DRIVER SIDE: Diagnosis Procedure

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

1. CHECK ENCODER OPERATION 
   1. Turn ignition switch ON.
   2. Check signal between main power window and door lock/unlock switch connector and ground with oscilloscope.

      Terminals			Signal (Reference value)
      (+)		(-)
      Main power window and door lock/unlock switch connector	Terminal
      D7	9	Ground	Refer to following signal
      	13

      Fig 1: Checking Signal Between Main Power Window And Door Lock/Unlock Switch Connector And Ground

      Courtesy of NISSAN NORTH AMERICA, INC.
      Fig 2: Encoder Signal 1 And 2 Voltage Waveform (Window UP And DOWN)

      Courtesy of NISSAN NORTH AMERICA, INC.

      Is the inspection result normal? 

      YES: Check intermittent incident. Refer to "INTERMITTENT INCIDENT ".

      NO: GO TO 2

2. CHECK FRONT POWER WINDOW MOTOR LH POWER SUPPLY 
   1. Disconnect front power window motor LH.
   2. Check voltage between front power window motor LH connector and ground.

      Terminal			Voltage (V) (Approx.)
      (+)		(-)
      Front power window motor LH connector	Terminal
      D9	4	Ground	10

      Fig 3: Checking Voltage Between Front Power Window Motor LH Connector And Ground

      Courtesy of NISSAN NORTH AMERICA, INC.

      Is the measurement value within the specification? 

      YES: GO TO  4

      NO: GO TO 3

3. CHECK HARNESS CONTINUITY 1 
   1. Turn ignition switch OFF.
   2. Disconnect main power window and door lock/unlock switch.
   3. Check continuity between main power window and door lock/unlock switch connector and front power window motor LH connector.

      Main power window and door lock/unlock switch connector	Terminal	Front power window motor LH connector	Terminal	Continuity
      D7 (A)	15	D9 (B)	4	Yes

      Fig 4: Checking Continuity Between Main Power Window And Door Lock/Unlock Switch Connector And Front Power Window Motor LH Connector

      Courtesy of NISSAN NORTH AMERICA, INC.
   4. Check continuity between main power window and door lock/unlock switch connector and ground.

      Main power window and door lock/unlock switch connector	Terminal	Ground	Continuity
      D7 (A)	15		No

      Is the inspection result normal? 

      YES: Replace main power window and door lock/unlock switch. Refer to "REMOVAL AND INSTALLATION ".

      NO: Repair or replace harness.

4. CHECK GROUND CIRCUIT 
   1. Turn ignition switch OFF.
   2. Check continuity between front power window motor LH connector and ground.

      Front power window motor LH connector	Terminal	Ground	Continuity
      D9	6		Yes

      Fig 5: Checking Continuity Between Front Power Window Motor LH Connector And Ground

      Courtesy of NISSAN NORTH AMERICA, INC.

      Is the inspection result normal? 

      YES: GO TO  6

      NO: GO TO 5

5. CHECK HARNESS CONTINUITY 2 
   1. Disconnect main power window and door lock/unlock switch.
   2. Check continuity between main power window and door lock/unlock switch connector and front power window motor LH connector.

      Main power window and door lock/unlock switch connector	Terminal	Front power window motor LH connector	Terminal	Continuity
      D7	2	D9	6	Yes

      Fig 6: Checking Continuity Between Main Power Window And Door Lock/Unlock Switch Connector And Front Power Window Motor LH Connector

      Courtesy of NISSAN NORTH AMERICA, INC.

      Is the inspection result normal? 

      YES: Replace main power window and door lock/unlock switch. Refer to "REMOVAL AND INSTALLATION ".

      NO: Repair or replace harness.

6. CHECK HARNESS CONTINUITY 3 
   1. Disconnect main power window and door lock/unlock switch.
   2. Check continuity between main power window and door lock/unlock switch connector and front power window motor LH connector.

      Main power window and door lock/unlock switch connector	Terminal	Front power window motor LH connector	Terminal	Continuity
      D7 (A)	9	D9 (B)	5	Yes
      	13		3

      Fig 7: Checking Continuity Between Main Power Window And Door Lock/Unlock Switch Connector And Front Power Window Motor LH Connector

      Courtesy of NISSAN NORTH AMERICA, INC.
   3. Check continuity between main power window and door lock/unlock switch connector and ground.

      Main power window and door lock/unlock switch connector	Terminal	Ground	Continuity
      D7 (A)	9		No
      	13

      Is the inspection result normal? 

      YES: Replace front power window motor LH. Refer to "REMOVAL AND INSTALLATION ".

      NO: Repair or replace harness.