Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: 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:

     Pcv Valve

    On-vehicle InspectionON-VEHICLE INSPECTION PROCEDURE 1. INSPECT PCV VALVE (VENTILATION VALVE SUB-ASSEMBLY) (a) Check the PCV valve (ventilation valve sub-assembly) operation. (1) Start the engine. (2) Slide the clip and disconnect the No. 2 ventilation hose from the air cleaner hose assem

     Freeze Frame Data

    FREEZE FRAME DATA FREEZE FRAME DATA HINT: When a DTC is stored, the freeze frame data stores the current vehicle (sensor) state. The freeze frame data cannot be cleared or updated until the recorded DTCs are cleared. (a) Using the GTS, the state of the vehicle (sensors) when the

    © 2020-2026 Copyright www.tcorollacross.com PT NL