Diagnostic Test

CHECK FOR ACTIVE DTC
1. With the scan tool, read Body Control Module (BCM) DTCs and record on the repair order.
2. Record the Environmental Data.
3. With the scan tool, erase DTCs.
4. Using the recorded Environmental Data, along with the When Monitored and Set Conditions above, operate the vehicle in the conditions that set the DTC.
5. With the scan tool, read BCM DTCs.
  Did the DTC return?
  
  Yes
  - Go To 2
  No
  - Perform the TESTING FOR INTERMITTENT CONDITIONS procedure. Refer to TESTING FOR AN INTERMITTENT CONDITION .
CONFIGURE THE LIGHT RAIN SENSING MODULE (LRSM)
1. With the scan tool, program the LRSM to the vehicle configuration.
2. With the scan tool, erase BCM DTCs.
3. Cycle the ignition switch from off to on at least five times, leaving the ignition on for a minimum of 90 seconds per cycle.
4. With the scan tool, read the BCM DTCs.
  Does the DTC return?
  
  Yes
  - Inspect the wiring and connectors for damage or shorted circuits. If OK, replace the Light Rain Sensing Module (LRSM) in accordance with the Service Information. Refer to MODULE, LIGHT RAIN SENSOR, REMOVAL AND INSTALLATION .
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .
  No
  - Test complete.
  - Perform the BODY VERIFICATION TEST. Refer to BODY VERIFICATION TEST .