| Last Modified: 07-31-2024 | 6.11:8.1.0 | Doc ID: RM1000000026CEJ |
| Model Year Start: 2023 | Model: GR Corolla | Prod Date Range: [09/2022 - ] |
| Title: SETUP: WHEN REPLACING OR REMOVING/INSTALLING PARTS: UPDATE ECU SECURITY KEY; 2023 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [09/2022 - ] | ||
UPDATE ECU SECURITY KEY
UPDATE ECU SECURITY KEY
NOTICE:
- It is necessary to log in to the Toyota server to perform an ECU security key update.
- Users other than Toyota dealers can log in with a guest account issued when an ECU is ordered.
(a) In accordance with the display on the GTS, perform Health Check.
(b) Check whether "ECU Security Key: Necessary" is displayed in the upper corner of the GTS screen.
(c) If "ECU Security Key: Necessary" is displayed, follow the prompts on the GTS screen to update the ECU security key.
(d) After ECU security key update is completed, perform Health Check in accordance with the display on the GTS.
(e) Check that "ECU security key: -" is displayed.
NOTICE:
If "ECU Security Key: Necessary" is displayed in the upper corner of the GTS screen, perform the ECU security key update again.
HINT:
If RoB is output, clear RoB.
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