Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM100000001HF46
Model Year Start: 2020 Model: GR Corolla Prod Date Range: [01/2019 - 09/2019]
Title: TELEMATICS: TELEMATICS SYSTEM (for Gasoline Model): Remote Service Malfunction; 2020 MY Corolla Corolla Hatchback GR Corolla [01/2019 - 09/2019]

Remote Service Malfunction

PROCEDURE

1.

CHECK CAN COMMUNICATION SYSTEM

(a) Connect the Techstream to the DLC3.

(b) Turn the engine switch on (IG).

(c) Turn the Techstream on.

(d) Enter the following menus: Bus Check.

Click here 2019 - 2022 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2022]; NETWORKING: CAN COMMUNICATION SYSTEM (for Gasoline Model): HOW TO PROCEED WITH TROUBLESHOOTING

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

Result

Proceed to

There are no connection problems.

A

There is a connection problem.

B
B

GO TO CAN COMMUNICATION SYSTEM

A

2.

CHECK DTC OUTPUT

(a) Connect the Techstream to the DLC3.

(b) Turn the engine switch on (IG).

(c) Turn the Techstream on.

(d) Enter the following menus: Health Check.

(e) Check for DTCs.

Result

Proceed to

DTCs are not output.

A

DTCs are output.

B
B

INSPECT EACH ECU SYSTEM
A

3.

CHECK OPERATION OF EACH SYSTEM

(a) Check that each system related to Toyota Entune Remote Connect operates normally.

(1) Check power door lock control system

Click here 2019 - 2022 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2022]; DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM (for Hatchback, Gasoline Model): HOW TO PROCEED WITH TROUBLESHOOTING

(2) Check smart key system (for Entry Function)

Click here 2019 - 2022 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2022]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Entry Function, Gasoline Model): HOW TO PROCEED WITH TROUBLESHOOTING

(3) Check smart key system (for Start Function)

Click here 2020 - 2022 MY Corolla Corolla Hatchback GR Corolla [01/2019 - 09/2022]; THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Start Function, Gasoline Model): HOW TO PROCEED WITH TROUBLESHOOTING

(4) Check theft deterrent system

Click here 2020 - 2022 MY Corolla Corolla Hatchback GR Corolla [01/2019 - 09/2022]; THEFT DETERRENT / KEYLESS ENTRY: THEFT DETERRENT SYSTEM (for Gasoline Model): HOW TO PROCEED WITH TROUBLESHOOTING

(5) Check lighting system (INT)

Click here 2019 - 2022 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2022]; LIGHTING (INT): LIGHTING SYSTEM (for Gasoline Model): HOW TO PROCEED WITH TROUBLESHOOTING

(6) Check meter/gauge system

Click here 2019 - 2022 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2022]; METER / GAUGE / DISPLAY: METER / GAUGE SYSTEM (for Gasoline Model): HOW TO PROCEED WITH TROUBLESHOOTING

(7) Check air conditioning system

Click here 2019 - 2022 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2022]; HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM (for Gasoline Model with Automatic Air Conditioning System): HOW TO PROCEED WITH TROUBLESHOOTING

(8) Check power window control system

Click here 2019 - 2022 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2022]; WINDOW / GLASS: POWER WINDOW CONTROL SYSTEM (for Gasoline Model): HOW TO PROCEED WITH TROUBLESHOOTING

Click here

(9) Check lighting system (EXT)

Click here 2019 - 2022 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2022]; LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with AFS): HOW TO PROCEED WITH TROUBLESHOOTING

Result

Proceed to

All of the systems related to Toyota Entune Remote Connect operate normally.

A

Any system related to Toyota Entune Remote Connect does not operate normally.

B
B

GO TO ABNORMAL SYSTEM
A

4.

CHECK DCM OPERATION HISTORY

(a) Check DCM Operation History.

Body Electrical > Telematics > Utility

Tester Display

DCM Operation History
NEXT

CONTACT SERVICE CENTER