Last Modified: 05-13-2024 |
6.11:8.1.0 |
Doc ID: RM1000000025Y0C |
Model Year Start: 2023 |
Model: GR Corolla |
Prod Date Range: [09/2022 - 11/2022] |
Title: G16E-GTS (ENGINE CONTROL): ECM: REMOVAL; 2023 MY GR Corolla [09/2022 - 11/2022] |
REMOVAL
CAUTION / NOTICE / HINT
The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during ECM removal/installation are shown below.
Necessary Procedures After Parts Removed/Installed/Replaced
Replaced Part or Performed Procedure
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Necessary Procedure
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Effect/Inoperative Function when Necessary Procedure not Performed
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Link
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Replacement of ECM
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Vehicle Identification Number (VIN) registration
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MIL comes on
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ECU configuration
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-
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Update ECU security key
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Vehicle Control History (RoB) are stored
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Heavy Knock History
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-
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ECU communication ID registration (Immobiliser system)
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Engine start function
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Code registration (Smart Key System (for Gasoline Model, Start Function))
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-
Wireless Door Lock Control System (for Gasoline Model with Smart Key System)
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Smart Key System (for Gasoline Model, Entry Function)
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Smart Key System (for Gasoline Model, Start Function)
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Steering lock function*1
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NOTICE:
If the ECM has been struck or dropped, replace it.
HINT:
When the cable is disconnected / reconnected to the battery terminal, systems temporarily stop operating. However, each system has a function that completes learning the first time the system is used.
Learning completes when vehicle is driven
Effect/Inoperative Function when Necessary Procedure not Performed
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Necessary Procedure
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Link
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Front Camera System (for TMC Made)
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Drive the vehicle straight ahead at 35 km/h (22 mph) or more for 5 seconds or more.
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Learning completes when vehicle is operated normally
Effect/Inoperative Function when Necessary Procedure not Performed
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Necessary Procedure
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Link
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Power Door Lock Control System
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Perform door unlock operation with door control switch or electrical key transmitter sub-assembly switch.
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PROCEDURE
1. PRECAUTION
NOTICE:
After turning the engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal.
Click here
2. REMOVE DECK BOARD ASSEMBLY
Click here
3. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
Click here
4. REMOVE RADIATOR SUPPORT OPENING COVER
Click here
5. REMOVE INLET NO. 1 AIR CLEANER
Click here
6. REMOVE AIR CLEANER WITH AIR CLEANER HOSE
Click here
7. REMOVE ECM
(a) Disengage the 4 clamps.
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(b) Rotate the 3 lock levers while pushing the locks on the levers, and disconnect the 3 ECM connectors.
NOTICE:
After disconnecting the ECM connectors, make sure that dirt, water or other foreign matter does not contact the connecting parts of the ECM connectors.
(c) Remove the bolt, nut and ECM.
NOTICE:
If the ECM has been struck or dropped, replace it.
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8. REMOVE WIRE HARNESS CLAMP BRACKET
(a) Remove the bolt and wire harness clamp bracket from the ECM.
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9. REMOVE NO. 1 ECM BRACKET
(a) Remove the screw and No. 1 ECM bracket from the ECM.
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10. REMOVE NO. 2 ECM BRACKET
(a) Remove the screw and No. 2 ECM bracket from the ECM.
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