Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: Sliding Roof Motor Control Actuator Stuck On (B23457E)

Toyota Corolla Cross (2022-2025) Service Manual / Vehicle Exterior / Sliding Roof / Convertible / Sliding Roof System / Sliding Roof Motor Control Actuator Stuck On (B23457E)

DESCRIPTION

This DTC will be stored if the operation of the sliding roof is suspended and a pulse input of 10 Hz or more is detected when the motor relay is off.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

DTC Output from

B23457E

Sliding Roof Motor Control Actuator Stuck On

Position failure (When the sliding roof drive gear sub-assembly (sliding roof ECU) enters fail-safe mode due to a problem with the gear position)

Sliding roof drive gear sub-assembly (sliding roof ECU)

Main Body

CAUTION / NOTICE / HINT

NOTICE:

If the sliding roof ECU (sliding roof drive gear sub-assembly) is removed and reinstalled or replaced, the sliding roof ECU (sliding roof drive gear sub-assembly) must be initialized.

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PROCEDURE

1.

CHECK DTC OUTPUT

(a) Clear the DTCs.

Body Electrical > Main Body > Clear DTCs

(b) Check for DTCs.

Body Electrical > Main Body > Trouble Codes

Result

Proceed to

DTCs are not output

A

DTCs are output

B
A

USE SIMULATION METHOD TO CHECK

B

REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY)

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