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DTC B2311: Power Window Motor Malfunction: Description

The power window regulator motor is operated by the multiplex network master switch assembly or power window regulator switch assembly. The power window regulator motor assembly has motor, regulator and ECU functions.

This DTC is output when the power window regulator motor assembly has a malfunction, or the ECU built into the regulator motor assembly determines that the fully closed window position has deviated approximately 20 mm (0.787 in.) or more from the normal position.

HINT: 

DTC B2311 can be stored in each power window regulator motor assembly (power window ECU).

D-DOOR MOTOR (FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH)

DTC No. DTC Detection Condition Trouble Area
B2311
  • Either condition is met:
    1. Power window regulator motor assembly malfunctions
    2. When ECU in power window regulator motor assembly determines that fully closed window position has deviated approx. 20 mm (0.787 in.) or more from normal position
  • Battery disconnected when ignition switch ON
  • Front power window regulator motor assembly LH
  • Incorrect installation of power window components
  • Overheated front power window regulator motor assembly LH
P-DOOR MOTOR (FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH)

DTC No. DTC Detection Condition Trouble Area
B2311
  • Either condition is met:
    1. Power window regulator motor assembly malfunctions
    2. When ECU in power window regulator motor assembly determines that fully closed window position has deviated approx. 20 mm (0.787 in.) or more from normal position
  • Battery disconnected when ignition switch ON
  • Front power window regulator motor assembly RH
  • Incorrect installation of power window components
  • Overheated front power window regulator motor assembly RH
RL-DOOR MOTOR (REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH)

DTC No. DTC Detection Condition Trouble Area
B2311
  • Either condition is met:
    1. Power window regulator motor assembly malfunctions
    2. When ECU in power window regulator motor assembly determines that fully closed window position has deviated approx. 20 mm (0.787 in.) or more from normal position
  • Battery disconnected when ignition switch ON
  • Rear power window regulator motor assembly LH
  • Incorrect installation of power window components
  • Overheated rear power window regulator motor assembly LH
RR-DOOR MOTOR (REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH)

DTC No. DTC Detection Condition Trouble Area
B2311
  • Either condition is met:
    1. Power window regulator motor assembly malfunctions
    2. When ECU in power window regulator motor assembly determines that fully closed window position has deviated approx. 20 mm (0.787 in.) or more from normal position
  • Battery disconnected when ignition switch ON
  • Rear power window regulator motor assembly RH
  • Incorrect installation of power window components
  • Overheated rear power window regulator motor assembly RH