| Last Modified: 05-13-2024 | 6.11:8.1.0 | Doc ID: RM100000001I1IY |
| Model Year Start: 2020 | Model: GR Corolla | Prod Date Range: [03/2019 - 09/2022] |
| Title: WIPER / WASHER: WIPER 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 windshield wiper relay assembly removal/installation are shown below.
Necessary Procedure After Parts Removed/Installed/Replaced (for Gasoline Model)
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Replaced Part or Performed Procedure |
Necessary Procedure |
Effect/Inoperative Function When Necessary Procedures are not Performed |
Link |
|---|---|---|---|
| *1: for Hatchback | |||
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Disconnect cable from negative (-) battery terminal |
Perform steering sensor zero point calibration |
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 |
Power Door Lock Control System (for Hatchback, Gasoline Model) |
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CAUTION:
Be sure to read Precaution thoroughly before servicing.
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![2020 MY Corolla Corolla Hatchback GR Corolla [01/2019 - 04/2020]; SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM (for TMC Made Gasoline Model): PRECAUTION](/t3Portal/stylegraphics/info.gif)
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))
Necessary Procedure After Parts Removed/Installed/Replaced (for HV Model)
|
Replaced Part or Performed Procedure |
Necessary Procedure |
Effect/Inoperative Function When Necessary Procedures are not Performed |
Link |
|---|---|---|---|
|
Disconnect cable from negative (-) auxiliary battery terminal |
Perform steering sensor zero point calibration |
Lane Control System (for HV Model) |
|
|
Pre-collision System (for HV Model) |
CAUTION:
Be sure to read Precaution thoroughly before servicing.
Click here
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. PRECAUTION
NOTICE:
After turning the engine switch off, waiting time may be required before disconnecting the cable from the negative (-) battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) battery terminal notices before proceeding with work.
2. REMOVE INSTRUMENT PANEL SAFETY PAD
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3. REMOVE WINDSHIELD WIPER RELAY ASSEMBLY
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(a) Disconnect the 2 connectors. |
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(b) Remove the nut. |
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(c) Disengage the guide to remove the windshield wiper relay assembly.
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