AIC and RLS

(Automatic Interval Control & Rain Light Sensor) 

The AIC is activated with the wiper switch in the intermittent position from ignition position 1. If the wiper switch is already in the intermittent position when the ignition is switched to position 1 or 2, AIC will not be active. When the wiper switch is moved from intermittent to OFF and back to the intermittent position, the AIC will be active again.

The BC1 sends the wiper switch position to the AIC via a K-bus telegram. The AIC controls the time interval pauses from zero to infinity depending on the wetness of the windshield. The AIC will transmit a K-bus message every 10 seconds when the intermittent mode is selected if the screen is dry (indicating that the AIC is functional) The time interval of the signal will decrease once water is detected.

If the BC1 does not receive the K-bus telegram for a period greater than 12 seconds, the AIC:

• Function will be disabled
• Intermittent function will be adopted
• A fault code is generated

The AIC system fails, the intermittent wipe function defaults to the same function as a vehicles without AIC.