Your Vehicle: 2009 Nissan-Datsun Altima V6-3.5L (VQ35DE)
 
Vehicle » Windows and Glass » Windows » Testing and Inspection » Component Tests and General Diagnostics » Encoder » Driver Side » Diagnosis Procedure » LH & RH Front Anti-Pinch-Coupe  
 
 
  LH & RH Front Anti-Pinch-Coupe  
 

ENCODER

DRIVER SIDE : Description

Detects condition of the power window motor LH operation and transmits to main power window and door lock/unlock switch as pulse signal.

ENCODER

DRIVER SIDE : Diagnosis Procedure

Encoder Circuit Check

  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.

  

  

Is the Inspection result normal?
YES >> Check intermittent incident. Refer to See: Testing and Inspection\Initial Inspection and Diagnostic Overview\Service Information For Electrical Incident\Intermittent Incident.
NO >> GO TO 2

  1. CHECK POWER WINDOW MOTOR LH POWER SUPPLY

  

  1. Turn ignition switch ON.
  2. Check voltage between power window motor LH connector and ground.

  

Is the measurement value within the specification?
YES >> GO TO 4
NO >> GO TO 3

  1. CHECK HARNESS CONTINUITY 1

  

  1. Turn ignition switch OFF.
  2. Disconnect main power window and door lock/unlock switch and power window motor LH.
  3. Check continuity between main power window and door lock/unlock switch connector (A) and power window motor LH connector (B).

  

  1. Check continuity between main power window and door lock/unlock switch connector (A) and ground.

  

Is the Inspection result normal?
YES >> Replace main power window and door lock/unlock switch. Refer to See: Power Window Switch\Service and Repair\LH & RH Front Anti-Pinch-Coupe, See: Programming and Relearning\Power Supply And Ground Circuit\Power Window Main Switch\LH & RH Front Anti-Pinch-Coupe.
NO >> Repair or replace harness.

  1. CHECK GROUND CIRCUIT

  

  1. Turn ignition switch OFF.
  2. Disconnect power window motor LH.
  3. Check continuity between power window motor LH connector and ground.

  

Is the Inspection result normal?
YES >> GO TO 6
NO >> GO TO 5

  1. 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 (A) and power window motor LH connector (B).

  

Is the Inspection result normal?
YES >> Replace main power window and door lock/unlock switch. Refer to See: Power Window Switch\Service and Repair\LH & RH Front Anti-Pinch-Coupe. After that, refer to See: Programming and Relearning\Power Supply And Ground Circuit\Power Window Main Switch\LH & RH Front Anti-Pinch-Coupe.

NO >> Repair or replace harness.

  1. 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 (A) and power window motor LH connector (B).

  

  1. Check continuity between main power window and door lock/unlock switch connector (A) and ground.

  

Is the Inspection result normal?
YES >> Replace power window motor LH. Refer to See: Front Door Window Regulator\Service and Repair\Removal and Replacement. After that, refer to See: Programming and Relearning\Power Window Motor\Driver Side\LH & RH Front Anti-Pinch-Coupe.
NO >> Repair or replace harness.