Tire Pressure Display, Performing Basic Setting
03 - Service Procedures
Tire Pressure Display, Performing Basic Setting
Applies only to tire pressure control indicator with PR number 7K6
• Basic setting of Tire Pressure Monitoring Display Indicator Lamp (K220) should always only be performed, "after " tire inflation pressure values have first been corrected to the proper values.
• If no pressure loss and no tire damage is detected after a tire pressure warning, the erroneous warning can be eliminated by a basic setting.
Tire Pressure Monitoring Display Indicator Lamp (K220) compares the speed, i.e. the rolling circumference of the individual wheels using the ABS sensors. If rolling circumference of a wheel changes, this is displayed via tire pressure control indicator. Rolling circumference of tire may be change if:
• Tire inflation pressure is too low.
• Tires have structural damage.
• Vehicle is loaded on one side.
• Wheels of one axle are loaded higher (e.g. when towing trailer or driving uphill and downhill).
• Snow chains are installed.
• Spare wheel is installed.
• One wheel per axle was replaced.
Tire Pressure Monitoring Display Indicator Lamp (K220) has a yellow indicator light in instrument cluster - arrow -.
• "BLINKING LIGHT" means that no "INITIAL BASIC SETTING " was performed yet.
• "STEADY LIGHT", in conjunction with a warning tone, indicates " WARNING", a loss of pressure has been recognized, check tire pressure, perform system basic setting.
Perform "INITIAL" basic setting.
- Switch ignition on.
- Simultaneously press button for ESP as well as button SET - A - in center console for longer than 2 seconds.
If ESP is not installed, press the button for ASR.
Beginning of basic setting is confirm by a notifying tone.
On next new ignition start, warning does not appear.
Perform the basic setting
- Switch ignition on.
- Press SET button - A - in center console longer than 2 seconds.
Tire Pressure Monitoring Display Indicator Lamp (K220) in instrument cluster - arrow - lights up as long as button is pressed.
Beginning of basic setting is confirm by a notifying tone.
On next new ignition start, warning does not appear.