Dtc C1773 Vgrs Ecu Malfunction

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

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK DTC

DTC C1773 VGRS ECU Malfunction


DESCRIPTION

  1. The absorber control ECU inputs the signals from the steering control ECU via CAN communication.
  2. The fail-safe function prohibits roll posture control if any malfunction occurs in the steering control ECU (Click here).

DTC No.
DTC Detection Condition
Trouble Area
C1773
The fail flag signal is received from the steering control ECU for 5 seconds.
  1. VGRS system
  2. CAN communication system

WIRING DIAGRAM


Lexus Gs430, Gs300. Uzs190 Grs190.Suspension Control.Adaptive Variable Suspension System. Dtc C1773 Vgrs Ecu Malfunction


INSPECTION PROCEDURE

1.CHECK DTC

  1. Clear the DTC (Click here).

  1. Turn the engine switch off.

  1. Turn the engine switch on (IG) again and check that no CAN communication system DTC is output.

  1. Start the engine.

  1. Drive the vehicle and turn the steering wheel to the right and left at the speed of 35 km/h (24 mph) to check that a DTC is output (Click here).

    Result:

    Result
    		Proceed To
    Only C1773 is output
    		A
    CAN communication DTC is output
    		B


B
REPAIR CIRCUIT INDICATED BY OUTPUT CODE
A

CHECK VGRS SYSTEM