Repair Yaw Rate Sensor Sequoia

Fig. 53: Checking Yaw Rate (Deceleration) Sensor Installation Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NG: Install yaw rate (deceleration) sensor correctly. OK: Go to next step. 2. Check output value of the yaw rate sensor.

PREPARATION:

a. Remove the 2 bolts and the yaw rate (deceleration) sensor assembly with the connector still connected.

b. Connect the hand-held tester to the DLC3.

c. Turn the ignition switch to the ON position and turn the hand-held tester main switch on.

2004 BRAKES ABS With EBD & BA & TRAC & VSC System - Diagnostics - Sequoia d. Select the DATA LIST mode on the hand-held tester. CHECK:

a. Check that the value of the YAW RATE displayed on the hand-held tester changes: Place the yaw rate sensor vertically to the ground and turn the sensor to the right and left.

Yaw Rate Sensor

G02921801

Fig. 54: Checking Output Value Of Yaw Rate Sensor Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

Item

Measurement Item / Range (Display)

Normal Condition

Diagnostic Note

YAW RATE

Yaw rate sensor/ Min.: -128 deg/s. Max.: 127 deg/s

Min.: -128 deg/s Max.: 128 deg/s

GÛ2321B02

Fig. 55: Measurement Item Range (Display) Normal Condition Table

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

Yaw rate values change.

3. Check for open and short circuit in harness and connector between yaw rate sensor and skid control ECU (See HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE ).

NG: Repair or replace harness or connector.

OK: Go to next step.

4. Check voltage between terminals VYS and GYAW of the yaw rate (deceleration) sensor. PREPARATION:

Disconnect the yaw rate (deceleration) sensor connector. CHECK:

a. Turn the ignition switch to the ON position.

b. Measure the voltage between terminals VYS and GYAW of the yaw rate (deceleration) sensor harness side connector.

Voltage: 10 to 14 V

2004 BRAKES ABS With EBD & BA & TRAC & VSC System - Diagnostics - Sequoia

Seqoia Yaw Rate Sensor

Fig. 56: Identifying Yaw Rate (Deceleration Sensor Connector Terminal YVS & GYAW For Measuring Voltage

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

Fig. 56: Identifying Yaw Rate (Deceleration Sensor Connector Terminal YVS & GYAW For Measuring Voltage

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

NG: Replace skid control ECU (See DISASSEMBLY ).

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Responses

  • Olli-Pekka Muukkonen
    How to repair yaw rate sensor?
    3 years ago
  • Cyrus
    How to change yaw rate sensor on Toyota rav4 2005?
    2 years ago

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