Seat Belt Buckle Switch (Driver Side) Signal Inspection

1. Select "METER A/C AMP" on CONSULT-II.
2. With "DATA MONITOR" of "METER A/C AMP", confirm "SEAT BELT W/L" when the seat belt is operated.

   "SEAT BELT W/L" 

   When seat belt (driver side) is fastened : OFF 

   When seat belt (driver side) is unfastened : ON 

   Fig 1: Displaying Data Monitor

   Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG 

OK : INSPECTION END

NG : GO TO 2.

1. Turn ignition switch ON.
2. Check voltage between combination meter harness connector M20 terminal 9 and ground.

   9 - Ground 

   When seat belt (driver side) is fastened : Approx. 12 V 

   When seat belt (driver side) is unfastened : Approx. 0 V 

   Fig 2: Identifying Voltage Between Combination Meter Harness Connector M20 Terminal 9 And Ground

   Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG 

OK : Replace combination meter.

NG : GO TO 3.

1. Turn ignition switch OFF.
2. Disconnect combination meter connector and seat belt buckle switch (driver side) connector.
3. Check continuity between combination meter harness connector M20 terminal 9 and seat belt buckle switch (driver side) harness connector B160 terminal 60.

   9 - 60 : Continuity should exist. 

4. Check harness continuity between combination meter harness connector M20 terminal 9 and ground.

   9 - Ground : Continuity should not exist. 

   Fig 3: Identifying Harness Continuity Between Combination Meter Harness Connector M20 Terminal 9 And Ground

   Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG 

OK : GO TO 4.

NG : Repair harness or connector.

Check seat belt buckle switch (driver side). Refer to "SEAT BELT BUCKLE SWITCH (DRIVER SIDE) ".

OK or NG 

OK : Check seat belt buckle switch (driver side) ground circuit.

NG : Replace seat belt buckle switch (driver side).