T–148
ON-BOARD DIAGNOSTIC [HEADLIGHT AUTO LEVELING SYSTEM]
T
BODY ELECTRICAL SYSTEM
ACTIVE COMMAND MODE TABLE
A6A816467000W13
LHID
Note
• Select the following four commands at the same time and carry out simulation inspection.
End Of Sie
DTC B1932
A6E816467000W03
Diagnostic procedure
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DTC B2141, B2477
A6E816467000W04
Diagnostic procedure
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ON-BOARD DIAGNOSTIC [HEADLIGHT AUTO LEVELING SYSTE M]
Command name Definition
CALAXLSN# Command for headlight zeroset use (See T–31 HEADLIGHT ZEROSET)
Command name Definition Operation Note
HDL_POS#
Select “Calibration” operation, verify that the headlight actuator
moves to the position at time of headlight zeroset
Calibration/
High/Low/Auto
Ignition key at ON
(Engine OFF), and
headlight ON
Select “High” operation, verify that headlight actuator moves
upward
Select “Low” operation, verify that headlight actuator moves
downward
Select “Auto” operation, verify that headlight actuator is under
automatic control
DTC B1932 Auto leveling control unit system.
DETECTION
CONDITION
Warning
• Incorrect servicing of the auto leveling control unit could result in electrical shock because
the unit is integrated with the discharge headlight control unit. Before servicing the auto
leveling control unit, always refer to “Discharge headlight service warnings.” (See T–25
DISCHARGE HEADLIGHT SERVICE WARNINGS
Auto leveling control unit does not work properly.
POSSIBLE
CAUSE
• Auto leveling control unit malfunction
• Poor fit of auto leveling control unit
STEP INSPECTION ACTION
1
INSPECT AUTO LEVELING CONTROL
UNIT CONNECTION
• Check fit of auto leveling control unit.
• Is condition of the fit okay?
Yes Replace auto leveling control unit.
(See T–30 DISCHARGE HEADLIGHT CONTROL UNIT
REMOVAL/INSTALLATION)
No After correcting fit, clear DTC and check DTC again.
• If DTC is displayed again, replace auto leveling control
unit. (See T–30 DISCHARGE HEADLIGHT CONTROL
UNIT REMOVAL/INSTALLATION)
DTC B2141,
B2477
Configuration setting system for auto leveling control unit.
DETECTION
CONDITION
Warning
• incorrect servicing of the auto leveling control unit could result in electrical shock because
the unit is integrated with the discharge headlight control unit. Before servicing the auto
leveling control unit, always refer to “Discharge headlight service warnings.” (See T–25
DISCHARGE HEADLIGHT SERVICE WARNINGS)
Configuration for auto leveling control unit is not set.
POSSIBLE
CAUSE
• Configuration for auto leveling control unit is not set or the setting is invalid
ACTION
Check connections of each sensor and the unit. Then connect WDS or equivalent and perform configuration.
(See T–30 AUTO LEVELING CONTROL UNIT CONFIGURATION)
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