Diagnosis Procedure

1. CHECK SEAT MEMORY INDICATOR CIRCUIT
   1. Turn ignition switch OFF.
   2. Disconnect driver seat control unit and seat memory switch.
   3. Check continuity between driver seat control unit harness connector and seat memory switch harness connector.
      Fig 1: Checking Continuity Between Driver Seat Control Unit Connector And Seat Memory Switch Connector

      Courtesy of NISSAN MOTOR CO., U.S.A.
      CONTINUITY REFERENCE CHART
      
      

      Driver seat control unit connector	Terminal	Seat memory switch connector	Terminal	Continuity
      B203 (A)	7	D13 (B)	7	Yes
      	23		6

   4. Check continuity between driver seat control unit harness connector and ground.
   CONTINUITY REFERENCE CHART
   
   

   Driver seat control unit connector	Terminal	Ground	Continuity
   B203 (A)	7		No
   	23

   Is the inspection result normal? 

   YES: GO TO 2

   NO: Repair or replace harness.

2. CHECK MEMORY INDICATOR POWER SUPPLY

   Check voltage between seat memory switch harness connector and ground.

   VOLTAGE REFERENCE CHART
   
   

   Seat memory switch connector	Terminals		Voltage (V) (Approx.)
   	(+)	(-)
   D13	5	Ground	Battery voltage

   Is the inspection result normal? 

   YES: GO TO 3

   NO: Check the following:

   • Fuse
   • Harness for open or short between memory indicator and fuse.
   Fig 2: Checking Voltage Between Seat Memory Switch Harness Connector And Ground

   Courtesy of NISSAN MOTOR CO., U.S.A.
3. CHECK MEMORY INDICATOR

   Refer to "COMPONENT INSPECTION ".

   Is the inspection result normal? 

   YES: GO TO 4

   NO: Replace seat memory switch. Refer to "REMOVAL AND INSTALLATION ".

4. CHECK INTERMITTENT INCIDENT

Refer to "INTERMITTENT INCIDENT ".

Is the inspection result normal? 

YES: Replace driver seat control unit. Refer to "REMOVAL AND INSTALLATION ".

NO: Repair or replace the malfunctioning part.