AUTO LIGHT SENSOR OPERATION
id091800526900
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Caution
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• The auto-light sensor cannot detect the illumination level correctly under the following conditions, which could cause the auto-lights to operate improperly.
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― Stickers or labels are attached on the auto-light sensor in the windshield.
― Dirt is adhering to the the auto-light sensor in the windshield.
• The auto-light sensor is installed to the lens in the center of the windshield.
• The auto-light sensor is integrated with the rain sensor as a single unit.
• The upward and forward illumination level sensors, which detect the level of illumination above and in front of the vehicle respectively, are built-in.
Function description
Sensitivity adjustment function
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• The illumination level sensitivity can be switched between “Standard (other)“ and ” Low (other)“ using the Mazda Modular Diagnostic System (M-MDS).
On-board Diagnostic Function
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• 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.
