Nissan Sentra B18 (2020-2025) Service Manual / Body Exterior, Doors, Roof & Vehicle Security / Power Window Control System :: Symptom Diagnosis

Nissan Sentra B18 (2020-2025) Service Manual: Power Window Control System :: Symptom Diagnosis

Power Windows Do Not Operate with Main Power Window and Door Lock/unlock Switch. Diagnosis Procedure. Diagnosis Procedure

Diagnosis Procedure

CHECK BCM POWER SUPPLY AND GROUND CIRCUIT
1. Check BCM power supply and ground circuit.
  
  Refer to Diagnosis Procedure.
Is the inspection result normal?
YES >>
GO TO 2.
NO >>
Repair or replace the malfunctioning parts.
CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH POWER SUPPLY AND GROUND CIRCUIT
1. Check main power window and door lock/unlock switch power supply and ground circuit.
  
  Refer to Diagnosis Procedure.
Is the inspection result normal?
YES >>
GO TO 3.
NO >>
Repair or replace the malfunctioning parts.
REPLACE MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH
1. - Replace main power window and door lock/unlock switch. Refer to Removal and Installation.
  - Confirm the operation after replacement.
Is the result normal?
YES>>
Inspection End.
NO>>
Check intermittent incident. Refer to Intermittent Incident.

Driver Side Power Window Does Not Operate. Diagnosis Procedure. Diagnosis Procedure

Diagnosis Procedure

CHECK FRONT POWER WINDOW MOTOR LH
1. Check front power window motor LH.
  
  Refer to Diagnosis Procedure.
Is the inspection result normal?
YES >>
GO TO 2.
NO >>
Repair or replace the malfunctioning parts.
REPLACE MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH
1. - Replace main power window and door lock/unlock switch. Refer to Removal and Installation.
  - Confirm the operation after replacement.
Is the result normal?
YES>>
Inspection End.
NO>>
Check intermittent incident. Refer to Intermittent Incident.

Front Passenger Side Power Window Does Not Operate. When Both Main Power Window and Door Lock/unlock Switch and Power Window and Door Lock/unlock Switch Rh Are Operated

Diagnosis Procedure

Diagnosis Procedure

CHECK POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH RH
1. Check power window and door lock/unlock switch RH.
  
  Refer to Diagnosis Procedure.
Is the inspection result normal?
YES >>
GO TO 2.
NO >>
Repair or replace the malfunctioning parts.
CHECK FRONT POWER WINDOW MOTOR RH
1. Check front power window motor RH.
  
  Refer to Diagnosis Procedure.
Is the inspection result normal?
YES >>
GO TO 3.
NO >>
Repair or replace the malfunctioning parts.
REPLACE MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH
1. - Replace main power window and door lock/unlock switch. Refer to Removal and Installation.
  - Confirm the operation after replacement.
Is the result normal?
YES >>
Inspection End.
NO >>
Check intermittent incident. Refer to Intermittent Incident.

When Power Window and Door Lock/unlock Switch Rh Is Operated

Diagnosis Procedure

Diagnosis Procedure

CHECK POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH RH POWER SUPPLY AND GROUND CIRCUIT
1. Check power window and door lock/unlock switch RH power supply and ground circuit.
  
  Refer to Diagnosis Procedure.
Is the inspection result normal?
YES >>
GO TO 2.
NO >>
Repair or replace the malfunctioning parts.
CHECK POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH RH
1. Check power window and door lock/unlock switch RH.
  
  Refer to Diagnosis Procedure.
Is the inspection result normal?
YES >>
GO TO 3.
NO >>
Repair or replace the malfunctioning parts.
REPLACE POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH RH
1. - Replace power window and door lock/unlock switch RH. Refer to Removal and Installation.
  - Confirm the operation after replacement.
Is the result normal?
YES >>
Inspection End.
NO >>
Check intermittent incident. Refer to Intermittent Incident.

When Main Power Window and Door Lock/unlock Switch Is Operated

Diagnosis Procedure

Diagnosis Procedure

CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH
1. Check main power window and door lock/unlock switch.
  
  Refer to Diagnosis Procedure.
Is the inspection result normal?
YES>>
GO TO 2.
NO>>
Repair or replace the malfunctioning parts.
REPLACE MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH
1. - Replace main power window and door lock/unlock switch. Refer to Removal and Installation.
  - Confirm the operation after replacement.
Is the result normal?
YES >>
Inspection End.
NO >>
Check intermittent incident. Refer to Intermittent Incident.

Rear Lh Side Power Window Does Not Operate. When Both Main Power Window and Door Lock/unlock Switch and Rear Power Window Switch Lh Are Operated

Diagnosis Procedure

Diagnosis Procedure

CHECK REAR POWER WINDOW SWITCH LH
1. Check rear power window switch LH.
  
  Refer to Diagnosis Procedure.
Is the inspection result normal?
YES >>
GO TO 2.
NO >>
Repair or replace the malfunctioning parts.
CHECK REAR POWER WINDOW MOTOR LH
1. Check rear power window motor LH.
  
  Refer to Diagnosis Procedure.
Is the inspection result normal?
YES>>
GO TO 3.
NO>>
Repair or replace the malfunctioning parts.
REPLACE MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH
1. - Replace main power window and door lock/unlock switch. Refer to Removal and Installation.
  - Confirm the operation after replacement.
Is the result normal?
YES >>
Inspection End.
NO >>
Check intermittent incident. Refer to Intermittent Incident.

When Rear Power Window Switch Lh Is Operated

Diagnosis Procedure

Diagnosis Procedure

CHECK REAR POWER WINDOW SWITCH LH POWER SUPPLY AND GROUND CIRCUIT
1. Check rear power window switch LH power supply and ground circuit.
  
