Seat Memory Switch Circuit Inspection

WARNING: This page is about a different car, the 2005 Infiniti QX56. 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" on the DATA MONITOR, operate the switch to check ON/OFF operation.

SEAT MEMORY SWITCH OPERATION REFERENCE

Monitor item [OPERATION or UNIT]		Contents
MEMORY SW1	"ON/OFF"	ON/OFF status judged from the seat memory switch 1 signal is displayed.
MEMORY SW2	"ON/OFF"	ON/OFF status judged from the seat memory switch 2 signal is displayed.
SET SW	"ON/OFF"	ON/OFF status judged from the setting switch signal is displayed.

Without CONSULT-II

GO TO 2.

OK or NG

OK: Seat memory switch circuit is OK.
NG: GO TO 2.

Fig 1: CONSULT-II - Identifying "SET SW", "MEMORY SW1" And "MEMORY SW2" On DATA MONITOR

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 seat memory switch.
4. Check continuity between seat memory switch as follows.
Fig 2: Seat Memory Switch Connector D5 Terminals 1, 2, 3, 4 And 5 Continuity Conditions
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 3: Checking Continuity Between Seat Memory Switch Terminals
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 M33 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/O) 3 (G/O): Continuity should exist.
  - 25 (P/L) 2 (P/L): Continuity should exist.
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/O) 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.
Fig 4: Checking Continuity Between Automatic Drive Positioner Control Unit Connector M33 Terminals 9, 24, 25 And Seat Memory Switch Connector D5 Terminals 1, 2 And 3
Courtesy of NISSAN MOTOR CO., U.S.A.
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 5: Checking Continuity Between Seat Memory Switch D5 Terminal 4 And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.