Lexus ES manuals

Lexus ES: Motor Control Relay Stuck ON (B2345)

DESCRIPTION

This DTC will be stored if the operation of the sliding roof is suspended and a pulse input of 10 Hz or more is detected when the motor relay is off.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

B2345

Motor Control Relay Stuck ON

Position failure (When the sliding roof ECU (sliding roof drive gear assembly) enters fail-safe mode due to a problem with the gear position)

Sliding roof ECU (Sliding roof drive gear assembly)

CAUTION / NOTICE / HINT

NOTICE:

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

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  • DTC B2345 is stored in the sliding roof ECU (sliding roof drive gear assembly).

PROCEDURE

1.

CHECK FOR DTC

(a) Clear the DTCs.

Body Electrical > Sliding Roof > Clear DTCs

(b) Check for DTCs.

Body Electrical > Sliding Roof > Trouble Codes

OK:

DTC B2345 is not output.

OK

USE SIMULATION METHOD TO CHECK

NG

REPLACE SLIDING ROOF ECU (SLIDING ROOF DRIVE GEAR ASSEMBLY)

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