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.
Click here
-
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 |
READ NEXT:
DESCRIPTION The main body ECU (multiplex network body ECU) receives remote control signals from the driver door key cylinder or wireless transmitter. Then, the main body ECU (multiplex network body EC
DESCRIPTION According to the panoramic moon roof switch (map light sub-assembly) operation, the sliding roof ECU (sliding roof drive gear assembly) or roof sunshade ECU (sliding roof drive gear assemb
DESCRIPTION The sliding roof ECU (sliding roof drive gear assembly) and roof sunshade ECU (sliding roof drive gear assembly) receive each other's position information from the main body ECU (multiplex
SEE MORE:
DTC SUMMARY MALFUNCTION DESCRIPTION The hybrid vehicle control ECU detects a stuck closed malfunction of a precharge relay on the HV battery negative side. The cause of this malfunction may be one of the following: Inverter voltage sensor (VH) internal circuit malfunction
Voltage sensor (VH) malf
DESCRIPTION The Variable Valve Timing (VVT) system (for exhaust side) adjusts the exhaust valve timing to improve driveability. The engine oil pressure turns the VVT controller (camshaft timing exhaust gear assembly) to adjust the valve timing. The cam timing oil control solenoid assembly operates a
© 2016-2025 Copyright www.lexguide.net
