Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM100000001GLOL
Model Year Start: 2020 Model: Corolla Prod Date Range: [01/2019 - 09/2022]
Title: 2ZR-FXE (BATTERY / CHARGING): BATTERY CURRENT SENSOR: REMOVAL; 2020 - 2022 MY Corolla Corolla HV [01/2019 - 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 battery state sensor assembly removal/installation are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced

Replaced Part or Performed Procedure

Necessary Procedure

Effect/Inoperative Function when Necessary Procedure not Performed

Link

Auxiliary battery terminal is disconnected/reconnected

Perform steering sensor zero point calibration

Lane Control System (for HV Model)

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

Pre-collision System (for HV Model)

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 BATTERY STATE SENSOR ASSEMBLY

(a) Disengage the 2 claws and disconnect the wire harness from the battery current sensor holder.

(b) Disconnect the battery state sensor assembly connector.

(c) Remove the nut and disconnect the engine wire from the battery state sensor assembly.

NOTICE:

When disconnecting the engine wire, some systems need to be initialized after the engine wire is reconnected.

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(d) Loosen the nut and remove the battery state sensor assembly from the auxiliary battery.

(e) Disengage the 2 claws to remove the battery state sensor assembly from the battery current sensor holder.