Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

NOTICE:

  • The vehicle is equipped with a Supplemental Restraint System (SRS) which includes components such as airbags. Before servicing (including removal or installation of parts), be sure to read the precaution for Supplemental Restraint System.

    Click here

  • When replacing the combination meter assembly, always replace it with a new one. If a combination meter assembly which was installed to another vehicle is used, the information stored in it will not match the information from the vehicle and a DTC may be stored.
  • When replacing the radio and display receiver assembly, always replace it with a new one. If a radio and display receiver assembly which was installed to another vehicle is used, the following may occur:
    • A communication malfunction DTC may be stored.
    • The radio and display receiver assembly may not operate normally.

HINT:

  • Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
  • Inspect the fuses and relays related to this system before inspecting the suspected areas below.
  • When an open circuit or frozen indication is displayed by the self-check function, check for DTCs and troubleshoot according to each inspection procedure.
General

Symptom

Suspected Area

Link

System does not operate at all

Proceed to "Clearance Warning ECU Power Source Circuit"

Meter/gauge system

-

CAN communication system*1

CAN communication system*2

Clearance warning ECU assembly

System cannot be turned off

CAN communication system*1

CAN communication system*2

Meter/gauge system

-

Steering pad switch assembly

Spiral cable sub-assembly

Clearance warning ECU assembly

  • *1: for HEV Model
  • *2: for Gasoline Model
Sonar Function

Symptom

Suspected Area

Link

Frozen indication is displayed in self-check function.

Proceed to "Sensor Frozen Indication (Dirty or Frozen)"

"[Intuitive Parking Assist System icon] System Malfunction Visit Your Dealer" is displayed

Calibration

Vehicle Control History (RoB)

Clearance warning ECU assembly

"[Intuitive Parking Assist System icon] System Stopped See Owner's Manual" is displayed

Vehicle Control History (RoB)

Clearance warning ECU assembly

Combination meter assembly (shift selection) operates normally, but detection operates when shift lever is in P, or detection does not operate when shift lever is in any position other than P (front sonar)

CAN communication system*1

CAN communication system*2

Clearance warning ECU assembly

Combination meter assembly (shift selection) operates normally, but detection operates when shift lever is not in R, or does not operate with shift lever in R (rear sonar)

CAN communication system*1

CAN communication system*2

Clearance warning ECU assembly

Combination meter assembly (speedometer) operates normally, but detection does not operate when vehicle speed meets operation condition, or detection operates when vehicle speed does not meet operation condition (front sonar)

CAN communication system*1

CAN communication system*2

Clearance warning ECU assembly

  • *1: for HEV Model
  • *2: for Gasoline Model
Buzzer Function

Symptom

Suspected Area

Link

Parking support brake system is normal but buzzer operation is intermittent

Check that the temporary mute or auto mute function is not operating

-

CAN communication system*1

CAN communication system*2

Meter/gauge system

-

Clearance warning ECU assembly

  • *1: for HEV Model
  • *2: for Gasoline Model
Display Function

Symptom

Suspected Area

Link

Detection operation is normal but all displays do not appear

CAN communication system*1

CAN communication system*2

Clearance warning ECU assembly

Detection operation is normal but sonar displays do not appear on multi-information display

CAN communication system*1

CAN communication system*2

Combination meter assembly

Clearance warning ECU assembly

Detection operation is normal but sonar displays do not appear on the radio and display receiver assembly

CAN communication system*1

CAN communication system*2

Radio and display receiver assembly

Rear television camera assembly*3

Clearance warning ECU assembly

  • *1: for HEV Model
  • *2: for Gasoline Model
  • *3: w/ Parking Assist Monitor System

    READ NEXT:

     Terminals Of Ecu

    TERMINALS OF ECU CLEARANCE WARNING ECU ASSEMBLY (a) Disconnect the I24 clearance warning ECU assembly connector. (b) Measure the voltage and resistance on the wire harness side connector accord

     Diagnosis System

    DIAGNOSIS SYSTEM DESCRIPTION (a) When troubleshooting a vehicle with a diagnosis system, the only difference from the usual troubleshooting procedure is connecting the GTS to the vehicle and rea

     Data List / Active Test

    DATA LIST / ACTIVE TEST CHECK USING GTS (DATA LIST) (a) Data List (1) Read the Data List according to the display on the GTS. Body Electrical > Clearance Warning > Data List Test

    SEE MORE:

     Inspection

    INSPECTION PROCEDURE 1. INSPECT DIRECT FUEL INJECTOR ASSEMBLY NOTICE: This inspection is for checking the direct fuel injector assembly for an open or short. Because the direct fuel injector assembly of this vehicle is a high-pressure type, fuel injection volume cannot be checked. (a) Measur

     Throttle/Pedal Position Sensor/Switch "E" Circuit Short to Battery (P212512)

    DESCRIPTION HINT: These DTCs relate to the accelerator pedal position sensor. Refer to DTC P212012. Click here DTC No. Detection Item DTC Detection Condition Trouble Area MIL Note P212512 Throttle/Pedal Position Sensor/Switch "E" Circuit Short to Battery Dia

    © 2020-2024 Copyright www.tcorollacross.com