Headlamp Alignment Sensor: Testing and Inspection

Level Control System Sensor, Checking

The Vehicle Level Sensors transmit the vehicle level in the form of a signal to the Headlamp Range Control Module.

In the following, it will be checked whether Left Rear Level Control System Sensor and Left Front Level Control System Sensor send signals which can be evaluated to Headlamp Range Control Module.

In the following cases, no DTC entry is stored in Headlamp Range Control Module:

• when vehicle level sensors are not installed as specified in the repair information

• when vehicle level sensors are damaged mechanically

• when vehicles have a modified axle geometry (e.g. lowered vehicle)

• If values of vehicle level sensors are outside the tolerance range, basic setting of headlamps cannot be performed.

- Connect Vehicle Diagnosis, Testing and Information System (VAS 5051A). Refer to=> [ Vehicle Diagnosis, Testing and Information Systems ] Testing and Inspection

- In Vehicle Diagnostic, Testing and Information System (VAS 5051A), select operating mode "Guided Fault Finding ".

- Using the "Go To" button, select "Functions/Component selection" and the following menu options in sequence:

• Body

• Electrical Equipment

• 01 - On Board Diagnostic (OBD) capable systems

• Automatic Headlamp Range Control

• Functions of automatic vertical headlamp aim control

• Level Control System Sensor, Checking