Operation CHARM: Car repair manuals for everyone.

Up to 6.99




Display groups, interpreting







- Select relevant display group number, and press -Q- button to confirm input.

Example of measuring value block for Magneti Marelli instrument cluster -M73-:







- Press buttons -0-, -0- and -2- to input display group no.002.

Indicated on display


Read Measuring Value Block 2 ->
820 km 41 | 250 Ohms 19.0 °



NOTE:
- The actual sensor values are shown in the display field. The values in the instrument cluster are modified and may be different.
- The coolant temperature gauge will indicate 90 °C (194 °F), if the actual coolant temperature varies between approx. 75 °C (167 °F) and 107 °C (225 °F).
- For vehicles with VDO instrument cluster if the fuel level sensor has an open or short circuit, display field 2 displays 0L and display field 3 remains empty.
- For vehicles with Magneti-Marelli instrument cluster -M73-, display field 2 displays 2L for short circuit and 67L for open circuit Display field 3 displays 8 Ohms for short circuit and > 350 Ohms for an open circuit.
- Other display groups are possible, but are not required for troubleshooting.