Santa Fe FWD V6-3.3L (2009)
Rain Sensor: Testing and Inspection
Inspection
Rain Sensor Relay
Check for continuity between the terminals.
1. There should be continuity between the No.30 and No.87 terminals when power and ground are connected to the No.85 and No.86 terminals.
2. There should be continuity between the No.30 and No.87 terminals when power is disconnected.
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 signal.
2. If the wiper switch has been left in automatic mode with the vehicle ignition OFF, and then the vehicle ignition switch is turned on, a single wipe
will be performed.
3. A single wipe will be performed whenever rain has been detected (Rain Detected signal from Rain sensor) and the wiper switch is moved to the
AUTO position. But a single wipe will not be performed when the wiper switch is moved to the AUTO position and OFF signal is being received
from Rain sensor. But if the wiper switch is moved to AUTO position for the first time since vehicle ignition switch is turned on then a single wipe
will be performed regardless of Rain Detected or OFF signal.
4. The drive may adjust the rain sensor performance by adjusting the sensitivity input. When in automatic mode, the BCM will perform a single wipe
each time the sensitivity is adjusted upward to a more sensitive setting (downward more then one step). This single wipe will only be performed if
Rain Detected signal is being received from the Rain sensor. If the sensitivity adjustment is adjusted upward more than one sensitivity, the BCM
