| Last Modified: 07-31-2024 | 6.11:8.1.0 | Doc ID: RM1000000025XYQ |
| Model Year Start: 2023 | Model: Corolla | Prod Date Range: [09/2022 - ] |
| Title: 2ZR-FXE (ENGINE CONTROL): ECM: INSTALLATION; 2023 - 2025 MY Corolla Corolla HV [09/2022 - ] | ||
INSTALLATION
CAUTION / NOTICE / HINT
NOTICE:
- After replacing the ECM, make sure to perform vehicle identification number (vin) registration, ECU configuration and update ECU security key.
- After performing the vehicle identification number (vin) registration, ECU configuration procedure and update ECU security key procedure, make sure to perform the initialization procedure for when the cable has been disconnected and reconnected to the negative (-) auxiliary battery terminal.
PROCEDURE
1. INSTALL NO. 2 ECM BRACKET
(a) Install the No. 2 ECM bracket to the ECM with the 2 screws.
Torque:
4.5 N·m {46 kgf·cm, 40 in·lbf}
2. INSTALL NO. 1 ECM BRACKET
(a) Install the No. 1 ECM bracket to the ECM with the 2 screws.
Torque:
4.5 N·m {46 kgf·cm, 40 in·lbf}
3. INSTALL ECM
(a) Install the ECM to the engine mounting insulator LH with the 2 nuts.
Torque:
8.0 N·m {82 kgf·cm, 71 in·lbf}
NOTICE:
If the ECM has been struck or dropped, replace it.
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(b) Engage the 2 clamps. |
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(c) Connect the 2 ECM connectors and lower the 2 levers.
NOTICE:
- When connecting the ECM connectors, make sure that the connecting parts of the ECM connectors are free of dirt, water or other foreign matter.
- Be sure to securely connect the ECM connectors.
4. INSTALL AUXILIARY BATTERY
Click here
![2023 - 2025 MY Corolla Corolla HV [09/2022 - ]; MAINTENANCE: 2ZR-FXE AUXILIARY BATTERY: INSTALLATION](/t3Portal/stylegraphics/info.gif)
5. VEHICLE IDENTIFICATION NUMBER (VIN) REGISTRATION
Click here
6. ECU CONFIGURATION
Click here
7. UPDATE ECU SECURITY KEY
Click here
8. INITIALIZATION AFTER RECONNECTING AUXILIARY BATTERY TERMINAL
HINT:
When disconnecting and reconnecting the auxiliary battery, there is an automatic learning function that completes learning when the respective system is used.
Click here
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