Kia Rio: Rain Sensor Description

The Rain sensing windshield wiper system is a wiper system that, in addition to providing normal wiper functions off, mist, manual low speed, manual high speed, and wash, provides automatic control of automatic intermittent automatic low, and automatic high speeds.

When the ignition key is in the ON position, the rain sensor (A) will be activated.

Rain Sensor Circuit Diagram

...

Rain Sensor System Function

Basic Principle Emitted Beam from luminosity diode is reflected entirely against the windshield exterior, and then turn into photo diode. If there is water on the windshield exterior, be ...

See also:

Description
Ignition timing is controlled by the electronic control ignition timing system. The standard reference ignition timing data for the engine operating conditions are pre-pro grammed in the ...

CVVT (Continuously Variable Valve Timing) System: Description
Continuous Variable Valve Timing (CVVT) system advances or retards the valve timing of the intake and exhaust valve in accordance with the ECM control signal which is calculated by the engine ...

Inspection
1. Turn the ignition switch OFF. 2. Disconnect the IATS connector. 3. Measure resistance between the IATS termi ...