Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM100000001HBGR
Model Year Start: 2020 Model: Corolla Prod Date Range: [01/2019 - 04/2020]
Title: 2ZR-FXE (COOLING): WATER PUMP: 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 engine water pump assembly removal/installation are shown below.

Necessary Procedure After Parts Removed/Installed/Replaced

Replaced Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function when Necessary Procedure not Performed

Link

Disconnect cable from negative auxiliary battery terminal

Perform steering sensor zero point calibration

Lane Control System

2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022]; PRE-COLLISION: PRE-COLLISION SYSTEM (for HV Model): INITIALIZATION

Pre-collision System

Replacement of inverter with converter assembly

Resolver learning
  • DTCs are stored
  • Slight vibration at a vehicle speed of 5 km/h (3 mph) or less
  • Shock or vibration during acceleration

2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022]; HYBRID / BATTERY CONTROL: MOTOR GENERATOR CONTROL SYSTEM (for NICKEL METAL HYDRIDE BATTERY): UTILITY

Replacement of hybrid vehicle transaxle assembly
  • Resolver learning
  • Initialize resolver

Replacement of ECM

Vehicle Identification Number (VIN) registration

MIL comes on

2020 - 2025 MY Corolla Corolla HV [01/2019 -        ]; 2ZR-FXE (ENGINE CONTROL): SFI SYSTEM: REGISTRATION

  • Replacement of throttle body assembly
  • Replacement of engine assembly
  • Gas leak from exhaust system is repaired

Inspection After Repair
  • Poor idle, etc.
  • Engine start function, etc.

2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022]; 2ZR-FXE (ENGINE CONTROL): SFI SYSTEM: INITIALIZATION

Front wheel alignment adjustment
  1. Clear zero point calibration data
  2. Perform yaw rate and acceleration sensor zero point calibration
  • DTCs are stored
  • ABS warning light illuminates
  • Brake warning light / yellow (minor malfunction) illuminates
  • Slip indicator light illuminates
  • VSC disabled or malfunctions

2020 - 2022 MY Corolla Corolla HV [01/2019 - 09/2022]; BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: ELECTRONICALLY CONTROLLED BRAKE SYSTEM (for HV Model): CALIBRATION

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. REMOVE ENGINE ASSEMBLY WITH TRANSAXLE

Click here 2020 MY Corolla Corolla HV [01/2019 - 04/2020]; 2ZR-FXE (ENGINE MECHANICAL): ENGINE ASSEMBLY: REMOVAL

2. REMOVE ENGINE WATER PUMP ASSEMBLY

(a) Disconnect the engine water pump assembly connector.

(b) Remove the 5 bolts and engine water pump assembly from the timing chain cover sub-assembly.

(c) Remove the gasket from the engine water pump assembly.