Occupant Detection System

OCCUPANT DETECTION SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION

DTC	Item	Content of diagnosis	Reference
B1650	Occupant Classification System Malfunction	Occupant detection sensor is faulty. Occupant detection control module is faulty. Occupant detection harness is faulty. Fuse No. 25 is blown.	Refer to DTC B1650 OCCUPANT CLASSIFICATION SYSTEM MALFUNCTION , Diagnostic Procedure with Diagnostic Trouble Code (DTC).
B1655	Front Buckle Switch RH Failure	Passenger's buckle switch circuit is open, shorted or shorted to ground. Occupant detection system is faulty. Occupant detection harness is faulty.	Refer to DTC B1655 FRONT BUCKLE SWITCH RH FAILURE , Diagnostic Procedure with Diagnostic Trouble Code (DTC).
B1760	Sensor mat abnormal	Occupant detection sensor is faulty. Occupant detection sensor is open, shorted between terminals, shorted to power supply or shorted to ground. Seat heater is open. Occupant detection control module is faulty.	Refer to DTC B1760 SENSOR MAT ABNORMAL , Diagnostic Procedure with Diagnostic Trouble Code (DTC).
B1761	Sensor mat liquid coating abnormal	Detected that the occupant detection sensor is spattered with fluid. Occupant detection sensor is faulty. Occupant detection control module is faulty.	Refer to DTC B1761 SENSOR MAT LIQUID COATING ABNORMAL , Diagnostic Procedure with Diagnostic Trouble Code (DTC).
B1771	Buckle switch abnormal	Passenger's buckle switch is faulty. Passenger's buckle switch circuit is open, shorted or shorted to ground. Occupant detection system is faulty. Occupant detection harness is faulty.	Refer to DTC B1771 BUCKLE SWITCH ABNORMAL , Diagnostic Procedure with Diagnostic Trouble Code (DTC).
B1795	ECU internal circuit fault	Occupant detection control module is faulty.	Refer to DTC B1795 ECU INTERNAL CIRCUIT FAULT , Diagnostic Procedure with Diagnostic Trouble Code (DTC).