Lexus ES manuals

Lexus ES: Position Initialization Incomplete (Fr Shade) (B2348)

Lexus ES (XZ10) Service Manual / Vehicle Exterior / Sliding Roof / Convertible / Panoramic Moon Roof System / Position Initialization Incomplete (Fr Shade) (B2348)

DESCRIPTION

This DTC is stored when the roof sunshade ECU (sliding roof drive gear assembly) has not been initialized.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

B2348

Position Initialization Incomplete (Fr Shade)

Roof sunshade ECU (sliding roof drive gear assembly) has not been initialized.

  • Roof sunshade ECU (Sliding roof drive gear assembly)
  • Panoramic moon roof switch (Map light sub-assembly)
  • Wire harness or connector

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

  • When the roof sunshade ECU (sliding roof drive gear assembly) is removed and reinstalled or replaced, the roof sunshade ECU (sliding roof drive gear assembly) must be initialized.

    Click here

  • The panoramic moon roof system uses the CAN and LIN communication system. First, confirm that there are no malfunctions in the CAN and LIN communication system. Refer to How to Proceed with Troubleshooting.

    Click here

HINT:

When DTC B2342 and B2348 are output simultaneously, perform troubleshooting for DTC B2342 first.

PROCEDURE

1.

INITIALIZE ROOF SUNSHADE ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY)

(a) Check that the roof sunshade ECU (sliding roof drive gear assembly) can be initialized.

Click here

OK:

Roof sunshade ECU (sliding roof drive gear assembly) can be initialized.

NG

REPLACE ROOF SUNSHADE ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY)

OK

2.

CHECK ROOF SUNSHADE OPERATION

(a) Check the roof sunshade auto operation function.

Click here

OK:

Auto operation function operates normally.

NG

REPLACE ROOF SUNSHADE ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY)

OK

3.

CHECK DTC OUTPUT

(a) Clear the DTCs.

Body Electrical > Sliding Roof > Clear DTCs

(b) Check for DTCs.

Body Electrical > Sliding Roof > Trouble Codes

OK:

DTC B2343 is not output.

OK

END (MALFUNCTION DUE TO INITIALIZATION FAILURE)

NG

REPLACE ROOF SUNSHADE ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY)

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