Reclining Switch System Inspection

CHECK FUNCTION
With CONSULT-II

With "RECLINING SW-FR,RECLINING SWRR" on the DATA MONITOR, operate the reclining switch to check ON/OFF operation.

Fig 1: Reclining Switch System Function Check Table
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 2: CONSULT-II Display - RECLINING SW-FR, RECLINING SWRR
Courtesy of NISSAN MOTOR CO., U.S.A.

Without CONSULT-II

Carry out "SWITCH MONITOR" in the on-board diagnosis function, and operate the reclining switch to check. Refer to "SWITCH MONITOR ".

OK or NG
1. OK: Replace the driver seat control unit.
2. NG: GO TO 2.
CHECK RECLINING SWITCH INPUT/OUTPUT
1. Turn ignition switch OFF.
2. Check voltage between driver seat control unit connector and ground.
  
  Fig 3: Voltage Specifications Between Driver Seat Control Unit Connector And Ground - Reclining Switch Input/Output
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 4: Checking Voltage Between Driver Seat Control Unit Connector And Ground - Reclining Switch Input/Output
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: System is OK.
2. NG: GO TO 3.
CHECK HARNESS CONTINUITY
1. Disconnect driver seat control unit connector and power seat switch (driver side) connector.
2. Check continuity between driver seat control unit connector B143 terminals 18 (GY/B), 24 (SB) and power seat switch (driver side) connector B144 terminals 18 (GY/B), 24 (SB).
  1. 18 (GY/B) - 18 (GY/B): Continuity should exist.
  2. 24 (SB) - 24 (SB): Continuity should exist.
3. Check continuity between driver seat control unit connector B143 terminals 18 (GY/B), 24 (SB) and ground.
  1. 18 (GY/B) - Ground: Continuity should not exist.
  2. 24 (SB) - Ground: Continuity should not exist.
  Fig 5: Checking Harness Continuity - Reclining Switch System
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: GO TO 4.
2. NG: Repair or replace harness between driver seat control unit and power seat switch.
CHECK RECLINING SWITCH
Check continuity between driver seat control unit.

Fig 6: Continuity Specifications Between Driver Seat Control Unit Terminals - Reclining Switch
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 7: Checking Continuity Between Driver Seat Control Unit Terminals - Reclining Switch
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
1. OK: GO TO 5.
2. NG: Replace power seat switch (driver side).
CHECK POWER SEAT SWITCH GROUND CIRCUIT
Check continuity between power seat switch B144 terminal 15 (B) and ground.
1. 15 (B) - Ground: Continuity should exist.
  
  Fig 8: Checking Continuity Between Power Seat Switch B144 Terminal 15 (B) And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: Check the condition of the harness and connector.
2. NG: Repair or replace harness between power seat switch (driver side) and ground.