Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

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.
Entire System

Symptom

Suspected Area

Link

System does not operate at all

Check that the CAN communication system is operating normally*1

Check that the CAN communication system is operating normally*2

Check that the Smart Key System (for Start Function) is operating normally

-

Check that the audio and visual system is operating normally

-

Proceed to "Power Source Circuit"

Blind spot monitor sensor LH (B)

System cannot be turned off

Check that the CAN communication system is operating normally*1

Check that the CAN communication system is operating normally*2

Check that the audio and visual system is operating normally

-

Blind spot monitor sensor LH (B)

"[Blind Spot Monitor System icon] System Malfunction Visit Your Dealer" or "[Blind Spot Monitor System icon] System Stopped See Owner's Manual" is displayed on the multi-information display

Check vehicle control history (RoB)

Blind spot monitor sensor RH (A)

Blind spot monitor sensor LH (B)

Combination meter assembly

"[Rear Cross Traffic Alert Buzzer System icon] System Malfunction Visit Your Dealer" or "[Rear Cross Traffic Alert Buzzer System icon] System Stopped See Owner's Manual" is displayed on the multi-information display

Check vehicle control history (RoB)

Blind spot monitor sensor RH (A)

Blind spot monitor sensor LH (B)

Combination meter assembly

"[Safe Exit Assist System icon] System Malfunction Visit Your Dealer" or "[Safe Exit Assist System icon] System Stopped See Owner's Manual" is displayed on the multi-information display

Check vehicle control history (RoB)

Blind spot monitor sensor RH (A)

Blind spot monitor sensor LH (B)

Combination meter assembly

  • *1: for HEV Model
  • *2: for Gasoline Model
Blind Spot Monitor Function

Symptom

Suspected Area

Link

Outer rear view mirror indicator RH does not illuminate

Proceed to "Blind Spot Monitor Beam Axis Confirmation"

Outer mirror RH

Outer mirror retractor RH

Blind spot monitor sensor RH (A)

Outer rear view mirror indicator LH does not illuminate

Proceed to "Blind Spot Monitor Beam Axis Confirmation"

Outer mirror LH

Outer mirror retractor LH

Blind spot monitor sensor LH (B)

Outer rear view mirror indicator RH remains illuminated

Proceed to "Blind Spot Monitor Beam Axis Confirmation"

Blind spot monitor sensor RH (A)

Outer rear view mirror indicator LH remains illuminated

Proceed to "Blind Spot Monitor Beam Axis Confirmation"

Blind spot monitor sensor LH (B)

Outer rear view mirror indicator RH does not flash

Proceed to "Turn Signal Light" in Problem Symptoms Table for the Lighting (EXT) section*1

Proceed to "Turn Signal Light" in Problem Symptoms Table for the Lighting (EXT) section*2

Blind spot monitor sensor RH (A)

Outer rear view mirror indicator LH does not flash

Proceed to "Turn Signal Light" in Problem Symptoms Table for the Lighting (EXT) section*1

Proceed to "Turn Signal Light" in Problem Symptoms Table for the Lighting (EXT) section*2

Blind spot monitor sensor LH (B)

Outer rear view mirror indicator RH continues to flash

Blind spot monitor sensor RH (A)

Outer rear view mirror indicator LH continues to flash

Blind spot monitor sensor LH (B)

  • *1: w/ AFS
  • *2: w/o AFS
SEA (Safe Exit Assist) Function

Symptom

Suspected Area

Link

Safe exit assist system does not operate

Check that the meter / gauge system is operating normally

-

When the safe exit assist system is operating, the outer rear view mirror indicator illuminates and a notification is displayed on the multi-information display, but the buzzer does not sound

Check meter buzzer operation

Blind spot monitor sensor RH (A)

Blind spot monitor sensor LH (B)

Even though the outer rear view mirror indicator is illuminated when the vehicle is stopped, the outer rear view mirror indicator does not flash, a notification is not displayed on the multi-display and the buzzer does not sound when a door is opened

Check that the door courtesy switch of each door is not stuck (If stuck, refer to the problem symptoms table of lighting system (interior))

Blind spot monitor sensor RH (A)

Blind spot monitor sensor LH (B)

Even though the vehicle is stopped and all doors are closed, the outer rear view mirror indicator flashes, a notification is displayed on the multi-display and the buzzer sounds

Check that the door courtesy switch of each door is not stuck (If stuck, refer to the problem symptoms table of lighting system (interior))

Blind spot monitor sensor RH (A)

Blind spot monitor sensor LH (B)

When a door open operation is canceled by the safe exit assist system, even though the outer rear view mirror indicator flashes, a notification is displayed on the multi-display and the buzzer sounds, an audio notification is not output.

Check that the navigation system is operating normally (audio notification volume setting is appropriate, multimedia ACC customize setting is off)

-

Check the unlatch cancel operation with IGR ON

Check the audio notification within 1 minute after IGR is set to OFF

-

Check that audio notification is performed between 90 seconds and 150 seconds after IGR is set to OFF

-

Blind spot monitor sensor RH (A)

Blind spot monitor sensor LH (B)

RCTA Function

Symptom

Suspected Area

Link

Function does not operate at all

(Blind spot monitor function operates normally)

Data list / active test (Shift Position R)

Check that the Hybrid control system is operating normally*1

-

Check that the SFI control system is operating normally*2

-

Blind spot monitor sensor RH (A)

While RCTA function is active, outer rear view mirror indicator flashes but RCTA buzzer does not sound

Check that the CAN communication system is operating normally*1

Check that the CAN communication system is operating normally*2

Check that the meter / gauge system is operating normally

-

Blind spot monitor sensor LH (B)

When shift position is in R, detection operation is normal but RCTA indicator does not appear on radio and display receiver assembly

Check that the CAN communication system is operating normally*1

Check that the CAN communication system is operating normally*2

Check that the parking assist monitor system is operating normally*3

-

Check that the audio and visual system is operating normally

-

Blind spot monitor sensor RH (A)

Blind spot monitor sensor LH (B)

Radio and display receiver assembly

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

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