Seat Memory Switch Circuit Inspection

WARNING: This page is about a different car, the 2008 Nissan Quest. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FUNCTION

With CONSULT-III

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

DATA MONITOR REFERENCE

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

GO TO 2.

OK or NG

OK: Seat memory switch circuit is OK.

NG: GO TO 2.

CHECK SEAT MEMORY SWITCH

Turn ignition switch OFF.
Disconnect seat memory switch.
Operate the setting switch and seat memory switch.

Check continuity between seat memory switch terminals as follows.

TERMINALS CONTINUITY CHART

Terminal		Condition	Continuity
1	4	Memory switch 1: ON	Yes
1		Memory switch 1: OFF	No
2		Memory switch 2: ON	Yes
2		Memory switch 2: OFF	No
3		Set switch: ON	Yes
3		Set switch: OFF	No

OK or NG

OK: GO TO 3.

NG: Replace seat memory switch. Refer to "FRONT DOOR ".

Fig 1: Checking Continuity Between Seat Memory Switch Terminals

Courtesy of NISSAN MOTOR CO., U.S.A.

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 - 1 : Continuity should exist.
  
  24 - 3 : Continuity should exist.
  
  25 - 2 : Continuity should exist.
3. Check continuity between automatic drive positioner control unit connector M41 terminals 9, 24, 25 and ground.
  9 - Ground : Continuity should not exist.
  
  24 - Ground : Continuity should not exist.
  
  25 - Ground : Continuity should not exist.
  
  Fig 2: Checking Continuity Between Automatic Drive Positioner Control Unit Terminals And Seat Memory Switch Terminals
  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 - Ground : Continuity should exist.

OK or NG

OK: Replace automatic drive positioner control unit.

NG: Repair or replace harness.

Fig 3: Checking Continuity Between Seat Memory Switch Terminal And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.