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Last Modified: 11-27-2007 1.6 C
Service Category: Steering Section: Steering Column
Model Year: 2008 Model: LX570 Doc ID: RM000000YTZ00KX
Title: VARIABLE GEAR RATIO STEERING: VARIABLE GEAR RATIO STEERING SYSTEM: DESCRIPTION (2008 LX570)

DTC

C1591/51

Actuator Neutral Position Calibration Undone

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

PROCEDURE

1.

CHECK DTC

(a) Check for DTCs VARIABLE GEAR RATIO STEERING: VARIABLE GEAR RATIO STEERING SYSTEM: DTC CHECK / CLEAR (2008 LX570) .

OK:

DTC C1591/51 only is output.

OK

2.

PERFORM VGRS SYSTEM CALIBRATION

(a) Perform VGRS system calibration VARIABLE GEAR RATIO STEERING: VARIABLE GEAR RATIO STEERING SYSTEM: CALIBRATION (2008 LX570) .

NEXT

3.

CHECK DTC

(a) Check for DTCs VARIABLE GEAR RATIO STEERING: VARIABLE GEAR RATIO STEERING SYSTEM: DTC CHECK / CLEAR (2008 LX570) .

Result

Result

Proceed to

DTC is not output.

A

DTC C1592/52 is output.

B

DTC C1593/53 is output.

C
A