Test Point 5

Checking The Actual Values

In the Actual values menu item, the current values of the following parameters can be read out and checked:

Test point 5
Brightness sensor

- Engine off
- Shine the pocket lamp on the sensor
PST2 display:

Tester display increases to a value of approx. 97% - 100% Displays darken (dimming takes place slowly).

- Brightening of the sensor

PST2 display:
Tester display drops to a value of 0 - 5% Displays brighten (dimming takes place slowly).

If there is no change in the dimming, the instrument cluster is faulty.