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.

Click here

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)

    READ NEXT:

     Remote Control System does not Operate

    DESCRIPTION The main body ECU (multiplex network body ECU) receives remote control signals from the driver door key cylinder or electrical key transmitter sub-assembly. Then, the main body ECU (multip

     Key-off Operation Function Operates even if Operating Conditions are not Satisfied

    DESCRIPTION The sliding roof ECU (sliding roof drive gear sub-assembly) operates its built-in motor according to the sliding roof switch (map light assembly) operation. Using the sliding roof switch (

     Sliding Roof does not Move by Operating Sliding Roof Control Switch

    DESCRIPTION The sliding roof ECU (sliding roof drive gear sub-assembly) receives slide and tilt signals and operates its built-in motor when the sliding roof switch (map light assembly) is operated. W

    SEE MORE:

     On-vehicle Inspection

    ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT FRONT LOWER BALL JOINT ASSEMBLY (a) Check for looseness. (1) Lift up the vehicle. (2) Move the front lower No. 1 suspension arm sub-assembly up and down by hand with a force of 294 N (30 kgf) or more to check that there is no loo

     Installation

    INSTALLATION CAUTION / NOTICE / HINT COMPONENTS (INSTALLATION) Procedure Part Name Code 1 ACCELERATOR PEDAL SENSOR ASSEMBLY 78110K - - 2 FRONT NO. 1 CONSOLE BOX INSERT 58816D - - - 3 NO. 1 INSTRUMENT PA

    © 2020-2025 Copyright www.tcorollacross.com PT NL