Adaptive Variable Suspension System Fail-Safe Chart

Suspension & Axle. Lexus Gs430, Gs300. Uzs190 Grs190
Suspension Control. Lexus Gs430, Gs300. Uzs190 Grs190

  1. FAIL-SAFE FUNCTION

  1. FAIL-SAFE CHART

Adaptive Variable Suspension System -- Fail-Safe Chart



FAIL-SAFE FUNCTION
When short circuit of the absorber control actuator is detected, the absorber control actuator located on the other side of the detected absorber will be set at step 9.
The absorber control actuator remains at the step 9 position until the engine switch is turned off.

FAIL-SAFE CHART

DTC No.
Malfunction Item
Fail-safe operation
Fail-safe Cancellation Condition
Indication
C1715
C1716
C1717
Acceleration sensor circuit
  1. Shudder control (H∞ control) is cancelled
  2. Other controls are continued, setting the lowest step of the front and rear absorber control actuators at 9
The system returns to normal
  1. DTC: stored
  2. Indicator light: OFF
C1725
C1726
C1727
C1728
Absorber control actuator circuit
Control is cancelled (except malfunctioning area) after setting the step of the front and rear absorber control actuators at 9
The system returns to normal
  1. DTC: stored
  2. Indicator light: OFF
C1761
Absorber control ECU
Control is cancelled
The system returns to normal
  1. DTC: stored
  2. Indicator light: OFF
C1773
VGRS ECU
Roll posture control is prohibited
The system returns to normal
  1. DTC: stored
  2. Indicator light: OFF
C1774
Power source circuit
Control is cancelled
The system returns to normal
  1. DTC: not stored
  2. Indicator light: OFF
C1776
Wheel speed sensor circuit
Control is cancelled after setting the step of the front and rear absorber control actuators at 9
The system returns to normal
  1. DTC: stored
  2. Indicator light: OFF
C1777
Steering angle sensor circuit
Roll posture control is prohibited
The system returns to normal
  1. DTC: stored
  2. Indicator light: OFF
U0100
CAN communication circuit
Control is continued, setting engine rotation at 1000 rpm
The system returns to normal
  1. DTC: not stored
  2. Indicator light: OFF
U0101
CAN communication circuit
Control is continued
The system returns to normal
  1. DTC: not stored
  2. Indicator light: OFF
U0122
CAN communication circuit
Control is cancelled after setting the step of the front and rear absorber control actuators at 9
The system returns to normal
  1. DTC: not stored
  2. Indicator light: OFF
U0126
CAN communication circuit
Roll posture control is prohibited
The system returns to normal
  1. DTC: not stored
  2. Indicator light: OFF
U0130
CAN communication circuit
Roll posture control is prohibited
The system returns to normal
  1. DTC: not stored
  2. Indicator light: OFF
U0132
CAN communication circuit
Control is cancelled after setting the step of the front and rear absorber control actuators at 9
The system returns to normal
  1. DTC: not stored
  2. Indicator light: OFF