Variable Gear Ratio Steering System

VARIABLE GEAR RATIO STEERING: VARIABLE GEAR RATIO STEERING SYSTEM: C1591/51: Actuator Neutral Position Calibration Undone

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.






INSPECTION PROCEDURE

PROCEDURE

1. CHECK DTC
(a) Check for DTCs Reading and Clearing Diagnostic Trouble Codes.
OK:
DTC C1591/51 only is output.
NG -- REPAIR CIRCUIT INDICATED BY DTC OUTPUT
OK -- Continue to next step.
2. PERFORM VGRS SYSTEM CALIBRATION
(a) Perform VGRS system calibration Calibration.
NEXT -- Continue to next step.
3. CHECK DTC
(a) Check for DTCs Reading and Clearing Diagnostic Trouble Codes.

Result





C -- GO TO DTC C1593/53
B -- GO TO DTC C1592/52
A -- USE SIMULATION METHOD TO CHECK