With Monochrome Display
POWER SUPPLY AND GROUND CIRCUIT
A/C AUTO AMP. : Component Function Check
1. CHECK OPERATION
1.Press the AUTO switch, and then check that "AUTO" is shown on the display.
2.Operate the temperature control switch (driver side). Check that the fan speed or outlet changes. (The discharge air temperature or fan speed varies depending on the ambient temperature, in-vehicle temperature, and temperature setting.)
Does it operate normally?
YES- Inspection End.
NO- Perform trouble diagnosis for the A/C system. With Monochrome Display.