Diagnosis Procedure

Regarding Wiring Diagram information, refer to "WIRING DIAGRAM ".

1. CHECK PEDAL ADJUSTING SWITCH SIGNAL
   1. Turn ignition switch ON.
   2. Check voltage between driver seat control unit harness connector and ground.

      Driver seat control unit connector	Terminals		Condition		Voltage (V) (Approx.)
      	(+)	(-)
      B202	15	Ground	Pedal adjusting switch	Operate (backward)	0
      				Release	Battery voltage
      	30			Operate (forward)	0
      				Release	Battery voltage

      Fig 1: Checking Voltage Between Driver Seat Control Unit Harness Connector B202 And Ground

      Courtesy of NISSAN NORTH AMERICA, INC.

      Is the inspection result normal? 

      YES: GO TO  5

      NO: GO TO 2

2. CHECK PEDAL ADJUSTING SWITCH CIRCUIT
   1. Turn ignition switch OFF.
   2. Disconnect driver seat control unit and pedal adjusting switch.
   3. Check continuity between driver seat control unit harness connector and pedal adjusting switch harness connector.

      Driver seat control unit connector	Terminal	Pedal adjusting switch connector	Terminal	Continuity
      B202	15	M96	2	Yes
      	30		3

   4. Check continuity between driver seat control unit harness connector and ground.
      Fig 2: Checking Continuity Between Driver Seat Control Unit Harness Connector B202 And Pedal Adjusting Switch Harness Connector M96

      Courtesy of NISSAN NORTH AMERICA, INC.

      Driver seat control unit connector	Terminal	Ground	Continuity
      B202	15		No
      	30

      Is the inspection result normal? 

      YES: GO TO 3

      NO: Repair or replace harness.

3. CHECK DRIVER SEAT CONTROL UNIT OUTPUT
   1. Connect the driver seat control unit.
   2. Turn ignition switch ON.
   3. Check voltage between driver seat control unit harness connector and ground.

      Driver seat control unit connector	Terminals		Voltage (V) (Approx.)
      	(+)	(-)
      B202	15	Ground	Battery voltage
      	30

      Fig 3: Checking Voltage Between Driver Seat Control Unit Harness Connector B202 And Ground

      Courtesy of NISSAN NORTH AMERICA, INC.

      Is the inspection result normal? 

      YES: GO TO 4

      NO: Replace driver seat control unit. Refer to "EXPLODED VIEW ".

4. CHECK PEDAL ADJUSTING SWITCH

   Refer to "COMPONENT INSPECTION ".

   Is the inspection result normal? 

   YES: GO TO 5

   NO: Replace pedal adjusting switch.

5. CHECK PEDAL ADJUSTING SWITCH GROUND CIRCUIT

   Check continuity between pedal adjusting switch connector M96 terminal 1 and ground.

   1 - Ground: Continuity should exist  .

   Fig 4: Checking Continuity Between Pedal Adjusting Switch Connector M96 Terminal 1 And Ground

   Courtesy of NISSAN NORTH AMERICA, INC.

   Is the inspection result normal? 

   YES: GO TO 6

   NO: Replace or replace harness.

6. CHECK INTERMITTENT INCIDENT

   Refer to "INTERMITTENT INCIDENT ".

   Is the inspection result normal? 

   YES: Replace automatic drive positioner control unit. Refer to "REMOVAL AND INSTALLATION ".

   NO: Repair or replace the malfunctioning part.