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Air Mix Door Control Specification

When ignition switch is ON, unified meter and A/C amp. continuously and automatically controls temperatures regardless of air conditioner operational condition. When setting a target temperature with temperature control dial, unified meter and A/C amp. corrects the set temperature and decides a target air mix door opening angle. Unified meter and A/C amp. controls air mix door according to the target air mix door opening angle and current air mix door opening angle for keeping an optimum air mix door opening angle. When a temperature is set at 18.0°C (60°F), air mix door is fixed at full cold, and when a temperature is set at 32.0°C (90°F), it is set at full hot.

Fig 1: Air Mix Door Opening Angle Graph
G04878018Courtesy of NISSAN MOTOR CO., U.S.A.