ESP Sensor Unit
ESP Sensor Unit
The ESP sensor unit is susceptible to strong vibrations and impacts. Strong vibrations and impacts can damage the ESP sensor unit. If the ESP sensor unit has fallen on the floor, correct function is no longer ensured and the unit should not be installed.
The ESP sensor unit (G419) is installed under the left seat.
Special tools, testers and auxiliary items required
• Torque Wrench (V.A.G 1410)
Removing
• The ESP sensor unit (G419) is always installed under the left seat.
The arrow on the ESP sensor unit (G419) points in the direction of travel.
- Remove left seat.
- Fold bar on the carpet up.
On vehicles where the bar on the carpet is not cut through, cut through it using a sharp knife.
- Remove footwell vent.
- Disconnect connector - 2 -.
- Remove sensor unit nuts.
- Remove the ESP sensor unit (G419) - 1 - upward out of the vehicle.
Installing
• The arrow on the sensor unit points in the direction of travel.
Strong vibrations can destroy the ESP Sensor Unit (G419).
- Insert the ESP sensor unit (G419) - 1 - into the mounts from above.
When installing ESP Sensor Unit (G419) make sure it is correctly seated in its mounting and is free of stress.
- Install and tighten the sensor unit nuts.
- Connect electrical connector - 2 -.
- Install footwell vent.
- Fold bar on the carpet down.
- Install left seat.
After replacing the ESP Sensor Unit (G419), perform a basic setting (calibration) on the following sensors.
• Transverse Acceleration Sensor (G200)
• Longitudinal Acceleration Sensor (G251)
Use the vehicle diagnosis, testing and information VAS 5051B or VAS 5052 for this.
- On display, select:
• Chassis
• Brake System
• 01- On Board Diagnostic (OBD) capable systems
• 03 - Brake electronics
- Select the following functions on the display:
• Transverse Acceleration Sensor (G200)
• Longitudinal Acceleration Sensor (G251)
- Then perform the ESP driving and system test.