Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM100000001BH7N
Model Year Start: 2019 Model: GR Corolla Prod Date Range: [06/2018 - 09/2019]
Title: CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM (for Gasoline Model): GREEN AND RED INDICATORS DO NOT COME ON WHEN IG-ON; 2019 - 2020 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2019]

GREEN AND RED INDICATORS DO NOT COME ON WHEN IG-ON

DESCRIPTION

If the red and green indicators fail to illuminate after the engine switch is turned on (IG), the vehicle does not recognize the DCM (Telematics Transceiver). The DCM (Telematics Transceiver) connectors may have been disconnected or the DCM (Telematics Transceiver) is malfunctioning.

PROCEDURE

1.

HEALTH CHECK

(a) Turn the engine switch off.

(b) Connect the Techstream to the DLC3.

(c) Turn the engine switch on (IG) and wait for 10 seconds.

(d) Turn the Techstream on.

(e) Perform "Health Check" using the Techstream and check that Telematics (Safety Connect) is listed on "Health Check Result".

Click here 2019 - 2020 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2019]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM (for Gasoline Model): HEALTH CHECK

Result

Proceed to

"Telematics" is displayed on the Techstream

A

"Telematics" is not displayed on the Techstream

B

B

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

A

2.

CHECK DTC

(a) Turn the engine switch off.

(b) Connect the Techstream to the DLC3.

(c) Turn the engine switch on (IG) and wait for 10 seconds.

(d) Turn the Techstream on.

(e) Check current DTCs and history DTCs.

Click here 2019 - 2020 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2019]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM (for Gasoline Model): DTC CHECK / CLEAR

Result

Proceed to

DTCs are not output

A

DTCs are output

B

A

CHECK FOR INTERMITTENT PROBLEMS

B

GO TO DIAGNOSTIC TROUBLE CODE CHART 2019 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 01/2019]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM (for Gasoline Model): DIAGNOSTIC TROUBLE CODE CHART 2020 MY Corolla Corolla Hatchback GR Corolla [01/2019 - 09/2019]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM (for Gasoline Model): DIAGNOSTIC TROUBLE CODE CHART