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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     Pressure Control Solenoid "J" Circuit Short to Ground or Open (P281F14)

    DESCRIPTION Refer to DTC P281F12. Click here DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory Note P281F14 Pressure Control Solenoid "J" Circuit Short to Grou

     Hybrid/EV Battery Control System Circuit Voltage Below Threshold (P300016)

    DESCRIPTION The battery ECU assembly alerts the driver and performs fail-safe control based on malfunction signals. If the HV battery is discharged excessively or the hybrid battery system is malfunctioning, this DTC will be stored. HINT: If the HV battery voltage has dropped due to a malfunct

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