Wide Band O2

From a component point of view the WBO2 needs only one component to be soldered, it is a FET (Q18 in the schematics) which
can be identified by the part number FQPF20N06L

But before you can start soldering the FETs onto the board you'll have to consider the way that they are going to be cooled
This installation is going to use the Alubos case as the main heat sink. To mount the FETs correctly you will need to solder
them so that they fit against the Alubos enclosure. To do this we need to know the distance between the base of the circuit
board (the FETs and IGBTs are soldered on the bottom of the board in this instance) and the inside of the case, this is ~10mm

Mounting the FET

Bend the legs of the FET away from the tag at 90degrees.
Using a Threaded screw and two nuts set the height of the FET to the distance measured between the back of the PCB and the case

Solder the component in place, and then check the fit of the component to the case.

Connections

At this point we can solder the EC18 Connector to the PCB. Use the machined case ends to make sure that the connector is seated
properly.

Connecting the plugs

The wide band sensor's plug is connected to VEMS though the EC18 connector, the following schematic gives the pin connections.

Make sure you use a fuse when connecting the Wideband sensor to its power supply, a 3A automotive fuse will be fine
Next upload a config.txt to VEMS
make mtt, bray term, restart.
Type Manmlp07 to get to the AFR screen

The lcd screen should show something like:
Ri:0000 Nernst:0000
Heat:00 Pump:65
AFR=? 02%=?
AFR=08.29 OFF

Before we plug the wide band in we need to do some tests and calibration, the first is 'Pump Zero DC', you will need to take
a reading with a DVM across pins 5&6 of the Wideband connector. The ideal voltage is zero, to adjust the voltage you will need
to change the values of wbo2_pump_pw_zero in config.txt
Ideally the value should be between 0x64 to 0x66 and the values make a big difference, for example at 0x65 I measured 0.10v
changing to 0x64 resulted in a reading of -0.17 and 0x66 took the reading up to 0.5v