DYNAMIC REAR STEERING SYSTEM, Diagnostic DTC:C1B18/28

DTC Code DTC Name
C1B18/28 Direct Advance Wheel Angle Standard Deviation Detect

DESCRIPTION

When the DRS ECU (rear steering control ECU) detects a problem with the straight-ahead steering angle due to a deviation in the actuator neutral position, DTC C1B18/28 is stored.

DTC Code DTC Detection Condition Trouble Area
C1B18/28 The straight-ahead steering angle does not match the one from the previous trip due to a deviation in the actuator neutral position. Rear steering link assembly

CAUTION / NOTICE / HINT

Note


  • If the rear steering link assembly or the rear suspension is removed and installed, replaced, or adjusted, after performing actuator calibration value initialization, perform neutral position memorization and motor rotation angle sensor calibration Click here.

  • Since DTC C15C9/76 is stored in the VGRS ECU (front steering control ECU), after performing repairs on the dynamic rear steering system, clear the DTCs for the VGRS system.

  • Check if the suspension, steering wheel assembly, tires or other parts were replaced or if an alignment adjustment was performed before DTC C1B18/28 was stored.

PROCEDURE


  1. CHECK DTC


    1. Check for DTCs Click here.

      Result
      Result Proceed to
      DTCs other than C1B18/28 are not output A
      DTCs other than C1B18/28 are output B

    A

    REPLACE REAR STEERING LINK ASSEMBLY Click here

    B

    REPAIR CIRCUITS INDICATED BY OUTPUT DTC Click here