| Schematic Diagram |

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Inspection [System Inspection] 1. Disconnect the vapor hose from the throttle body and connect a vacuum pump to the nipple on the throttle body. 2.
Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the glove box housing (A). (Refer to Body - "Glove Box") 3. Remove the PGS unit (A) after loosening the nuts. Installation 1. Install the PGS unit. 2. Install the glove box housing.
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.