Specifications

ON-BOARD DIAGNOSTIC [HEADLIGHT AUTO LEVELING SYSTEM]
T157
T
DTC B2619
A6E816467000W09
Diagnostic procedure
DTC B2619 Rear auto leveling sensor signal 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)
Output signal is not sent from the rear auto leveling sensor.
POSSIBLE
CAUSE
• Rear auto leveling sensor malfunction
• Open or short circuit in wiring harness between rear auto leveling sensor and headlight (LH)
• Headlight (LH) malfunction
STEP INSPECTION ACTION
1
INSPECT REAR LEVELING SENSOR
CONNECTION
• Check installation condition of rear auto
leveling sensor and fit of connector.
• Are installation condition and fit okay?
Yes Go to next step.
No After correcting fit, clear DTC and check DTC again.
• If DTC is displayed again, go to next step.
2
INSPECT WIRING HARNESS BETWEEN
REAR AUTO LEVELING SENSOR
CONNECTOR AND HEADLIGHT (LH)
CONNECTOR
• Disconnect rear auto leveling sensor
connector (6-pin) and headlight (LH)
connector (4-pin).
• Is there continuity between the following
connectors?
 Rear auto leveling sensor connector
(terminal B) and headlight (LH) connector
(terminal 2D)
Yes Go to next step.
No Repair or replace wiring harness between rear auto leveling
sensor and headlight (LH).