Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: Problem Symptoms Table

Toyota Corolla Cross (2022-2025) Service Manual / Vehicle Exterior / Sliding Roof / Convertible / Sliding Roof System / Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

HINT:

  • Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
  • Inspect the fuses and relays related to this system before inspecting the suspected areas below.
Sliding Roof System

Symptom

Suspected Area

Link

Remote control system (key-linked function and wireless transmitter-linked function) does not operate

Refer to the "Remote Control System does not Operate".

Key-off operation function operates even if operating conditions are not satisfied

Refer to the "Key-off Operation Function Operates even if Operating Conditions are not Satisfied".

Sliding roof does not move by operating sliding roof control switch

Refer to the "Sliding Roof does not Move by Operating Sliding Roof Control Switch".

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     Terminals Of Ecu

    TERMINALS OF ECU CHECK SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR SUB-ASSEMBLY) (a) Disconnect the T12 sliding roof ECU (sliding roof drive gear sub-assembly) connector. (b) Measure the resistance a

     Diagnosis System

    DIAGNOSIS SYSTEM DESCRIPTION (a) Sliding roof system data and Diagnostic Trouble Codes (DTCs) can be read through the vehicle Data Link Connector 3 (DLC3). When the system seems to be malfunctioning,

     Data List / Active Test

    DATA LIST / ACTIVE TEST DATA LIST NOTICE: In the following table, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether

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     Removal

    REMOVAL CAUTION / NOTICE / HINT COMPONENTS (REMOVAL) Procedure Part Name Code 1 REAR ENGINE UNDER COVER RH 51443C - - - 2 OIL PRESSURE AND TEMPERATURE SENSOR 89448D - - ★ Precoated part - -

     Transponder Chip Malfunction (B2793,B2797)

    DESCRIPTION DTC B2793 is stored when a malfunction is found in the door control transmitter assembly during key ID code registration or a key ID code is not registered normally. Replace the door control transmitter assembly if key ID code registration cannot be performed normally and this DTC i

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