Last Modified: 07-31-2024 6.11:8.1.0 Doc ID: RM100000001AUMI
Model Year Start: 2019 Model: GR Corolla Prod Date Range: [06/2018 - 09/2022]
Title: LIGHTING (EXT): LIGHTING SYSTEM (for Gasoline Model with AFS): B2412,B2413,B2417,B2418; Headlight Swivel Motor LH; 2019 - 2022 MY Corolla Corolla Hatchback GR Corolla [06/2018 - 09/2022]

DTC

B2412

Headlight Swivel Motor LH

DTC

B2413

Headlight Swivel Motor RH

DTC

B2417

Headlight Beam Level Control Motor LH

DTC

B2418

Headlight Beam Level Control Motor RH

DESCRIPTION

The headlight ECU sub-assembly LH sends automatic headlight beam level control signals to each headlight swivel and leveling motor via LIN communication.

Each headlight ECU sub-assembly and headlight swivel and leveling motor communicate via LIN communication.

The headlight swivel and leveling motor operates according to power supplied and automatic headlight beam level control signals from its respective headlight ECU sub-assembly and sends its operating state to the headlight ECU sub-assembly.

The headlight ECU sub-assembly LH stores a DTC if it detects that a headlight swivel and leveling motor is malfunctioning.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

DTC Output from

B2412

Headlight Swivel Motor LH

Detection condition:

  • The engine switch is on (IG).

Malfunction status:

  • Headlight swivel and leveling motor malfunction detected

Malfunction duration:

  • -

Headlight unit assembly LH

AFS

B2413

Headlight Swivel Motor RH

Detection condition:

  • The engine switch is on (IG).

Malfunction status:

  • Headlight swivel and leveling motor malfunction detected

Malfunction duration:

  • -

Headlight unit assembly RH

AFS

B2417

Headlight Beam Level Control Motor LH

Detection condition:

  • The engine switch is on (IG).

Malfunction status:

  • Headlight swivel and leveling motor malfunction detected

Malfunction duration:

  • -

Headlight unit assembly LH

AFS

B2418

Headlight Beam Level Control Motor RH

Detection condition:

  • The engine switch is on (IG).

Malfunction status:

  • Headlight swivel and leveling motor malfunction detected

Malfunction duration:

  • -

Headlight unit assembly RH

AFS

WIRING DIAGRAM

PROCEDURE

1.

CLEAR DTC

(a) Connect the Techstream to the DLC3.

(b) Turn the engine switch on (IG).

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / AFS / Trouble Codes.

(e) Clear the DTCs.

Body Electrical > AFS > Clear DTCs

NEXT

2.

CHECK FOR DTC

(a) Connect the Techstream to the DLC3.

(b) Turn the engine switch on (IG).

(c) Turn the Techstream on.

(d) Enter the following menus: Body Electrical / AFS / Trouble Codes.

(e) Check for DTCs.

Body Electrical > AFS > Trouble Codes

OK:

DTC B2412, B2413, B2417 and B2418 are not output.

Result

Proceed to

OK

A

NG (DTC B2412 and B2417 are output)

B

NG (DTC B2413 and B2418 are output)

C
A

USE SIMULATION METHOD TO CHECK

B

REPLACE HEADLIGHT UNIT ASSEMBLY LH 2019 MY Corolla Corolla Hatchback Corolla HV GR Corolla [06/2018 - 01/2019]; LIGHTING (EXT): HEADLIGHT ASSEMBLY: DISASSEMBLY 2020 MY Corolla Corolla Hatchback Corolla HV GR Corolla [01/2019 - 03/2019]; LIGHTING (EXT): HEADLIGHT ASSEMBLY: DISASSEMBLY 2020 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [03/2019 - 09/2022]; LIGHTING (EXT): HEADLIGHT ASSEMBLY: DISASSEMBLY

C

REPLACE HEADLIGHT UNIT ASSEMBLY RH 2019 MY Corolla Corolla Hatchback Corolla HV GR Corolla [06/2018 - 01/2019]; LIGHTING (EXT): HEADLIGHT ASSEMBLY: DISASSEMBLY 2020 MY Corolla Corolla Hatchback Corolla HV GR Corolla [01/2019 - 03/2019]; LIGHTING (EXT): HEADLIGHT ASSEMBLY: DISASSEMBLY 2020 - 2022 MY Corolla Corolla Hatchback Corolla HV GR Corolla [03/2019 - 09/2022]; LIGHTING (EXT): HEADLIGHT ASSEMBLY: DISASSEMBLY