B232C-RAIN SENSOR OPTICAL PATH 4 PERFORMANCE

For a complete wiring diagram Refer to Section 8W.


  • When Monitored:

    With the ignition on.

  • Set Condition:

    Each optical track (received value) is monitored once a second while the rain sensor is active (WK Intermittent 1-5, LX intermittent 1-6) and compared to a small value. The optical track value must be below this value for 4 minutes (checked once per second) before this DTC will be set. Once the DTC is set, the optical track must be above the threshold for 4 minutes (checked once per second) before the DTC is cleared.


Possible Causes
 
RAIN SENSING MODULE
 




Diagnostic Test

1.REPLACE THE RAIN SENSOR MODULE

NOTE: Check the contact surface of the RSM to the windshield for Delamination (this will resemble air bubbles in the contact area). If Delamination is present, replace the windshield in accordance with the service information.




Does the scan tool read: B232C-RAIN SENSOR OPTICAL PATH 4 PERFORMANCE?

Yes


No
  • Test complete.