Active Torque Control 4WD System (Diagnostics - Introduction): Adjustments Toyota RAV4 III рестайлинг

CALIBRATION

1. DESCRIPTION When the 4WD control ECU is replaced with a normal one from another vehicle, or the yaw rate sensor is replaced, perform calibration. Follow the chart to perform calibration. Part Replaced Necessary Operation 4WD Control ECU (When replaced with a normal one from another vehicle) Clear zero point calibration data Yaw Rate Sensor Clear zero point calibration data Perform yaw rate and deceleration sensor zero point calibration HINT: When the 4WD control ECU is replaced with a new one, calibration is unnecessary. Calibrate the 4WD control ECU by performing calibration of the vehicle stability control system.
2. PERFORM CALIBRATION (When Using Techstream) Clear the zero point calibration data. Turn the ignition switch off. Connect the Techstream to the DLC3. Turn the ignition switch to ON. Turn the Techstream on. Enter the following menus: Chassis / Four Wheel Drive / Utility / Reset Memory. Operate the Techstream to clear the data. NOTE: When the yaw rate sensor is replaced, be sure to also perform vehicle stability control system calibration.Refer to «CALIBRATION»(ref-493517-S13613512722012081000000) .
3. PERFORM CALIBRATION (When not Using Techstream) Calibrate the 4WD control ECU by performing vehicle stability control system calibration. HINT: To perform vehicle stability control system calibration, refer to PERFORM ZERO POINT CALIBRATION OF YAW RATE AND DECELERATION SENSOR (When not Using Techstream).Refer to «CALIBRATION»(ref-493517-S13613512722012081000000) .

Scheme 79

1. DESCRIPTION HINT: When using a chassis dynamometer, brake tester, etc. to perform a vehicle test, activate test mode to avoid a "different tire diameter installed" incorrect judgment. Test mode does not have a 4WD parameter. Test mode is activated because it will prohibit a different tire diameter judgment. Control Status 4WD Control Status During test mode Different tire diameter malfunction judgment (detection that tire diameter of 4 wheels are not same) is not performed. Other than above item, normal control is performed. - 4WD lock switch OFF (4WD auto mode status)- 4WD lock switch ON (4WD lock mode status)
2. ACTIVATE TEST MODE HINT: Activate test mode before using a chassis dynamometer, brake tester, etc. to perform a vehicle test. Check that the ignition switch is off. Use either of the following methods to change the 4WD ECU to test mode. Test mode activation through Techstream. Connect the Techstream to the DLC3 connector and turn the ignition switch ON. Using the test mode activation function (mode 10), activate test mode. Test mode activation by shorting TS terminal With the ignition switch off, short-circuit the TS and CG terminals of the DLC3 connector. Then turn the ignition switch ON to activate test mode. NOTE: When the ignition switch is turned from off to ON, the 4WD indicator light will illuminate for 4 seconds. Then it will turn off. 4WD LOCK MODE INDICATOR 4WD Lock Switch OFF Illuminates for 4 seconds, then turns OFF 4WD Lock Switch ON Remains illuminated HINT: When the ignition switch is ON and the 4WD lock switch is turned from OFF to ON, the 4WD lock mode indicator blinks twice and then illuminates. If the indicator does not illuminate, check the bulb for burnout. Also, inspect the wire harness between the 4WD ECU and combination meter. NOTE: If a part of the 4WD system has a defect, the 4WD indicator light will illuminate. Check if the 4WD indicator light has changed to the test mode display. Start the engine.
3. CONFIRM MODE CHANGE HINT: Operate the 4WD lock switch, and check that the 4WD control mode changes. 4WD Lock Switch Status 4WD Lock Mode Indicator Status 4WD Control Status OFF Turns off 4WD auto mode ON Illuminates 4WD lock mode Switch changed from OFF to ON Blinks twice, then illuminates At moment of illumination, changes to 4WD lock mode