Suzuki 2006 SX4, Service Manual

Page: 1254 / 1478

9B-10 Lighting Systems:
Headlight Symptom diagnosis (Other than Discharge Headlight Model)
S6RW0C9204017
Auto-On Headlight System Symptom Diagnosis (If Equipped)
S6RW0C9204018
Condition Possible cause Correction / Reference Item
Only one low beam does
not light up Circuit fuse blown Replace fuse and check for short circuit.
Bulb blown Replace bulb.
Headlight low beam relay faulty (if
equipped) Check headlight relay referring to “Tail Light
Relay, Headlight Relay, Front Fog Light Relay
Inspection (If Equipped)”.
Wiring or ground faulty Repair circuit.
Low beam does not light
up Circuit fuse blown Replace fuses and check for short circuit.
Headlight low beam relay faulty (if
equipped) Check headlight relay referring to “Tail Light
Relay, Headlight Relay, Front Fog Light Relay
Inspection (If Equipped)”.
Lighting or dimmer switch faulty Check lighting and dimmer switch referring to
“Headlight Switch (in Lighting Switch)
Inspection”.
Bulbs blown Replace bulbs.
Wiring or ground faulty Repair circuit.
DRL controller faulty (if equipped) Check system referring to “Inspection of DRL
Controller and Its Circuits (If Equipped)”.
Only one high beam does
not light up Circuit fuse blown Replace fuse and check for short circuit.
Bulb blown Replace bulb.
Headlight high beam relay faulty (if
equipped) Check headlight relay referring to “Tail Light
Relay, Headlight Relay, Front Fog Light Relay
Inspection (If Equipped)”.
Wiring or ground faulty Repair circuit.
High beam does not light
up Circuit fuse blown Replace fuses and check for short circuit.
Headlight high beam relay faulty (if
equipped) Check headlight relay referring to “Tail Light
Relay, Headlight Relay, Front Fog Light Relay
Inspection (If Equipped)”.
Lighting or dimmer switch faulty Check lighting and dimmer switch referring to
“Headlight Switch (in Lighting Switch)
Inspection”.
Bulbs blown Replace bulbs.
Wiring or ground faulty Repair circuit.
Condition Possible cause Correction / Reference Item
Headlights are not turned
ON or OFF automatically
even after darkened or
lightened Circuit fuse blown Replace fuse and check for short circuit.
Lighting or dimmer switch faulty Check lighting and dimmer switch referring to
“Headlight Switch (in Lighting Switch)
Inspection”.
Auto-on headlight sensor faulty Check auto-on headlight sensor referring to
“Auto-On Headlight Sensor Inspection (If
Equipped)”.
Wiring or ground faulty Repair circuit.
Auto-on headlight controller faulty Check auto-on headlight controller for function
referring to “Inspection of Auto-On Headlight
Controller and Its Circuit (If Equipped)”.