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 bub-
bles in the contact area). If Delamination is present, replace the windshield in accordance with the service
information.
With the scan tool read RSM DTCs.
Does the scan tool read: B232C-RAIN SENSOR OPTICAL PATH 4 PERFORMANCE?
Yes
>> Replace the RSM in accordance with the service information.
Perform the BODY VERIFICATION TEST — VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CON-
TROL MODULES/FRONT CONTROL MODULE - DIAGNOSIS AND TESTING)
No
>> Test complete.
8R - 60
WIPERS/WASHERS - ELECTRICAL DIAGNOSTICS
LX