Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: Warning Notification Function Malfunction

PROCEDURE

1.

CHECK PROBLEM SYMPTOM (WARNING NOTIFICATION FUNCTION)

(a) Check the problem symptom.

(1) Check the problem symptom of the warning notification function.

Result

Proceed to

The multi-display screen does not show a warning message even though a warning light turns on or the multi-information display indicates a warning (for HEV Model).

A

The multi-display screen does not show a warning message even though a warning light turns on or the multi-information display indicates a warning (for Gasoline Model).

B

The multi-display screen shows a warning message even though a warning light is not on and the multi-information display does not indicate a warning.

C

The multi-display screen shows a warning message different from the warning light or the multi-information display.

HINT:

  • The warning notification function sends information to the service center through communication.
  • Carefully confirm the conditions that caused the malfunction in order to determine if a temporary problem with the radio wave signal conditions caused the malfunction.
B

GO TO STEP 6

C

GO TO STEP 8

A

2.

INSPECT WARNING LIGHT

(a) Check if the indicated warning light or message is listed in the following table.

HINT:

Only messages listed in the table are included in the warning notification function.

Warning Name

Engine warning

Brake system warning

VSC warning

ABS warning

ECB warning

EPS warning

Charging system warning

Airbag warning

PCS warning

Cruise warning

Intuitive parking assist system

Drive start control system

Brake override system warning

Smart key system warning

Front-lighting adaptive system warning

Automatic headlight beam level control system warning

Automatic high beam system warning

LED headlight warning

Transmission fluid temperature warning

4WD system warning

Tire pressure system warning

Electric parking brake warning

Auto hold warning

Blind spot monitor system warning

Advanced park warning

Secondary collision brake warning

Engine maintenance waring

LTA system warning

Flashing hazard light system warning

RSA system warning

RCTA warning

Power running board system warning

Engine oil level warning

Engine oil pressure warning

Tire pressure low warning

Washer fluid level warning

Engine oil maintenance warning

High coolant temperature warning

Maintenance advice warning

Engine shutdown forgotten warning

Hybrid control system warning

Acoustic vehicle alerting system warning

Brake fluid warning

Hybrid system temperature warning

Hybrid battery cooling fan maintenance warning

Result

Proceed to

Warning light or message is listed in the table.

A

Warning light or message is not listed in the table.

B

B

END

A

3.

CHECK CAN COMMUNICATION SYSTEM

(a) Enter the following menus: Bus Check.

(b) Check that all ECUs and sensors that use CAN communication are connected.

Click here

Result

Proceed to

There are no connection problems.

A

There is a connection problem.

B

B

GO TO CAN COMMUNICATION SYSTEM

A

4.

CHECK METER WARNING LIGHT

(a) Check that the warning light of the combination meter assembly illuminates and a message displays on the multi-information display when there is a malfunction, and do not when there is not a malfunction.

OK:

There are no problems with warning lights or warning messages.

HINT:

The warning notification function of the telematics system uses the warning notification signals sent and received by the meter/gauge system. Therefore, if the meter/gauge system is not operating normally, the warning notification function will not operate normally.

NG

GO TO METER / GAUGE SYSTEM

OK

5.

CHECK AUDIO AND VISUAL SYSTEM

(a) Check if the audio and visual system is operating and functioning normally.

OK:

The audio and visual system is normal.

OK

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

NG

GO TO AUDIO AND VISUAL SYSTEM

6.

INSPECT WARNING LIGHT

(a) Check if the indicated warning light or message is listed in the following table.

HINT:

Only messages listed in the table are included in the warning notification function.

Warning Name

Engine warning

Brake system warning

VSC warning

ABS warning

ECB warning

EPS warning

Charging system warning

Airbag warning

PCS warning

Cruise warning

Intuitive parking assist system warning

Drive start control system

Brake override system warning

Smart key system warning

Adaptive front-lighting system warning

Automatic high beam system warning

LED headlight warning

Transmission fluid temperature warning

Dynamic torque control AWD system warning

Tire pressure system warning

Electric parking brake warning

Auto hold warning

Blind spot monitor system warning

Engine stop and start system warning

Advanced park warning

Secondary collision brake warning

Engine maintenance warning

LTA system warning

RSA system warning

RCTA warning

Engine oil level warning

Brake fluid warning

Engine oil pressure warning

Tire pressure low warning

Washer fluid level warning

Engine oil maintenance warning

High coolant temperature warning

Maintenance advice warning

Engine shutdown forgotten warning

Result

Proceed to

Warning light or message is listed in the table.

A

Warning light or message is not listed in the table.

B

B

END

A

7.

CHECK CAN COMMUNICATION SYSTEM

(a) Enter the following menus: Bus Check.

(b) Check that all ECUs and sensors that use CAN communication are connected.

Click here

Result

Proceed to

There are no connection problems.

A

There is a connection problem.

B

A

GO TO STEP 4

B

GO TO CAN COMMUNICATION SYSTEM

8.

CHECK METER WARNING LIGHT

(a) Check that the warning light of the combination meter assembly illuminates and a message displays on the multi-information display when there is a malfunction, and do not when there is not a malfunction.

OK:

There are no problems with warning lights or warning messages.

HINT:

The warning notification function of the telematics system uses the warning notification signals sent and received by the meter/gauge system. Therefore, if the meter/gauge system is not operating normally, the warning notification function will not operate normally.

OK

REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY

NG

GO TO METER / GAUGE SYSTEM

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