Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Glass Position Initialization Incomplete (B2313)

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 assembly has motor, regulator and ECU functions.

When the ECU built into a power window regulator motor assembly determines that the power window regulator motor assembly has not been initialized, DTC B2313 is stored.

D-Door Motor

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
B2313	Glass Position Initialization Incomplete	Power window regulator motor assembly (for driver door) not initialized Power window regulator motor assembly (for driver door) is malfunctioning Battery disconnected when engine switch on (IG)	Power window regulator motor assembly (for driver door) not initialized Power window regulator motor assembly (for driver door)

P-Door Motor

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
B2313	Glass Position Initialization Incomplete	Power window regulator motor assembly (for front passenger door) not initialized Power window regulator motor assembly (for front passenger door) is malfunctioning Battery disconnected when engine switch on (IG)	Power window regulator motor assembly (for front passenger door) not initialized Power window regulator motor assembly (for front passenger door)

RL-Door Motor

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
B2313	Glass Position Initialization Incomplete	Power window regulator motor assembly (for rear LH door) not initialized Power window regulator motor assembly (for rear LH door) is malfunctioning Battery disconnected when engine switch on (IG)	Power window regulator motor assembly (for rear LH door) not initialized Power window regulator motor assembly (for rear LH door)

RR-Door Motor

DTC No.	Detection Item	DTC Detection Condition	Trouble Area
B2313	Glass Position Initialization Incomplete	Power window regulator motor assembly (for rear RH door) not initialized Power window regulator motor assembly (for rear RH door) is malfunctioning Battery disconnected when engine switch on (IG)	Power window regulator motor assembly (for rear RH door) not initialized Power window regulator motor assembly (for rear RH door)

CAUTION / NOTICE / HINT

PROCEDURE

1.	PERFORM INITIALIZATION (APPLICABLE LOCATION)

(a) Turn the engine switch on (IG).

(b) Initialize the power window regulator motor assembly.

Click here

HINT:

Initialize the power window regulator motor assembly that has DTC B2313 stored in its ECU.

NEXT

2.	CHECK DTC OUTPUT

(a) Turn the engine switch off.

(b) Wait for at least 10 seconds, and then turn the engine switch on (IG).

(c) Check for DTCs.

Click here

Body Electrical > D-Door Motor > Trouble Codes Body Electrical > P-Door Motor > Trouble Codes Body Electrical > RL-Door Motor > Trouble Codes Body Electrical > RR-Door Motor > Trouble Codes

HINT:

Check for DTCs for the power window regulator motor assembly that had DTC B2313 stored in its ECU.

OK:

DTC B2313 is not output.

Result	Proceed to
OK	A
NG (Driver door power window)	B
NG (Front passenger door power window)
NG (Rear LH door power window)	C
NG (Rear RH door power window)

A

END (POWER WINDOW CONTROL SYSTEM HAS NOT BEEN INITIALIZED)

B

REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (FOR DRIVER DOOR OR FRONT PASSENGER DOOR)

C

REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (FOR REAR LH DOOR OR REAR RH DOOR)