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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     Vehicle Speed Signal Circuit Open (B228231,B228262)

    DESCRIPTION DTC B228231 is stored when the vehicle speed signal sent by the skid control ECU via direct line and the vehicle speed signal sent via CAN communication do not match. DTC B228262 is stored when a malfunction in the vehicle speed sensor is detected. DTC No. Detection Item D

     Fuel Pump Control (All Phase) Circuit Open (P12D013-P12D313)

    DESCRIPTION Refer to DTC P062712. Click here DTC No. Detection Item DTC Detection Condition Trouble Area MIL Note P12D013 Fuel Pump Control (All Phase) Circuit Open When the fuel pump control ECU operation duty ratio is 3 to 65%, an open is detected in the F

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