Main Beam (High Beam) Indicator Symptom Diagnosis

MAIN BEAM (HIGH BEAM) INDICATOR SYMPTOM DIAGNOSIS

Condition	Possible Cause	Action
Main beam (high beam) indicator does not come ON	Circuit fuse blown	Replace fuse and check for short circuit .
	Data (information) cannot be received by CAN communication	Check BCM for DTC referring to DTC CHECK .
	Relay faulty	Replace relay
	Combination switch faulty	Check combination switch referring to HEADLIGHT SWITCH (IN LIGHTING SWITCH) INSPECTION .
	Wiring or ground faulty	Repair circuit .
	Combination meter faulty	Replace combination meter .
	BCM faulty	Replace after making sure that none of above parts is faulty .
Main beam (high beam) indicator stay ON	Data (information) cannot be received by CAN communication	Check BCM for DTC referring to DTC CHECK .
	Combination switch faulty	Check combination switch referring to HEADLIGHT SWITCH (IN LIGHTING SWITCH) INSPECTION .
	Wiring or ground faulty	Repair circuit .
	Combination meter faulty	Replace combination meter .
	BCM faulty	Replace after making sure that none of above parts is faulty .