DIY guide to change Honda Odyssey A/C air conditioning temperature from Celsius to Fahrenheit.
Remove heater a/c temp control unit take back cover off on circuit board you will see surface mount resistor code
to change c to f or f to c
R 71 left top= 101
R 73 top= 103
R 70 left bottom= 103
R72 R bottom=101
this unit is in Celsius
swap r70 & r71 also swap r73 & r72
now it is Fahrenheit.
Honda HDS HIM Diagnostic System