  Refer to Diagnosis Procedure.
Is the inspection result normal?
YES >>
GO TO 2.
NO >>
Repair or replace the malfunctioning parts.
CHECK REAR POWER WINDOW SWITCH LH
1. Check rear power window switch LH.
  
  Refer to Diagnosis Procedure.
Is the inspection result normal?
YES >>
GO TO 3.
NO >>
Repair or replace the malfunctioning parts.
REPLACE MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH
1. - Replace main power window and door lock/unlock switch. Refer to Removal and Installation.
  - Confirm the operation after replacement.
Is the result normal?
YES >>
Inspection End.
NO >>
Check intermittent incident. Refer to Intermittent Incident.

When Main Power Window and Door Lock/unlock Switch Is Operated

Diagnosis Procedure

Diagnosis Procedure

CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH
1. Check main power window and door lock/unlock switch.
  
  Refer to Diagnosis Procedure.
Is the inspection result normal?
YES >>
GO TO 2.
NO >>
Repair or replace the malfunctioning parts.
REPLACE MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH
1. - Replace main power window and door lock/unlock switch. Refer to Removal and Installation.
  - Confirm the operation after replacement.
Is the result normal?
YES >>
Inspection End.
NO >>
Check intermittent incident. Refer to Intermittent Incident.

Rear Rh Side Power Window Does Not Operate. When Both Main Power Window and Door Lock/unlock Switch and Rear Power Window Switch Rh Are Operated

Diagnosis Procedure

Diagnosis Procedure

CHECK REAR POWER WINDOW SWITCH RH
1. Check rear power window switch RH.
  
  Refer to Diagnosis Procedure.
Is the inspection result normal?
YES >>
GO TO 2.
NO >>
Repair or replace the malfunctioning parts.
CHECK REAR POWER WINDOW MOTOR RH
1. Check rear power window motor RH.
  
  Refer to Diagnosis Procedure.
Is the inspection result normal?
YES>>
GO TO 3.
NO>>
Repair or replace the malfunctioning parts.
REPLACE MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH
1. - Replace main power window and door lock/unlock switch. Refer to Removal and Installation.
  - Confirm the operation after replacement.
Is the result normal?
YES >>
Inspection End.
NO >>
Check intermittent incident. Refer to Intermittent Incident.

When Rear Power Window Switch Rh Is Operated

Diagnosis Procedure

Diagnosis Procedure

CHECK REAR POWER WINDOW SWITCH RH POWER SUPPLY AND GROUND CIRCUIT
1. Check rear power window switch RH power supply and ground circuit.
  
  Refer to Diagnosis Procedure.
Is the inspection result normal?
YES >>
GO TO 2.
NO >>
Repair or replace the malfunctioning parts.
CHECK REAR POWER WINDOW SWITCH RH
1. Check rear power window switch RH.
  
  Refer to Diagnosis Procedure.
Is the inspection result normal?
YES >>
GO TO 3.
NO >>
Repair or replace the malfunctioning parts.
REPLACE MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH
1. - Replace main power window and door lock/unlock switch. Refer to Removal and Installation.
  - Confirm the operation after replacement.
Is the result normal?
YES >>
Inspection End.
NO >>
Check intermittent incident. Refer to Intermittent Incident.

When Main Power Window and Door Lock/unlock Switch Is Operated

Diagnosis Procedure

Diagnosis Procedure

CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH
1. Check main power window and door lock/unlock switch.
  
  Refer to Diagnosis Procedure.
Is the inspection result normal?
YES >>
GO TO 2.
NO >>
Repair or replace the malfunctioning parts.
REPLACE MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH
1. - Replace main power window and door lock/unlock switch. Refer to Removal and Installation.
  - Confirm the operation after replacement.
Is the result normal?
YES >>
Inspection End.
NO >>
Check intermittent incident. Refer to Intermittent Incident.

Auto Operation Does Not Operate but Manual Operate Normally (front Lh). Diagnosis Procedure. Diagnosis Procedure

Diagnosis Procedure

PERFORM INITIALIZATION PROCEDURE
1. Initialization procedure is executed and operation is confirmed.
  
  Refer to Work Procedure.
Is the inspection result normal?
YES>>
Inspection End.
NO>>
GO TO 2.
CHECK ENCODER CIRCUIT
1. Check encoder circuit.
  
  Refer to DTC Diagnosis Procedure.
Is the inspection result normal?
YES>>
GO TO 3.
NO>>
Repair or replace the malfunctioning parts.
REPLACE MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH
1. - Replace main power window and door lock/unlock switch. Refer to Removal and Installation.
  - Confirm the operation after replacement.
Is the result normal?
YES>>
Inspection End.
NO>>
Check intermittent incident. Refer to Intermittent Incident.

Anti-Pinch System Does Not Operate Normally (front Lh). Diagnosis Procedure. Diagnosis Procedure

Diagnosis Procedure

CHECK POWER WINDOW AUTO OPERATION
1. Check AUTO operation when anti-pinch function does not operate.
  
  Refer to Diagnosis Procedure.
Is the inspection result normal?
YES>>
Inspection End.
NO>>
GO TO 2.
REPLACE MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH
1. - Replace main power window and door lock/unlock switch. Refer to Removal and Installation.
  - Confirm the operation after replacement.
Is the result normal?
YES>>
Inspection End.
NO>>
Check intermittent incident. Refer to Intermittent Incident.

Power Window Lock Switch Does Not Function. Diagnosis Procedure. Diagnosis Procedure

Diagnosis Procedure

REPLACE MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH
1. - Replace main power window and door lock/unlock switch. Refer to Removal and Installation.
  - Confirm the operation after replacement.
Is the result normal?
YES >>
Inspection End.
NO >>
Check intermittent incident. Refer to Intermittent Incident.

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