Active Torque Control 4Wd System Fail-Safe Chart

Drive Line. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35
Differential. Toyota Rav4. Aca30, 33, 38 Gsa33 Zsa30, 35

  1. FAIL-SAFE FUNCTION

Active Torque Control 4Wd System -- Fail-Safe Chart



FAIL-SAFE FUNCTION
  1. If following malfunctions occur, the 4WD control ECU will stop the function of 4WD control system or partly change the function to control the system.
  1. If a malfunction occurs in the sensor signal or actuator, the flow of electricity to the linear solenoid of the electrical coupling is prohibited. As a result, the system enters front wheel drive condition.
  1. When a component of the system malfunctions and the fail-safe function activates, the component operation is prohibited. However, if the system is controlling the component and the fail-safe function activates, the system operation is gradually stopped to prevent sudden changes in the vehicle condition.
  1. When system control is not possible, the warning light is illuminated to stop operation of the system operation.