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Auto-On Headlight System Description (If Equipped) - Suzuki SX4 Service Manual

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9B-4 Lighting Systems:
Detecting condition
Voltage supplied to height sensor is lower
than 4.6 V
Signal voltage from height sensor is higher
than 4.75 V or lower than 0.25 V
Abnormality in headlight leveling control
module is detected
Correction value calculated by headlight
leveling control module exceeds operation
range of headlight leveling actuator
Headlight leveling actuator
Headlight leveling actuator is (1) located in the headlight housing (2). It moves the reflector (3) in the headlight housing
according to the drive signal from the headlight leveling control module so as to adjust the optical axis of the headlight
to the angle calculated by the headlight leveling control module.

Auto-On Headlight System Description (If Equipped)

The auto-on headlight is controlled by auto-on headlight controller (1) and works as follows. Under such conditions as
the ignition switch turned ON and the lighting switch (2) turned to the "AUTO" position, when illuminance to the auto-on
headlight sensor (3) becomes lower than the specified value, the headlights and clearance lights are turned ON by
auto-on headlight controller. On the other hand, when illuminance to the auto-on headlight sensor becomes higher
than the specified value under the same conditions, the headlights and clearance lights are turned OFF by auto-on
headlight controller.
Fail-safe operation
Stops headlight leveling actuator operation.
Stops headlight leveling actuator operation.
Resets microcomputer in headlight leveling
control module.
Drives headlight leveling actuator within its
operation range.
2
1
3
1
Warning light
I6RW0C920005-01
3
1
ON
ON
ON
OFF
S7RW0A9201003
2
I6RW0C920006-01

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