Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

Hybrid Control System

Symptom

Suspected Area

Link

Cannot enter EV mode

CAN Communication System

Pattern Select Switch EV Mode Circuit

EV mode switch (electric parking brake switch assembly)

Combination meter assembly

Cannot enter Sport/Eco/Normal mode

CAN Communication System

Drive mode select switch (combination switch assembly)

Drive Mode Select Switch Circuit

Combination meter assembly

Shift range position cannot be changed by shifting to "+" or "-"

Transmission Control Switch Circuit

Shift Paddle Switch Circuit

Hunting (Poor idle)

Drive Start Control

Hesitation and/or poor acceleration

Brake Override System

Drive Start Control

Shift position indicator is malfunctioning

Indicator Circuit

Ignition switch does not turn to ON (READY)

Smart Key System (for Start Function)

ECU Power Source Circuit (Hybrid Control System)

Hybrid vehicle control ECU

ECM

Loud rattle from hybrid vehicle transaxle

Check idle learning

Transmission input damper assembly

Hybrid vehicle transaxle assembly

Engine misfire

-

"Maintenance Required for Traction Battery Cooling Parts See Owner's Manual" is displayed on the multi-information display.

Make sure the HV battery cooling system intake port is not blocked.

-

Make sure there are no gaps between the connecting parts of the ducts.

-

Clean the No. 1 HV battery intake filter.

Check for entry of foreign matter.

Abnormal sound is heard from the area around the No. 1 hybrid battery intake duct.

Make sure the HV battery cooling system intake port is not blocked.

-

Make sure there are no gaps between the connecting parts of the ducts.

-

Clean the No. 1 HV battery intake filter.

Check for entry of foreign matter.

"Have Traction Battery Inspected" is displayed on the multi-information display.

"Have Traction Battery Inspected" is displayed.

    READ NEXT:

     Terminals Of Ecu

    TERMINALS OF ECU HYBRID VEHICLE CONTROL ECU Connector Code Terminal No. Symbol Terminal Description I249 1 E1 ECU ground 2 - - 3 S

     Diagnosis System

    DIAGNOSIS SYSTEM DESCRIPTION (a) The hybrid vehicle control ECU has a self-diagnosis system. If the computer, Hybrid Control System, or a component is not working properly, the ECU records the conditi

     Dtc Check / Clear

    DTC CHECK / CLEAR CHECK FOR DTCS (a) Check the DTCs and freeze frame data, and then write them down. Powertrain > Hybrid Control > Trouble Codes (b) Check the details of the DTCs. Disp

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     Initialization

    INITIALIZATION DESCRIPTION (a) Zero point of the occupant classification sensors may deviate in the following situations. To ensure sensor accuracy, be sure to perform Occupant Detection Sensor Zero Point Calibration. The airbag ECU assembly is replaced. HINT: As the zero point is not auto

     VEHICLE CONTROL HISTORY (RoB)

    VEHICLE CONTROL HISTORY (RoB) CHECK VEHICLE CONTROL HISTORY (RoB) (a) Enter the following menus. Powertrain > Engine > Utility Tester Display Vehicle Control History (RoB) Vehicle Control History (RoB) Item Code Tester Display

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