AUTO LIGHT SENSOR FUNCTION
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• The auto light sensor detects the illumination level above and in front of the vehicle and outputs it to the BCM.
• The illumination level above the vehicle is detected by the upward illumination level sensor, and the illumination level in front of the vehicle is detected by the forward illumination level sensor.
Sensitivity Adjustment Function
• The illumination level sensitivity can be switched between Extra High (Except Japan)/High (Except Japan)/standard (Except Japan)/Low (Except Japan)/Extra Low (Except Japan) using the Mazda Modular Diagnostic System (M-MDS).
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Note
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• Other than the above conditions, a "Japan Only" command is also displayed, however, do not select the command because it is for use in Japan.
• If the mode is set to “Extra High (Except Japan)” and “High (Except Japan)”, the illumination level for illuminating the TNS and headlight increases. Therefore, the TNS and headlights illuminate when the ambient light is brighter than when the level is set to “Standard (Except Japan)”. In addition, if the mode is set to “Low (Except Japan)” and “Extra Low (Except Japan)”, the illumination level for illuminating the TNS and headlights decreases. Therefore, the TNS and headlights illuminate when the ambient light is lower than when the level is set to “Standard (Except Japan)”.
On-board Diagnostic Function
• The BCM detects an auto light sensor malfunction, or a communication error between the auto light sensor and BCM, then the BCM outputs a DTC.