Dtc C1516 Torque Sensor Zero Point Adjustment Incomplete

Steering. Lexus Gs430, Gs300. Uzs190 Grs190
Power Steering. Lexus Gs430, Gs300. Uzs190 Grs190

DESCRIPTION

INSPECTION PROCEDURE

CLEAR DTC

INITIALIZE ROTATION ANGLE SENSOR AND CALIBRATE TORQUE SENSOR ZERO POINT

RECONFIRM DTC

REPLACE POWER STEERING ECU ASSEMBLY

CLEAR DTC

INITIALIZE ROTATION ANGLE SENSOR AND CALIBRATE TORQUE SENSOR ZERO POINT

RECONFIRM DTC

DTC C1516 Torque Sensor Zero Point Adjustment Incomplete

DTC C1526 Rotation Angle Sensor Initialization Incomplete


DESCRIPTION

These DTCs do not indicate a malfunction. The power steering ECU assembly outputs these DTCs when it determines that rotation angle sensor initialization and torque sensor zero point calibration are incomplete.

DTC No.
DTC Detection Condition
Procedure
C1516
Steering zero point calibration is incomplete due to the steering wheel being touched during calibration.
There is no malfunction if this DTC is not output again after clearing the DTCs and torque sensor calibration value, and performing zero point calibration.
C1526
Rotation angle sensor initialization is incomplete due to the steering wheel being touched during calibration.
There is no malfunction if this DTC is not output again after clearing the DTCs and torque sensor calibration value, and performing rotation angle sensor initialization.

INSPECTION PROCEDURE

1.CLEAR DTC

NEXT


2.INITIALIZE ROTATION ANGLE SENSOR AND CALIBRATE TORQUE SENSOR ZERO POINT

NEXT


3.RECONFIRM DTC

  1. Check for DTCs.

    Result:

    A
    		DTCs are still output after performing rotation angle sensor initialization and steering zero point calibration 3 times.
    B
    		DTCs are still output after performing rotation angle sensor initialization and steering zero point calibration once or twice.
    C
    		Normal system code is output.
    HINT:
    Replace the power steering ECU assembly if DTCs are still output after performing rotation angle sensor initialization and steering zero point calibration 3 times.


B
Go to step 2

C
END
A


4.REPLACE POWER STEERING ECU ASSEMBLY

NEXT


5.CLEAR DTC

NEXT


6.INITIALIZE ROTATION ANGLE SENSOR AND CALIBRATE TORQUE SENSOR ZERO POINT

  1. Initialize the rotation angle sensor and calibrate the torque sensor zero point (Click here).


NEXT


7.RECONFIRM DTC

  1. Check for DTCs.

    Result:

    A
    		DTCs are still output after performing rotation angle sensor initialization and steering zero point calibration 3 times.
    B
    		DTCs are still output after performing rotation angle sensor initialization and steering zero point calibration once or twice.
    C
    		Normal system code is output.
    HINT:
    Replace the power steering link assembly if DTCs are still output after performing rotation angle sensor initialization and steering zero point calibration 3 times.
    NOTICE:
    1. If replacing the power steering link assembly, clear the rotation angle sensor calibration value, initialize the rotation angle sensor, and calibrate the torque sensor zero point (Click here).
    2. 3UZ-FE:
      If replacing the power steering link assembly, perform VGRS actuator angle initialization and VGRS actuator angle neutral calibration after wheel alignment adjustment (Click here for INITIALIZATION, Click here for CALIBRATION).


B
Go to step 6

C
END
A

REPLACE POWER STEERING LINK ASSEMBLY