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)

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     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

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     Inspection

    INSPECTION PROCEDURE 1. INSPECT REAR DOOR COURTESY LIGHT SWITCH ASSEMBLY LH (a) Check the resistance. (1) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Specified Condition O31-1 - Switch body

     Internal Control Module Random Access Memory (RAM) Error Data Memory Failure (P060444)

    MONITOR DESCRIPTION The engine stop and start ECU continuously monitors its internal memory status. This self-check ensures that the engine stop and start ECU is functioning properly. The engine stop and start ECU memory status is diagnosed by internal mirroring of the main CPU and sub CPU to detect

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