Lexus NX: Glass Position Initialization Incomplete (B2313)

Lexus NX Service Manual / Vehicle Exterior / Window / Glass / Power Window Control System / 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 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

  • Front power window regulator motor assembly LH not initialized
  • Front power window regulator motor assembly LH is malfunctioning
  • Auxiliary battery disconnected when power switch on (IG)
  • Front power window regulator motor assembly LH not initialized
  • Front power window regulator motor assembly LH
P-Door Motor

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

B2313

Glass Position Initialization Incomplete

  • Front power window regulator motor assembly RH not initialized
  • Front power window regulator motor assembly RH is malfunctioning
  • Auxiliary battery disconnected when power switch on (IG)
  • Front power window regulator motor assembly RH not initialized
  • Front power window regulator motor assembly RH
RL-Door Motor

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

B2313

Glass Position Initialization Incomplete

  • Rear power window regulator motor assembly LH not initialized
  • Rear power window regulator motor assembly LH is malfunctioning
  • Auxiliary battery disconnected when power switch on (IG)
  • Rear power window regulator motor assembly LH not initialized
  • Rear power window regulator motor assembly LH
RR-Door Motor

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

B2313

Glass Position Initialization Incomplete

  • Rear power window regulator motor assembly RH not initialized
  • Rear power window regulator motor assembly RH is malfunctioning
  • Auxiliary battery disconnected when power switch on (IG)
  • Rear power window regulator motor assembly RH not initialized
  • Rear power window regulator motor assembly RH

CAUTION / NOTICE / HINT

NOTICE:

  • DTC B2313 is stored in each power window regulator motor assembly.
  • If the auxiliary battery is disconnected while the power switch is on (IG), DTC B2313 is stored.
  • If a power window regulator motor assembly has been replaced with a new one, initialize the power window control system.

    Click here

  • 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 here

PROCEDURE

1.

PERFORM INITIALIZATION (APPLICABLE LOCATION)

(a) Turn the power 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 FOR DTC

(a) 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 has DTC B2313 stored in its ECU.

OK:

DTC B2313 is not output.

Result

Proceed to

OK

A

NG (D-Door Motor)

B

NG (P-Door Motor)

C

NG (RL-Door Motor)

D

NG (RR-Door Motor)

E

A

END (POWER WINDOW CONTROL SYSTEM HAS NOT BEEN INITIALIZED)

B

REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH

C

REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH

D

REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH

E

REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH

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