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Headlight Leveling Control Module Removal
and Installation (If Equipped)
Removal
1) Disconnect negative (–) cable at battery.
2) Disconnect connector (1) from headlight leveling
control module (2).
3) Remove headlight leveling control module with its
bracket from heater unit (3).
Installation
For installation, reverse removal procedure noting the
following.
• Connect connector securely.
• After replacing headlight leveling control module with
new one, initialize auto leveling headlight system
referring to "Initialization of Auto Leveling Headlight
System".
Initialization of Auto Leveling Headlight System
Initialization of the auto leveling headlight system is to
make the headlight leveling control module learn signals
which are fed from the height sensors when the vehicle
is at the standard height. Standard height means the
height of the vehicle with a driver but without load in it.
Initialization of the auto leveling headlight system is
required when any of the following works has been
performed.
• Replacement of headlight leveling control module
• Removal of front and/or rear height sensor link from
lower arm
• Removal of front and/or rear height sensor from
suspension frame
•
Replacement of front and/or rear height sensor
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Without initialization of the auto leveling headlight
system, it is not possible to obtain its proper function.
Also, if the auto leveling headlight system is not
initialized after replacing the headlight leveling control
module, the headlight leveling warning light in the
combination meter flashes.
1) Observe the following instructions.
•
Park vehicle on level ground.
• Adjust air pressure of all tires to the specified
value respectively.
• Bounce vehicle body up and down by hand to
stabilize suspension.
2) Turn ignition switch to ON position.
3) Perform "Headlight Leveling Warning Light Check".
4) Connect service wire (2) to terminals of diagnosis
connector (1).
5) Perform Steps a) through b) described blow within
20 seconds after Step 4).
a) Turn lighting switch (3) to "HEAD" position and
then turn lighting switch to OFF position.
b) Repeat Step a) 2 times.
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6) Confirm that headlight leveling warning light flashes
3 times and turns off, which indicates that system
initialization was completed properly. If it does not
turn off after flashing 3 times, it means initialization
was not successful. In such case, turn off ignition
switch and perform Steps 1) to 6) again.
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Lighting Systems:
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