Lexus LX - Page 101

DTC C1591/51 Actuator Neutral Position Calibration Undone
for Preparation Click here
DESCRIPTION
If the steering control ECU or steering actuator is replaced, or if the tie-rod ends are adjusted, VGRS system calibration is required. If the steering
control ECU detects that steering angle adjustment is incomplete, it will store DTC C1591/51.
DTC Code DTC Detection Condition Procedure
C1591/51
The steering control ECU detects that steering angle
adjustment is incomplete.
There is no malfunction if this DTC is not output again after
performing VGRS system calibration.
INSPECTION PROCEDURE
1.CHECK DTC
a. Check for DTCs (Click here).
OK:
DTC C1591/51 only is output.
NG REPAIR CIRCUIT INDICATED BY DTC OUTPUT
OK
2.PERFORM VGRS SYSTEM CALIBRATION
a. Perform VGRS system calibration (Click here).
NEXT
3.CHECK DTC
a. Check for DTCs (Click here).
Result
Result Proceed to
DTC is not output. A
DTC C1592/52 is output. B
DTC C1593/53 is output. C
B GO TO DTC C1592/52 (Click here)
C GO TO DTC C1593/53 (Click here)
A
USE SIMULATION METHOD TO CHECK ( Click here)