Seat Memory Switch Circuit Inspection

WARNING: This page is about a different car, the 2004 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FUNCTION
With CONSULT-II

With "SET SW, MEMORY SW1, MEMORY SW2", "SET SW" on the "DATA MONITOR, operate the switch to check ON/OFF operation.

Fig 1: Seat Memory Switch Circuit - Monitor Item Contents Chart
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.
  
  Fig 2: DATA MONITOR - CONSULT II Display Screen
  Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK SEAT MEMORY SWITCH
1. Turn ignition switch OFF.
2. Disconnect seat memory switch.
3. Operate the setting switch and memory switch.
4. Check continuity between seat memory switch as follows.
  
  Fig 3: Terminals Continuity Reference Chart
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  Fig 4: Checking Continuity Between Seat Memory Switch
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
- OK: GO TO 3.
- NG: Replace seat memory switch.
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 (L/W) - 1 (L): Continuity should exist.
  
  24 (R/B) - 3 (R/B): Continuity should exist.
  
  25 (V) - 2 (V): Continuity should exist.
3. Check continuity between automatic drive positioner control unit connector M41 terminals 9, 24, 25 and ground.
  9 (L/W) - Ground: Continuity should not exist.
  
  24 (R/B) - Ground: Continuity should not exist.
  
  25 (V) - Ground: Continuity should not exist.
  
  Fig 5: Checking Continuity Between Automatic Drive Positioner Control Unit Connector M41 Terminals 9, 24, 25, Seat Memory Switch Connector D5 Terminals 1, 2, 3 And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
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.

4 (B) - Ground: Continuity should exist.

OK or NG
- OK: Replace automatic drive positioner control unit.
- NG: Repair or replace harness.
  
  Fig 6: Checking Continuity Between Seat Memory Switch D5 Terminal 4 And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.