Last Modified: 05-13-2024 |
6.11:8.1.0 |
Doc ID: RM100000001GCPI |
Model Year Start: 2020 |
Model: Corolla |
Prod Date Range: [01/2019 - 04/2020] |
Title: HYBRID / BATTERY CONTROL: HYBRID VEHICLE CONTROL ECU: REMOVAL; 2020 MY Corolla Corolla HV [01/2019 - 04/2020] |
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 hybrid vehicle control ECU 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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Auxiliary battery terminal is disconnected/reconnected
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Perform steering sensor zero point calibration
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Lane Control System
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Pre-collision System
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Replacement of hybrid vehicle control ECU
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Code registration (Smart Key System (for Start Function))
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Wireless Door Lock Control System
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Smart Key System (for Entry Function)
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Smart Key System (for Start Function)
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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))
PROCEDURE
1. DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL
Click here
2. REMOVE ECU INTEGRATION BOX RH
Click here
3. REMOVE HYBRID VEHICLE CONTROL ECU
(a) Disengage the 2 claws and remove the hybrid vehicle control ECU from the ECU integration box RH.
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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