Seat Memory Switch Circuit Inspection

WARNING: This page is about a different car, the 2005 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FUNCTION
With CONSULT-II

With "SET SW, MEMORY SW 1, MEMORY SW 2" on the DATA MONITOR, operate the switch to check ON/OFF operation.

Fig 1: Monitor Item Contents Chart - Memory Switch & Set Switch
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 2: CONSULT-II Display - DATA MONITOR
Courtesy of NISSAN MOTOR CO., U.S.A.

Without CONSULT-II

GO TO 2.

OK or NG
- OK : Seat memory switch circuit is OK.
- NG : GO TO 2.
CHECK SEAT MEMORY SWITCH
1. Turn ignition switch OFF.
2. Disconnect seat memory switch.
3. Operate the setting switch and seat memory switch.
4. Check continuity between seat memory switch terminals as follows.
  
  Fig 3: Seat Memory Switch Connector D5 Terminal Continuity Reference Chart
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 4: Checking Continuity Between Seat Memory Switch Connector Terminal 4 And Terminals 1, 2 & 3
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
- OK : GO TO 3.
- NG : Replace seat memory switch. Refer to FRONT DOOR .
CHECK HARNESS CONTINUITY
1. Disconnect automatic drive positioner control unit.
2. Check continuity between automatic drive positioner control unit connector M41 terminals 9, 24, 25 and seat memory switch connector D5 terminals 1, 2, 3.
  9 (LG/B) - 1 (LG/B) : Continuity should exist.
  
  24 (G/W) - 3 (G/W) : Continuity should exist.
  
  25 (P/L) - 2 (P/L) : Continuity should exist.
  
  Fig 5: Checking Continuity Between Automatic Drive Positioner Control Unit Connector M41 Terminals 9, 24, 25 And Seat Memory Switch Connector D5 Terminals 1, 2, 3
  Courtesy of NISSAN MOTOR CO., U.S.A.
3. Check continuity between automatic drive positioner control unit connector M41 terminals 9, 24, 25 and ground.
  9 (LG/B) - Ground : Continuity should not exist.
  
  24 (G/W) - Ground : Continuity should not exist.
  
  25 (P/L) - Ground : Continuity should not exist.
OK or NG
- OK : GO TO 4.
- NG : Repair or replace harness.
CHECK SEAT MEMORY SWITCH GROUND CIRCUIT
Check continuity between seat memory switch D5 terminal 4 and ground.

Fig 6: Checking Continuity Between Seat Memory Switch D5 Terminal 4 & Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

4 (B) - Ground : Continuity should exist.

OK or NG
- OK : Replace automatic drive positioner control unit.
- NG : Repair or replace harness.