Last Modified: 05-13-2024 |
6.11:8.1.0 |
Doc ID: RM100000001HZMK |
Model Year Start: 2020 |
Model: GR Corolla |
Prod Date Range: [03/2019 - 09/2022] |
Title: THEFT DETERRENT / KEYLESS ENTRY: CERTIFICATION ECU: REMOVAL; 2020 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [03/2019 - 09/2022] |
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 certification ECU (smart key ECU assembly) removal/installation are shown below.
Necessary Procedure After Parts Removed/Installed/Replaced (for HV Model)
Replaced Part or Performed Procedure
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Necessary Procedure
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Effect/Inoperative Function When Necessary Procedures are not Performed
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Link
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Disconnect cable from negative (-) auxiliary battery terminal
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Perform steering sensor zero point calibration
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Lane Control System (for HV Model)
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Pre-collision System (for HV Model)
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Certification ECU (Smart key ECU assembly)
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Code registration (Smart Key System (for Start Function, HV Model))
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Wireless Door Lock Control System (for HV Model)
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Smart Key System (for Entry Function, HV Model)
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Smart Key System (for Start Function, HV Model)
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Steering lock function
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NOTICE:
After the power switch is turned off, the radio and display receiver assembly records various types of memory and settings. As a result, after turning the power switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) auxiliary battery terminal. (for Audio and Visual System (for HV Model))
Necessary Procedure After Parts Removed/Installed/Replaced (for Gasoline Model)
Replaced Part or Performed Procedure
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Necessary Procedure
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Effect/Inoperative Function When Necessary Procedures are not Performed
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Link
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Disconnect cable from negative (-) battery terminal
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Perform steering sensor zero point calibration
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Lane Control System (for Gasoline Model)
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Pre-collision System (for Gasoline Model)
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Lighting System (w/ AFS)(EXT)
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Initialize back door lock*1
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Power Door Lock Control System (for Hatchback, Gasoline Model)
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Certification ECU (smart key ECU assembly)*2
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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
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NOTICE:
After the ignition switch is turned off, the radio and display receiver assembly records various types of memory and settings. As a result, after turning the ignition switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) battery terminal. (for Navigation System and Audio and Visual System (for Gasoline Model))
PROCEDURE
1. REMOVE NO. 1 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY
Click here
2. REMOVE LOWER CENTER INSTRUMENT PANEL FINISH PANEL
Click here
3. REMOVE FRONT DOOR SCUFF PLATE RH
HINT:
Use the same procedure as for the LH side.
Click here
4. REMOVE COWL SIDE TRIM SUB-ASSEMBLY RH
HINT:
Use the same procedure as for the LH side.
Click here
5. DISCONNECT FRONT DOOR OPENING TRIM WEATHERSTRIP RH
Click here
6. REMOVE NO. 2 INSTRUMENT SIDE PANEL
Click here
7. REMOVE CENTER INSTRUMENT CLUSTER FINISH PANEL SUB-ASSEMBLY
Click here
8. REMOVE AIR CONDITIONING CONTROL ASSEMBLY
Click here
9. REMOVE CENTER INSTRUMENT PANEL REGISTER ASSEMBLY
Click here
10. REMOVE INSTRUMENT CLUSTER FINISH PANEL GARNISH ASSEMBLY
Click here
11. REMOVE GLOVE COMPARTMENT DOOR ASSEMBLY
Click here
12. REMOVE LOWER NO. 2 INSTRUMENT PANEL FINISH PANEL
Click here
13. REMOVE ECU INTEGRATION BOX RH
Click here
14. REMOVE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)
(a) Disengage the 2 claws and remove the certification ECU (smart key ECU assembly) as shown in the illustration.
NOTICE:
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If the ECU integration box RH is deformed or damaged, replace it.
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Do not bend the 2 claws more than necessary.
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Remove in this Direction
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