Front Lifting Switch Circuit Check

CHECK FUNCTION
With CONSULT-II

With "LIFT FR SW-UP, LIFT FR SW-DN" on the DATA MONITOR, operate the front lifting switch to check ON/ OFF operation.

Fig 1: Monitor Item Table
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 2: Data Monitor Display
Courtesy of NISSAN MOTOR CO., U.S.A.

Without CONSULT-II
1. Turn ignition switch OFF.
2. Front lifting switch operate, check voltage between driver seat control unit connector and ground.
  
  Fig 3: Voltage Table
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 4: Checking Voltage Between Terminal 26, 39 And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK : Front lifting switch circuit is OK.
2. NG : GO TO 2.
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 B152 terminals 26, 39 and driver seat switch connector B156 terminals 26, 39 and ground
  1. 26 (L/P) - 26 (L/P) : Continuity should exist.
  2. 39 (L/G) - 39 (L/G) : Continuity should exist.
3. Check continuity between driver seat control unit connector B152 terminals 26, 39 and ground
  1. 26 (L/P) - Ground : Continuity should not exist.
  2. 39 (L/G) - Ground : Continuity should not exist.
  Fig 5: Checking Continuity Between Terminals 26, 39 And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK : GO TO 3.
2. NG : Repair or replace harness between driver seat control unit and power seat switch.
CHECK FRONT END LIFTING SWITCH
Front lifting switch operate, check continuity between driver seat switch connector B156 terminal 26, 39 and 61B.

Fig 6: Continuity Table
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 7: Checking Continuity Between Terminal 26, 39 And 61B
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
1. OK : Check the condition of the harness and connector.
2. NG : Replace driver power seat switch.