RAIN SENSOR - System Overview
This unit controls the status of the vehicles rain sensor. It is a device used to protect the interior of an automobile from rain and to support the automatic mode of windscreen wipers.
SM069 - RAIN SENSOR - System Help file
Version 1.26

RAIN SENSOR - Known Fitments
Vehicle makes, models and variants known or believed to be using this vehicle system, required diagnostic lead and degree of known compatibility.

Vehicle Make Vehicle Model Vehicle Variant Diagnostic Lead
Land Rover Range Rover MK III (L322) 2002 – 2009 Black OBDII Lead/LD020/LD021

RAIN SENSOR - Physical Details

SM069 - RAIN SENSOR - Diagnostic Capabilities (Read Fault Codes)
Reads the fault code memory. The ECU can self detect a number of different problems with itself, its wiring and its associated sensors, storing the respective code if it detects any malfunction or reading outside of pre defined acceptable limits. Not all stored faults may cause the fault warning lamp to illuminate.

SM069 - RAIN SENSOR - Diagnostic Capabilities (Clear Fault Codes)
Clears the fault code memory.

SM069 - RAIN SENSOR - Diagnostic Capabilities (Settings)
Values, configuration settings, and other stored information which can be read from the ECU. Read settings can also be stored as a standard HTML page for reference. These pages can then later be re loaded. Please note that all values are read only due to the fact that they are supplied from the ECUís ROM or are internally calculated.

  • Part Number: This is the manufacturer's part number for the ECU.
  • Hardware Number: This is the hardware version which denotes the processor and circuit board type.
  • Software Number: This denotes the coding inside the processor for the hardware.
  • Supplier Number: A number which defines the supplier using a standard look up list of supplier ECU manufacturer numbers.
  • Coding Index: This the coding identification for the programming maps.
  • Diagnostic Index: This is a number that indicates the diagnostic capabilities support level.
  • Bus Index: This is a number that indicates the bus communication support level, the vehicle communication buses.
  • Week of Build: This is the week in which the unit was built.
  • Year of Build: This is the year in which the unit was built.

SM069 - RAIN SENSOR - Diagnostic Capabilities (Inputs)
Realtime live display of the information the electronic control unit of the selected vehicle system is currently deriving from its input sensors.

  • Wiper park sense: This displays the state of the Rain Sensor wiper park sense input, either wiping or parked.

SM069 - RAIN SENSOR - Diagnostic Capabilities (Other)
Rain sensor adaption reset: This function will reset the rain sensor adaption. The reset is recommended after windscreen renewal to force the rain sensor to recalibrate.