RM38T0EC _59 Vehicle Exterior _115107 WINDOW / GLASS _0583893 POWER WINDOW CONTROL SYSTEM(Production Date from 2023/04) C

WINDOW / GLASS POWER WINDOW CONTROL SYSTEM(Production Date from 2023/04) B2312 Power Window Switch Malfunction

DESCRIPTION

This DTC is stored when the ECU built into a multiplex network master switch assembly determine that the multiplex network master switch assembly is stuck.

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

CAUTION / NOTICE / HINT

NOTICE:: The power window control system uses the LIN communication system. Inspect the communication function by following How to Proceed with Troubleshooting. Troubleshoot the power window control system after confirming that the communication system is functioning properly.; Click hereVehicle Exterior>WINDOW / GLASS>POWER WINDOW CONTROL SYSTEM (Production Date from 2023/04)>HOW TO PROCEED WITH TROUBLESHOOTING202201,202307,_59,_115107,_0583893,RM1000000029E19,202307,999999,_59,_115107,_0583893,RM100000002BIA9,

HINT:: If DTC B2312 is not output again after the DTC has been cleared, the DTC was stored due to the switch being held in the same position continuously.

PROCEDURE

1.CLEAR DTC

Clear the DTCs.

Body Electrical > Master Switch > Clear DTCs: 50002 148

Result:

Proceed to
NEXT

2.CHECK FOR DTC

Check for DTCs.

Body Electrical > Master Switch > Trouble Codes: 50001 148

Result:

Result	Proceed to
B2312 is output	A
DTCs are not output	B

REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY

Click hereVehicle Exterior>WINDOW / GLASS>POWER WINDOW MASTER SWITCH>REMOVAL202201,999999,_59,_115107,_0510337,RM100000002091Q,

END (DTC WAS STORED DUE TO SWITCH BEING OPERATED FOR 20 SECONDS OR MORE)