DRL System Symptom Diagnosis (If Equipped)

NOTE:

Use of SUZUKI scan tool makes it easy to check whether a faulty condition is on the input side or output side of BCM. For checking procedure, refer to SCAN TOOL DATA .
Check each part in the order from the top of the following list.

DRL SYSTEM SYMPTOM DIAGNOSIS

Condition	Possible Cause	Action
Headlight does not light when lighting switch is in OFF position and engine is running	Lighting switch faulty	Check lighting switch referring to HEADLIGHT SWITCH (IN LIGHTING SWITCH) INSPECTION .
	BCM faulty	Check BCM for function referring to BCM SELF-DIAGNOSIS FUNCTION .
	Wiring or grounding faulty	Repair circuit .
Headlight lights even if engine stop and lighting switch is OFF position	Lighting switch faulty	Check system referring to HEADLIGHT SWITCH (IN LIGHTING SWITCH) INSPECTION .
	Wiring or grounding faulty	Repair circuit .
	BCM faulty	Check BCM for function referring to BCM SELF-DIAGNOSIS FUNCTION .