DTC B1400: Rain Sensor Malfunction [12/2019 - ]: Procedure

1. Clear the DTCs.

   Body Electrical > Rain and/or Humidity Sensor > Clear DTCs 

   Result

   Proceed to
   NEXT

Result: 

NEXT 

See step  2

1. Read the DTCs.

   Body Electrical > Rain and/or Humidity Sensor > Trouble Codes 

   Result

   Result	Proceed to
   DTC B1400 is not output	A
   DTC B1400 is output	B

Result: 

A 

USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [12/2019 - ] 

Result: 

B 

REPLACE RAIN SENSOR. Refer to  REMOVAL [12/2019 - ]