| Last Modified: 05-13-2024 | 6.11:8.1.0 | Doc ID: RM100000001N4QA |
| Model Year Start: 2021 | Model: Corolla | Prod Date Range: [04/2020 - ] |
| Title: CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM (for HV Model): GREEN INDICATOR REMAINS OFF; 2021 - 2025 MY Corolla Corolla HV [04/2020 - ] | ||
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GREEN INDICATOR REMAINS OFF |
DESCRIPTION
After the power switch is turned on (IG), the DCM (telematics transceiver) will enter into self check mode. The manual (SOS) switch red indicator will illuminate for 2 seconds and turn off followed by the manual (SOS) switch green indicator illuminating and remaining on under normal operation. If neither the red nor green indicators remain on, verification of the subscription should be performed.
PROCEDURE
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1. |
CONFIRM GREEN INDICATOR COMES ON |
(a) After the power switch is turned on (IG) and the manual (SOS) switch red indicator has come on for 2 seconds, confirm that the manual (SOS) switch green indicator comes on for 2 seconds.
OK:
Green indicator comes on.
| NG |
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2. |
CONFIRM SUBSCRIPTION MODE |
(a) Confirm the indicator status 5 seconds after the power switch is turned on (IG).
|
Result |
Proceed to |
|---|---|
|
Green indicator remains on |
A |
|
Green indicator remains off |
B |
| A |
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3. |
INPUT VIN WITH TECHSTREAM |
(a) Turn the power switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the power switch on (IG) and wait for 10 seconds.
(d) Turn the Techstream on.
(e) Choose "Telematics" from the System Selection Menu, and then click "Utility".
(f) Click "VIN Synchronization" on the Utility Selection Menu.
Click here
![2021 - 2025 MY Corolla Corolla HV [04/2020 - ]; CELLULAR COMMUNICATION: SAFETY CONNECT SYSTEM (for HV Model): DCM ACTIVATION](/t3Portal/stylegraphics/info.gif)
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4. |
CONFIRM SUBSCRIPTION MODE |
(a) Confirm the indicator status at 5 seconds after the power switch is turned on (IG).
|
Result |
Proceed to |
|---|---|
|
Green indicator remains on |
A |
|
Green indicator remains off |
B |
| A |
|
END |
|
|
5. |
REPLACE DCM (TELEMATICS TRANSCEIVER) |
(a) Replace the DCM (telematics transceiver).
Click here
NOTICE:
- The power switch must be off.
- Do not exchange the DCM (telematics transceiver) with one from another vehicle.
| NEXT |
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6. |
CHECK DTC |
(a) Turn the power switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the power switch on (IG) and wait for 10 seconds or more.
(d) Turn the Techstream on.
(e) Clear the DTCs.
Body Electrical > Telematics > Clear DTCs
(f) Check for DTCs and check that no DTCs are output.
Body Electrical > Telematics > Trouble Codes
OK:
No DTCs are output.
| NG |
|
GO TO DIAGNOSTIC TROUBLE CODE CHART
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7. |
REPLACE DCM (TELEMATICS TRANSCEIVER) |
(a) Replace the DCM (telematics transceiver).
Click here
NOTICE:
- The power switch must be off.
- Do not exchange the DCM (telematics transceiver) with one from another vehicle.
| NEXT |
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