Kia Optima: Rain Sensor. Repair procedures

System Function

Basic PrincipleEmitted 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, beam separates ...

Inspection

Rain Sensing Wiper 1. In IGN2 ON state, if auto switch input (LIN communication) is ON then both wiper low relay and wiper high relay outputs are controlled by the rain sensor input s ...

See also:

Inspection
1. Check the hub for cracks and the splines for wear. 2. Check the brake disc for scoring and damage. 3. Check the knuckle for cracks 4. ...

Intake Air Temperature Sensor (IATS). Schematic Diagrams
Circuit Diagram ...

ECM Problem Inspection Procedure
1. TEST ECM GROUND CIRCUIT: Measure resistance between ECM and chassis ground using the backside of ECM harness connector as ECM side check point. If the problem is found, repa ...