How to: Access Ford hidden menu, dash self-diagnostics mode (Focus, Mondeo, etc)

Some Fords - featured is a Mondeo Mk3 - have an instrument cluster self-diagnostics mode, which can give you some basic data readout without the use of an OBD scan tool. This is the basic list of data (your car may vary): Gauge sweep test LCD display test Cluster bulbs test ROM level NVM EEPROM level (not an error code) DTC revision DTC error codes: Will show "none" unless there are codes stored, in which case it will iterate through them. Only cluster codes are shown here, this is not a substitute for a proper ODB2 scan tool to pull general DTC codes. Vehicle speed mph Vehicle speed km/h Averaged speed encoded Tachometer (engine RPM) Averaged RPM encoded Odometer counter Fuel level (010 empty to 254 full) Averaged fuel level Fuel flow rate Cylinder head temperature (in degrees C) Battery voltage (or more accurately, voltage at the cluster). Related video: removing the instrument cluster (change light bulbs etc):    • How to: Remove instrument dial cluster, Fo...