Heating and Air Conditioning: Description and Operation

DIAGNOSTIC TROUBLE CODE DESCRIPTION




1. A/C system is turned OFF during self diagnosis. The result of self diagnosis is displayed using 2 digits of the temperature display.
2. Diagnostic trouble codes are displayed during self diagnosis. However, after diagnosis is complete, relevant data is not stored in memory.
3. Self diagnosis of photo sensor is performed using a light bulb over 60 W placed within 40 cm with sun load applied.

NOTE: Without sun load, photo sensor error code displays.