| Interface Diagram |

Description This system maintains the density of carbon dioxide constantly in vehicle interior by measuring the amount of carbon dioxide to increase the comfortableness and the fuel consumption rate when air conditioning system is operating.
Replacement 1. Disconnect the negative (-) battery terminal. 2. Remove the crash pad under cover [RH]. (Refer to Body - "Crash Pad Under Cover") 3.
Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the head up display bezel (A). 3. Remove the instrument cluster. (Refer to Indicators And Guages - "Instrument Cluster") 4. Remove the head up display unit bracket (A) after loosening the mounting nuts.
Instructions When Handling Refrigerant 1. R-134a liquid refrigerant is highly volatile. A drop on the skin of your hand could result in localized frostbite. When handling the refrigerant, be sure to wear gloves. 2. It is standard practice to wear goggles or glasses to protect your eyes, and gloves to protect your hands.