Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: System Diagram

Toyota Corolla Cross (2022-2025) Service Manual / Vehicle Interior / Theft Deterrent / Keyless Entry / Smart Key System (for Start Function, Gasoline Model) / System Diagram

SYSTEM DIAGRAM

SMART KEY SYSTEM (for Start Function)

SMART KEY SYSTEM (for Entry Function)

Click here

    READ NEXT:

     How To Proceed With Troubleshooting

    CAUTION / NOTICE / HINT NOTICE: Do not perform "Smart Code Reset" (all key ID erasure) until all malfunctions and symptoms have been confirmed and resolved. If all key ID erasure is performed wi

     Customer Problem Analysis Check

    CUSTOMER PROBLEM ANALYSIS CHECK HINT: Be sure to ask the customer in detail about the following points concerning the vehicle operating conditions, environment and problem, and then check for DT

     Check For Intermittent Problems

    CHECK FOR INTERMITTENT PROBLEMS NOTICE: Operation history is stored in the RAM or EEPROM of the certification ECU (smart key ECU assembly). As the cause of a malfunction stored in the RAM will b

    SEE MORE:

     Speaker Circuit

    WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: When replacing the telematics transceiver, make sure to replace it with a new one. Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be ne

     Installation

    INSTALLATION CAUTION / NOTICE / HINT COMPONENTS (INSTALLATION) Procedure Part Name Code 1 IMMOBILIZER CODE ECU (ID CODE BOX) 89784 - - - 2 AIR CONDITIONER UNIT ASSEMBLY - - - - 3 PERFORM CODE REGISTRATION

    © 2020-2025 Copyright www.tcorollacross.com