DTC B2312: Power Window Switch Malfunction [09/2014 - ]: Description

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

This DTC is stored when the ECU built into a power window regulator motor assembly and multiplex network master switch assembly determine that the multiplex network master switch assembly or 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 Power window regulator motor assembly (for driver door) Wire 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 Power window regulator motor assembly (for front passenger door) Wire harness or connector