Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

NOTICE:

  • 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.
General

Symptom

Suspected Area

Link

System does not operate at all

Intuitive parking assist system

CAN communication system*1

CAN communication system*2

Audio and Visual System

Clearance warning ECU assembly

Blind spot monitor system*3

  • *1: for HEV Model
  • *2: for Gasoline Model
  • *3: w/ Blind Spot Monitor System
Sonar Function

Symptom

Suspected Area

Link

Detection function operates when the operating conditions are not met

Hybrid control system*1

-

SFI system*2

-

Brake actuator assembly (No. 2 skid control ECU)*1

Brake actuator assembly (skid control ECU)*2

Blind spot monitor system*3

Clearance warning ECU assembly

Detection function operates when vehicle is not within the required speed range (speedometer not malfunctioning)

CAN communication system*1

CAN communication system*2

Clearance warning ECU assembly

  • *1: for HEV Model
  • *2: for Gasoline Model
  • *3: w/ Blind Spot Monitor System
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

Audio and Visual System

Meter/gauge system

Clearance warning ECU assembly

Combination meter assembly

Blind spot monitor system*3

  • *1: for HEV Model
  • *2: for Gasoline Model
  • *3: w/ Blind Spot Monitor System
Display Function

Symptom

Suspected Area

Link

While the parking support brake system is operating, no parking support brake notifications are displayed on the multi-information display.

CAN communication system*1

CAN communication system*2

Clearance warning ECU assembly

Combination meter assembly

While the parking support brake system is operating, no parking support brake notifications are displayed on the radio and display receiver assembly.

CAN communication system*1

CAN communication system*2

Audio and Visual System

Clearance warning ECU assembly

Radio and display receiver assembly

"[Parking Support Brake System icon] System Malfunction Visit Your Dealer" is displayed

CAN communication system*1

CAN communication system*2

Combination meter assembly

Clearance warning ECU assembly

Blind spot monitor system*3

"[Parking Support Brake System icon] System Stopped See Owner's Manual" is displayed

CAN communication system*1

CAN communication system*2

Intuitive parking assist system

Combination meter assembly

Clearance warning ECU assembly

Blind spot monitor system*3

"[Parking Support Brake System icon] Parking Assist Unavailable Sensor Blocked" is displayed

Check that no foreign matter is attached to the ultrasonic sensors.

-

CAN communication system*1

CAN communication system*2

Intuitive parking assist system

Combination meter assembly

Clearance warning ECU assembly

Parking support brake system does not operate when there is a possibility of a collision (Warning message "[Parking Support Brake System icon] System Malfunction Visit Your Dealer" not displayed)

Check the installation of the ultrasonic sensors (front)

Check the installation of the ultrasonic sensors (rear)

Adjust the installation of the ultrasonic sensors as necessary.

Ultrasonic sensors (front)

Ultrasonic sensors (rear)

Clearance warning ECU assembly

Parking support brake system control operates when there is no possibility of a collision

Check the installation of the ultrasonic sensors (front)

Check the installation of the ultrasonic sensors (rear)

Adjust the installation of the ultrasonic sensors as necessary.

Ultrasonic sensors (front)

Ultrasonic sensors (rear)

Clearance warning ECU assembly

Parking support brake system control cannot be turned off (PKSB OFF indicator does not illuminate)

Combination meter assembly (LED): Perform Active Test (Indicat. Driving assist information indicator)

Radio and display receiver assembly

Clearance warning ECU assembly

Driving assist information indicator illuminates

Check that no foreign matter is attached to the ultrasonic sensors.

-

  • *1: for HEV Model
  • *2: for Gasoline Model
  • *3: w/ Blind Spot Monitor System

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