Toyota Corolla Cross: Headlight Ecu
READ NEXT:
PRECAUTION NOTICE: When disassembling the headlight assembly, use static electricity countermeasures SST (desktop anti-static mat set) and observe all precautions to prevent damage to the system by el
REMOVAL CAUTION / NOTICE / HINT COMPONENTS (REMOVAL)
Procedure Part Name Code
1 HEADLIGHT ASSEMBLY
- -
- -
2 HEADLIGHT ECU SUB-ASSEMBLY
-
INSTALLATION CAUTION / NOTICE / HINT COMPONENTS (INSTALLATION)
Procedure Part Name Code
1 HEADLIGHT ECU SUB-ASSEMBLY
-
- -
2 HEADLIGHT ASS
SEE MORE:
DESCRIPTION
Symptom
Trouble Area
Check CAN Communication Connection
CAN main bus line, CAN branch line or connector
Power source circuit of central gateway ECU (network gateway ECU)
Central gateway ECU (network gateway ECU) ground
DESCRIPTION The headlight ECU sub-assembly LH and headlight ECU sub-assembly RH internally boost the power supply voltage to ensure a constant supplied current for the Lo/Hi beam LED of their respective headlight.
By monitoring the LED power supply voltage, abnormal current and malfunctions can be
Precaution
Check CAN Communication Connection
