Diagnostic Procedure

Step	Inspection		Action
1	VERIFY IF MALFUNCTIONING LOCATION IS AUTO LIGHT SENSOR/HUMIDITY SENSOR/RAIN SENSOR DEPENDING ON REPEATABILITY Clear the DTC for the front body control module (FBCM) using the M-MDS. (Refer to CLEARING DTC [FRONT BODY CONTROL MODULE (FBCM)] .) Retrieve the front body control module (FBCM) DTCs using the M-MDS. (Refer to DTC INSPECTION [FRONT BODY CONTROL MODULE (FBCM)] .) Is the same DTC displayed?	Yes	Replace the auto light sensor/humidity sensor/rain sensor, then go to the next step. (Refer to RAIN SENSOR REMOVAL/INSTALLATION .)
1		No	Go to Step 3.
2	VERIFY THAT REPAIRS HAVE BEEN COMPLETED Clear the DTC for the front body control module (FBCM) using the M-MDS. (Refer to CLEARING DTC [FRONT BODY CONTROL MODULE (FBCM)] .) Retrieve the front body control module (FBCM) DTCs using the M-MDS. (Refer to DTC INSPECTION [FRONT BODY CONTROL MODULE (FBCM)] .) Is the same DTC displayed?	Yes	Replace the front body control module (FBCM), then go to the next step. (Refer to FRONT BODY CONTROL MODULE (FBCM) REMOVAL/INSTALLATION .)
2		No	Go to the next step.
3	VERIFY IF OTHER DTCs DISPLAYED Are any other DTCs displayed?	Yes	Repair or replace the malfunctioning part according to the applicable DTC troubleshooting. (Refer to DTC TABLE [FRONT BODY CONTROL MODULE (FBCM)] .)
3		No	DTC troubleshooting completed.