Last Modified: 05-13-2024 6.11:8.1.0 Doc ID: RM100000001CKQG
Model Year Start: 2019 Model: Corolla Hatchback Prod Date Range: [06/2018 - 03/2019]
Title: M20A-FKS (BATTERY / CHARGING): CHARGING SYSTEM: Charging Failure; 2019 - 2020 MY Corolla Corolla Hatchback [06/2018 - 03/2019]

Charging Failure

PROCEDURE

1.

CHECK GENERATOR PULLEY WITH CLUTCH (ON-VEHICLE INSPECTION)

(a) Start the engine and visually check that the generator rotor assembly (fan) in the generator assembly is operating.

OK:

The generator rotor assembly (fan) is operating.

NG

REPLACE GENERATOR PULLEY WITH CLUTCH

for Manual Transaxle: Click here 2019 - 2022 MY Corolla Corolla Hatchback [06/2018 - 09/2022]; M20A-FKS (BATTERY / CHARGING): GENERATOR (for Transaxle M/T with Denso Made Generator): DISASSEMBLY

for CVT: Click here 2019 - 2023 MY Corolla Corolla Hatchback [06/2018 - 03/2023]; M20A-FKS (BATTERY / CHARGING): GENERATOR (for Transaxle CVT with Denso Made Generator): DISASSEMBLY

OK

2.

CHECK GENERATOR PULLEY WITH CLUTCH (UNIT INSPECTION)

(a) Remove the generator assembly.

for Manual Transaxle: Click here 2019 MY Corolla Corolla Hatchback [06/2018 - 01/2019]; M20A-FKS (BATTERY / CHARGING): GENERATOR (for Transaxle M/T with Denso Made Generator): REMOVAL 2020 MY Corolla Corolla Hatchback [01/2019 - 03/2019]; M20A-FKS (BATTERY / CHARGING): GENERATOR (for Transaxle M/T with Denso Made Generator): REMOVAL

for CVT: Click here 2019 MY Corolla Corolla Hatchback [06/2018 - 01/2019]; M20A-FKS (BATTERY / CHARGING): GENERATOR (for Transaxle CVT with Denso Made Generator): REMOVAL 2020 MY Corolla Corolla Hatchback [01/2019 - 03/2019]; M20A-FKS (BATTERY / CHARGING): GENERATOR (for Transaxle CVT with Denso Made Generator): REMOVAL

(b) Check the installation condition of the generator pulley cap.

OK:

The generator pulley cap is not loose or missing.

(c) Check for forming of particles due to friction (for dry type pulley) or grease leaks (for wet type pulley).

OK:

There are no large amounts of particles (for dry type pulley) or grease leaks (for wet type pulley).

(d) Check the generator pulley with clutch for misalignment (interference with the generator assembly).

OK:

The generator pulley with clutch is not misaligned (no interference with the generator assembly).

(e) Turn the generator pulley with clutch clockwise and counterclockwise by hand and check for noise.

OK:

Noise does not occur when turned in either direction.

(f) Turn the generator pulley with clutch clockwise and counterclockwise by hand and visually check for runout.

OK:

The generator pulley with clutch does not have runout.

(g) Inspect generator pulley with clutch.

for Manual Transaxle: Click here 2019 - 2022 MY Corolla Corolla Hatchback [06/2018 - 09/2022]; M20A-FKS (BATTERY / CHARGING): GENERATOR (for Transaxle M/T with Denso Made Generator): ON-VEHICLE INSPECTION+

for CVT: Click here 2019 - 2023 MY Corolla Corolla Hatchback [06/2018 - 03/2023]; M20A-FKS (BATTERY / CHARGING): GENERATOR (for Transaxle CVT with Denso Made Generator): ON-VEHICLE INSPECTION+

OK

REPAIR OR REPLACE GENERATOR ASSEMBLY

for Manual Transaxle: Click here 2019 MY Corolla Corolla Hatchback [06/2018 - 01/2019]; M20A-FKS (BATTERY / CHARGING): GENERATOR (for Transaxle M/T with Denso Made Generator): REMOVAL 2020 MY Corolla Corolla Hatchback [01/2019 - 03/2019]; M20A-FKS (BATTERY / CHARGING): GENERATOR (for Transaxle M/T with Denso Made Generator): REMOVAL

for CVT: Click here 2019 MY Corolla Corolla Hatchback [06/2018 - 01/2019]; M20A-FKS (BATTERY / CHARGING): GENERATOR (for Transaxle CVT with Denso Made Generator): REMOVAL 2020 MY Corolla Corolla Hatchback [01/2019 - 03/2019]; M20A-FKS (BATTERY / CHARGING): GENERATOR (for Transaxle CVT with Denso Made Generator): REMOVAL

NG

REPLACE GENERATOR PULLEY WITH CLUTCH

for Manual Transaxle: Click here 2019 - 2022 MY Corolla Corolla Hatchback [06/2018 - 09/2022]; M20A-FKS (BATTERY / CHARGING): GENERATOR (for Transaxle M/T with Denso Made Generator): DISASSEMBLY

for CVT: Click here 2019 - 2023 MY Corolla Corolla Hatchback [06/2018 - 03/2023]; M20A-FKS (BATTERY / CHARGING): GENERATOR (for Transaxle CVT with Denso Made Generator): DISASSEMBLY