DTC B2312: Power Window Switch Malfunction [10/2014 - ]: Description

The power window regulator motor assemblies are operated by the multiplex network master switch assembly, power window regulator switch assembly or rear power window regulator switch assemblies. The power window regulator motor assemblies have motor, regulator and ECU functions.

This DTC is output when an ECU built into a power window regulator motor assembly and multiplex network master switch assembly determines that the multiplex network master switch assembly, power window regulator switch assembly or rear power window regulator switch assembly is stuck.

MASTER SWITCH

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
B2312	Power Window Switch Malfunction	Multiplex network master switch assembly stuck Multiplex network master switch assembly held in same position for more than 20 seconds Multiplex network master switch assembly operated for 20 seconds or more	Multiplex network master switch assembly

D-DOOR MOTOR

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
B2312	Power Window Switch Malfunction	Multiplex network master switch assembly stuck Multiplex network master switch assembly held in same position for more than 20 seconds	Multiplex network master switch assembly Front power window regulator motor assembly LH Harness or connector

P-DOOR MOTOR

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
B2312	Power Window Switch Malfunction	Power window regulator switch assembly stuck Power window regulator switch assembly held in same position for more than 20 seconds	Power window regulator switch assembly Front power window regulator motor assembly RH Harness or connector

RL-DOOR MOTOR

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
B2312	Power Window Switch Malfunction	Rear power window regulator switch assembly (for rear LH door) stuck Rear power window regulator switch assembly (for rear LH door) held in same position for more than 20 seconds	Rear power window regulator switch assembly (for rear LH door) Rear power window regulator motor assembly LH Harness or connector

RR-DOOR MOTOR

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
B2312	Power Window Switch Malfunction	Rear power window regulator switch assembly (for rear RH door) stuck Rear power window regulator switch assembly (for rear RH door) held in same position for more than 20 seconds	Rear power window regulator switch assembly (for rear RH door) Rear power window regulator motor assembly RH Harness or connector