Lighting System Symptom Diagnosis

WARNING: This page is about a different car, the 2010 Suzuki Kizashi. However, it is still accessible from the selected car via links, so may be relevant.

LIGHTING SYSTEM SYMPTOM DIAGNOSIS CHART

Condition	Possible Cause	Action
Only one low-beam headlight lights up	Blown fuse	Replace fuse and check for short circuit .
	Blown bulb	Replace bulb .
	Faulty wiring or ground	Repair wiring .
Both low-beam headlights do not light up	Faulty system circuit (including relays and fuses)	Refer to LIGHTING SYSTEM CIRCUIT DIAGRAM .
	Faulty lighting and turn signal switch	Refer to LIGHTING AND TURN SIGNAL SWITCH INSPECTION .
	Blown bulbs	Replace bulbs if all above items are normal .
	Faulty wiring or ground	Repair wiring .
Only one high-beam headlight lights up	Blown fuse	Replace fuse and check for short circuit .
	Blown bulb	Replace bulb .
	Faulty wiring or ground	Repair wiring .
	Faulty DRL control module (if equipped)	Check system, see Inspection of DRL Control Module and Its Circuit .
Both high-beam headlights do not light up	Faulty system circuit (including relays and fuses)	Refer to LIGHTING SYSTEM CIRCUIT DIAGRAM .
	Blown bulbs	Replace bulbs .
	Faulty lighting and turn signal switch	Refer to LIGHTING AND TURN SIGNAL SWITCH INSPECTION .
	Faulty wiring or ground	Repair wiring .
	Faulty DRL control module (if equipped)	Check system, see Inspection of DRL Control Module and Its Circuit .
Auto-on headlight system malfunctions (if equipped)	Wrong initialization of rain/light sensor	Refer to RAIN/LIGHT SENSOR INITIALIZATION (IF EQUIPPED) .
	Faulty BCM	Refer to INSPECTION OF BCM AND ITS CIRCUITS .
	Faulty system circuit (including relays and fuses)	Refer to RAIN/LIGHT SENSOR INITIALIZATION (IF EQUIPPED) /LIGHTING SYSTEM CIRCUIT DIAGRAM .
	Faulty lighting and turn signal switch	Refer to LIGHTING AND TURN SIGNAL SWITCH INSPECTION .
	Faulty rain/light sensor	Refer to Scan Tool Data.
Fog lights do not light up (if equipped)	Faulty system circuit (including relays and fuses)	Replace circuit .
	Blown bulbs	Replace bulbs .
	Faulty fog light switch	Refer to FOG LIGHT SWITCH INSPECTION (IF EQUIPPED) .
Dome light or spot light does not light up	Faulty BCM	Refer to INSPECTION OF BCM AND ITS CIRCUITS .
	Faulty system circuit (including relays and fuses)	Replace circuit .
	Blown bulbs	Replace bulbs .
	Faulty door switch	Refer to FRONT AND REAR DOOR SWITCH INSPECTION .
Clearance lights, tail lights or license light do not light up	Faulty system circuit (including relays and fuses)	Replace circuit .
	Blown bulbs	Replace bulbs .
	Faulty lighting and turn signal switch	Refer to LIGHTING AND TURN SIGNAL SWITCH INSPECTION .
Back up lights do not light up	Faulty system circuit (including relays and fuses)	Replace circuit .
	Blown bulbs	Replace bulbs .
	Faulty shift switch (CVT model)	Refer to TRANSMISSION RANGE SENSOR INSPECTION .
	Faulty back up light switch (M/T model)	Refer to BACK UP LIGHT SWITCH INSPECTION .
Brake lights do not light up	Faulty system circuit (including relays and fuses)	Replace circuit .
	Blown bulbs	Replace bulbs .
	Faulty brake light switch	Refer to BRAKE LIGHT SWITCH INSPECTION .
Turn signal/hazard warning lights do not flash	Faulty BCM	Refer to INSPECTION OF BCM AND ITS CIRCUITS .
	Faulty system circuit (including relays and fuses)	Replace circuit .
	Blown bulbs	Replace bulbs .
	Faulty lighting and turn signal switch	Refer to LIGHTING AND TURN SIGNAL SWITCH INSPECTION .
	Faulty hazard switch	Refer to HAZARD WARNING SWITCH INSPECTION .