B232A-RAIN SENSOR OPTICAL PATH 2 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 MODULENOTE: 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.
With the scan tool read RSM DTCs.
Does the scan tool read: B232A-RAIN SENSOR OPTICAL PATH 2 PERFORMANCE?
Yes
- Replace the RSM in accordance with the service information.
- Perform the BODY VERIFICATION TEST — VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL MODULES - STANDARD PROCEDURE)
No
- Test complete.