Lexus ES: Motor Control Relay Stuck ON (Fr Shade) (B234A)
DESCRIPTION
This DTC will be stored if the operation of the front roof sunshade 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 |
B234A | Motor Control Relay Stuck ON (Fr Shade) | Position failure (When the roof sunshade ECU (sliding roof drive gear assembly) enters fail-safe mode due to a problem with the gear position) | Roof sunshade ECU (sliding roof drive gear assembly) |
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.
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DTC B234A is stored in the roof sunshade ECU (sliding roof drive gear assembly).
PROCEDURE
(a) Clear the DTCs.
Body Electrical > Sliding Roof > Clear DTCs
(b) Check for DTCs.
Body Electrical > Sliding Roof > Trouble Codes
OK:
DTC B234A is not output.
OK | | USE SIMULATION METHOD TO CHECK |
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