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Drl System Symptom Diagnosis (If Equipped); Headlight Auto Leveling System Symptom Diagnosis (If Equipped); Headlight Manual Leveling System Symptom Diagnosis (If Equipped) - Suzuki SX4 Service Manual

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9B-10 Lighting Systems:

DRL System Symptom Diagnosis (If Equipped)

Condition
Headlight does not light
when lighting switch is in
OFF position and engine
is running
Headlight lights even if
engine stop and lighting
switch is OFF position

Headlight Auto Leveling System Symptom Diagnosis (If Equipped)

Condition
Headlight leveling
warning light comes on
steady
Optical axes of both
headlights do not change
Optical axis of only one
headlight does not
change

Headlight Manual Leveling System Symptom Diagnosis (If Equipped)

Condition
Optical axes of both
headlights do not change
Optical axis of only one
headlight does not
change
Possible cause
Lighting switch faulty
Oil pressure switch faulty
DRL controller faulty
Wiring or grounding faulty
Lighting switch faulty
Oil pressure switch faulty
DRL controller faulty
Wiring or grounding faulty
Possible cause
Height sensor faulty
Wiring or ground faulty
Headlight leveling control module faulty Check headlight leveling control module for
Circuit fuse blown
Supply voltage too low or too high
Wiring or ground faulty
Headlight leveling control module faulty Check headlight leveling control module for
Headlight levering actuator faulty
Headlight housing deformed
Wiring or ground faulty
Possible cause
Circuit fuse blown
Headlight leveling switch faulty
Supply voltage too low
Wiring or grounding faulty
Circuit fuse blown
Headlight leveling actuator faulty
Headlight housing deformed
Wiring or grounding faulty
Correction / Reference Item
Check lighting switch referring to "Headlight
Switch (in Lighting Switch) Inspection".
Check oil pressure switch referring to "Oil
Pressure Switch Inspection in Section 9C".
Check lighting switch referring to "Inspection of
DRL Controller and Its Circuits (If Equipped)".
Repair circuit.
Check system referring to "Headlight Switch (in
Lighting Switch) Inspection".
Check oil pressure switch referring to "Oil
Pressure Switch Inspection in Section 9C".
Check system referring to "Inspection of DRL
Controller and Its Circuits (If Equipped)".
Repair circuit.
Correction / Reference Item
Check height sensor referring to "Height
Sensor and Its Circuit Inspection (If
Equipped)".
Repair circuit.
function referring to "Inspection of Headlight
Leveling Control Module and Its Circuit
(Headlight Auto Leveling System)".
Replace fuse and check for short circuit.
Check charging system referring to "Generator
Test (Undercharged Battery Check) in Section
1J" or "Generator Test (Overcharged Battery
Check) in Section 1J".
Repair circuit.
function referring to "Inspection of Headlight
Leveling Control Module and Its Circuit
(Headlight Auto Leveling System)".
Check actuator referring to "Headlight Leveling
Actuator Inspection (If Equipped)".
Replace headlight housing.
Repair circuit.
Correction / Reference Item
Replace fuse and check for short circuit.
Check headlight leveling switch referring to
"Headlight Manual Levering Switch Inspection
(If Equipped)".
Check charging system referring to "Generator
Test (Undercharged Battery Check) in Section
1J".
Repair circuit.
Replace fuse and check for short circuit.
Check actuator referring to "Headlight Leveling
Actuator Inspection (If Equipped)".
Replace headlight housing.
Repair circuit.
S7RW0A9204006
S7RW0A9204007
S7RW0A9204008

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