Your Vehicle: 2009 Nissan-Datsun Altima V6-3.5L (VQ35DE)
 
Vehicle » Windows and Glass » Windows » Testing and Inspection » Component Tests and General Diagnostics » Power Supply And Ground Circuit » Power Window Main Switch » Diagnosis Procedure » LH & RH Front Anti-Pinch-Coupe  
 
 
  LH & RH Front Anti-Pinch-Coupe  
 

POWER SUPPLY AND GROUND CIRCUIT

POWER WINDOW MAIN SWITCH : Description

  • BCM supplies power.
  • It operates each power window motor via corresponding power window switch and makes window move up/down when main power window and door lock/unlock switch is operated.

POWER SUPPLY AND GROUND CIRCUIT

POWER WINDOW MAIN SWITCH : Diagnosis Procedure

Main Power Window And Door Lock/Unlock Switch Power Supply Circuit Check

  1. CHECK POWER SUPPLY CIRCUIT

  

  1. Turn ignition switch ON.
  2. Check voltage between main power window and door lock/unlock switch connectors and ground.

  

Is the measurement value within the specification?
YES >> GO TO 3
NO >> GO TO 2

  1. CHECK HARNESS CONTINUITY

  

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

  

  1. Check continuity between BCM connector (A) and ground.

  

Is the Inspection result normal?
YES >> GO TO 4
NO >> Repair or replace harness.

  1. CHECK GROUND CIRCUIT

  

  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 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.
After that, refer to See: Programming and Relearning\Additional Service When Replacing Control Unit\Special Repair Requirement\LH & RH Front Anti-Pinch-Coupe.
NO >> Repair or replace harness.

  1. CHECK BCM OUTPUT SIGNAL

  

  1. Connect BCM.
  2. Turn ignition switch ON.
  3. Check voltage between BCM connector and ground.

  

Is the measurement value within the specification?
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\Additional Service When Replacing Control Unit\Special Repair Requirement\LH & RH Front Anti-Pinch-Coupe.
NO >> Replace BCM. Refer to See: Body and Frame\Body Control Systems\Body Control Module\Service and Repair.