIPTION This circuit sends an operation signal from the steering pad switch assembly to the radio and display receiver assembly. If there is an open in the circuit, the radio system cannot be operated using the steering pad switch assembly. If there ...

Toyota 4Runner: Yaw Rate And Acceleration Sensor

Vsc Off Switch

Brake System (other)

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