Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: Swivel Motor LH Malfunction (B241200,B241300,B241700,B241800)

Toyota Corolla Cross (2022-2025) Service Manual / Vehicle Exterior / Lighting (ext) / Lighting System (w/ Afs) / Swivel Motor LH Malfunction (B241200,B241300,B241700,B241800)

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

B241200

Swivel Motor LH Malfunction

 Detection condition:
  • The ignition switch is ON
Malfunction status:
  • Headlight swivel and leveling motor malfunction detected
Malfunction duration:
  • -
  • Headlight unit assembly LH
  • Headlight ECU subassembly LH

B241300

Swivel Motor RH Malfunction

 Detection condition:
  • The ignition switch is ON
Malfunction status:
  • Headlight swivel and leveling motor malfunction detected
Malfunction duration:
  • -
  • Headlight unit assembly RH
  • Headlight ECU subassembly RH

B241700

Leveling Motor LH Malfunction

 Detection condition:
  • The ignition switch is ON
Malfunction status:
  • Headlight swivel and leveling motor malfunction detected
Malfunction duration:
  • -
  • Headlight unit assembly LH
  • Headlight ECU subassembly LH

B241800

Leveling Motor RH Malfunction

 Detection condition:
  • The ignition switch is ON
Malfunction status:
  • Headlight swivel and leveling motor malfunction detected
Malfunction duration:
  • -
  • Headlight unit assembly RH
  • Headlight ECU subassembly RH

WIRING DIAGRAM

PROCEDURE

1.

CLEAR DTC

(a) Clear the DTCs.

Body Electrical > Headlight Control > Clear DTCs
NEXT

2.

CHECK FOR DTC

(a) Check for DTCs.

Body Electrical > Headlight Control > Trouble Codes

OK:

DTC B241200, B241300, B241700 and B241800 are not output.

Result

Proceed to

DTCs are not output

A

B241200 or B241700 is output

B

B241300 or B241800 is output

C
A

USE SIMULATION METHOD TO CHECK

B

REPLACE HEADLIGHT ASSEMBLY LH

C

REPLACE HEADLIGHT ASSEMBLY RH

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