Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Level Control System Sensor, Checking






Level Control System Sensor, Checking

Special tools, testers and auxiliary items required

Vehicle Diagnostic, Testing and Information System (VAS 5051A)

The Vehicle Level Sensors transmit vehicle level in the form of a signal to the Headlamp Range Control Module (J431).

In the following, it will be checked whether the Left rear level control system sensor (G76) and Left front level control system sensor (G78) send usable signals to the Headlamp range control module (J431).

In the following cases, no DTC entry is stored in Headlamp Range Control Module (J431) :

when vehicle level sensors are not installed as specified in the Repair Information

when vehicle level sensors are damaged mechanically

in vehicles with a modified axle geometry (for instance, lowered vehicles).

If the values of the level control system sensors are outside the tolerance range, a basic setting of the headlamps cannot be performed.

- Connect (VAS 5051A).

- In (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 headlamp range control

Level Control System Sensor, Checking