Encoder Circuit Check (Driver Side)

1. CHECK POWER WINDOW MOTOR (FRONT DRIVER SIDE) POWER SUPPLY 
   1. Turn ignition switch ON.
   2. Check voltage between power window motor (front driver side) connector and ground.
   TERMINAL VOLTAGE REFERENCE
   
   

   Terminal			Voltage (V) (Approx.)
   (+)		(-)
   Power window motor (front driver side) connector	Terminal
   D12	4	Ground	10

   Fig 1: Checking Voltage Between Power Window Motor Connector And Ground

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

   OK or NG 

   OK: GO TO  3.

   NG: GO TO 2.

2. CHECK HARNESS CONTINUITY 1 
   1. Turn ignition switch OFF.
   2. Disconnect power window main switch and power window motor (front driver side).
   3. Check continuity between power window main switch connector and power window motor (front driver side) connector.
      CONNECTOR TERMINAL CONTINUITY CHART
      
      

      A		B		Continuity
      Power window main switch connector	Terminal	Power window motor (front driver side) connector	Terminal
      D10	15	D12	4	Yes

   4. Check continuity between power window main switch connector and ground.
   CONNECTOR TERMINAL CONTINUITY CHART
   
   

   A		Ground	Continuity
   Power window main switch connector	Terminal
   D10	15		No

   Fig 2: Checking Continuity Between Power Window Main Switch Connector And Ground

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

   OK or NG 

   OK: Replace power window main switch.

   NG: Repair or replace harness.

3. CHECK GROUND CIRCUIT 
   1. Turn ignition switch OFF.
   2. Disconnect power window motor (front driver side) connector.
   3. Check continuity between power window motor (front driver side) connector and ground.
   CONNECTOR TERMINAL CONTINUITY CHART
   
   

   Power window motor (front driver side) connector	Terminal	Ground	Continuity
   D12	6		Yes

   Fig 3: Checking Continuity Between Power Window Motor Connector And Ground

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

   OK or NG 

   OK: GO TO  5.

   NG: GO TO 4.

4. CHECK HARNESS CONTINUITY 2 
   1. Disconnect power window main switch connector.
   2. Check continuity between power window main switch connector and power window motor (front driver side) connector.
   CONNECTOR TERMINAL CONTINUITY CHART
   
   

   A		B		Continuity
   Power window main switch connector	Terminal	Power window motor (front driver side) connector	Terminal
   D10	2	D12	6	Yes

   Fig 4: Checking Continuity Between Power Window Main Switch And Motor Connector

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

   OK or NG 

   OK: Replace power window main switch.

   NG: Repair or replace harness.

5. CHECK ENCODER SIGNAL 
   1. Connect power window motor (front driver side) connector.
   2. Turn ignition switch ON.
   3. Check signal between power window main switch connector and ground with oscilloscope.
   TERMINAL SIGNAL CHART
   
   

   Terminals			Signal (Reference value)
   (+)		(-)
   Power window main switch connector	Terminal
   D10	9	Ground	Refer to following signal
   	13

   Fig 5: Checking Signal Between Power Window Main Switch Connector And Ground With Oscilloscope

   Courtesy of NISSAN MOTOR CO., U.S.A.
   Fig 6: Blinking Pattern Of Driver Window And Voltage

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

   OK or NG 

   OK: Replace power window main switch.

   NG: GO TO 6.

6. CHECK HARNESS CONTINUITY 3 
   1. Turn ignition switch OFF.
   2. Disconnect power window main switch and power window motor (front driver side) connector.
   3. Check continuity between power window main switch connector and power window motor (front driver side) connector.
      CONNECTOR TERMINAL CONTINUITY CHART
      
      

      A		B		Continuity
      Power window main switch connector	Terminal	Power window motor (front driver side) connector	Terminal
      D10	9	D12	3	Yes
      	13		5

   4. Check continuity between power window main switch connector and ground.

Fig 7: Checking Continuity Between Power Window Main Switch Connector And Ground

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

OK or NG 

OK: Replace power window motor (front driver side).

NG: Repair or replace harness.