Operation CHARM: Car repair manuals for everyone.

Test Point 11



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 11
Average consumption

- Engine off
- Select average consumption with on-board computer selector lever

PST2 display:

Tester display approximately equal to actual average consumption
- Switch off ignition
- Pull off plug lion the instrument cluster
- Disconnect plug on DME control module (ME 5.2) or
- Disconnect plug IV on DME control module (ME 7.2)
- Switch ignition on
- Measure the voltage between instrument cluster plug II, pin 13 and ground
Voltmeter display: 0 V

- Switch off ignition
- Ohmmeter on instrument cluster plug II pin 13 and ground
Ohmmeter display: Infinity Ohm

- Ohmmeter on instrument cluster plug II pin 13 and plug on DME control module (ME 5.2) pin 83 or
- Ohmmeter on instrument cluster plug II pin 13 and on DME control module plug IV, pin 33 (ME 7.2)
Ohmmeter display: [<] 5 Ohms